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authorOlof Johansson <olof@lixom.net>2013-11-15 15:17:59 -0800
committerOlof Johansson <olof@lixom.net>2013-11-15 15:17:59 -0800
commit6886059f2ef5d62c73e87a905e84fa4f87d56074 (patch)
treedfe6e1611d7c50057df52db7b55eafbfb8e33a93 /arch/arm
parentca439c9b983ffa14e9eae6030e3ee80ad039388f (diff)
parent26273e02a0cf18eb72416559310d3294390a9024 (diff)
downloadlinux-linaro-stable-6886059f2ef5d62c73e87a905e84fa4f87d56074.tar.gz
Merge tag 'omap-for-v3.13/fixes-for-merge-window-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Few clock fixes, a runtime PM fix, and pinctrl-single fix along with few other fixes that popped up during the merge window. * tag 'omap-for-v3.13/fixes-for-merge-window-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: Fix build for dra7xx without omap4 and 5 ARM: OMAP2+: omap_device: maintain sane runtime pm status around suspend/resume doc: devicetree: Add bindings documentation for omap-des driver ARM: dts: doc: Document missing compatible property for omap-sham driver ARM: OMAP3: Beagle: fix return value check in beagle_opp_init() ARM: OMAP: devicetree: fix SPI node compatible property syntax items pinctrl: single: call pcs_soc->rearm() whenever IRQ mask is changed ARM: OMAP2+: smsc911x: fix return value check in gpmc_smsc911x_init() + sync with newer trunk
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/Kconfig8
-rw-r--r--arch/arm/boot/dts/atlas6.dtsi12
-rw-r--r--arch/arm/boot/dts/prima2.dtsi42
-rw-r--r--arch/arm/boot/dts/testcases/tests-interrupts.dtsi58
-rw-r--r--arch/arm/boot/dts/testcases/tests.dtsi1
-rw-r--r--arch/arm/boot/dts/versatile-ab.dts2
-rw-r--r--arch/arm/boot/dts/versatile-pb.dts2
-rw-r--r--arch/arm/boot/dts/zynq-7000.dtsi8
-rw-r--r--arch/arm/include/asm/Kbuild1
-rw-r--r--arch/arm/include/asm/arch_timer.h36
-rw-r--r--arch/arm/include/asm/hardware/iop3xx-gpio.h75
-rw-r--r--arch/arm/include/asm/hardware/iop3xx.h12
-rw-r--r--arch/arm/include/asm/prom.h2
-rw-r--r--arch/arm/include/uapi/asm/hwcap.h1
-rw-r--r--arch/arm/kernel/arch_timer.c14
-rw-r--r--arch/arm/kernel/devtree.c57
-rw-r--r--arch/arm/kernel/setup.c1
-rw-r--r--arch/arm/mach-bcm2835/bcm2835.c5
-rw-r--r--arch/arm/mach-gemini/gpio.c2
-rw-r--r--arch/arm/mach-gemini/include/mach/gpio.h20
-rw-r--r--arch/arm/mach-integrator/pci_v3.c18
-rw-r--r--arch/arm/mach-iop32x/em7210.c2
-rw-r--r--arch/arm/mach-iop32x/glantank.c2
-rw-r--r--arch/arm/mach-iop32x/gpio-iop32x.h10
-rw-r--r--arch/arm/mach-iop32x/include/mach/gpio.h6
-rw-r--r--arch/arm/mach-iop32x/include/mach/iop32x.h1
-rw-r--r--arch/arm/mach-iop32x/iq31244.c2
-rw-r--r--arch/arm/mach-iop32x/iq80321.c2
-rw-r--r--arch/arm/mach-iop32x/n2100.c47
-rw-r--r--arch/arm/mach-iop33x/include/mach/gpio.h6
-rw-r--r--arch/arm/mach-iop33x/include/mach/iop33x.h1
-rw-r--r--arch/arm/mach-iop33x/iq80331.c7
-rw-r--r--arch/arm/mach-iop33x/iq80332.c7
-rw-r--r--arch/arm/mach-ixp4xx/common.c49
-rw-r--r--arch/arm/mach-ixp4xx/dsmg600-setup.c65
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/platform.h39
-rw-r--r--arch/arm/mach-ixp4xx/ixdp425-setup.c8
-rw-r--r--arch/arm/mach-ixp4xx/nas100d-setup.c49
-rw-r--r--arch/arm/mach-ixp4xx/nslu2-setup.c17
-rw-r--r--arch/arm/mach-keystone/platsmp.c1
-rw-r--r--arch/arm/mach-mmp/include/mach/gpio.h8
-rw-r--r--arch/arm/mach-msm/timer.c1
-rw-r--r--arch/arm/mach-omap2/Makefile2
-rw-r--r--arch/arm/mach-omap2/board-omap3beagle.c2
-rw-r--r--arch/arm/mach-omap2/board-rx51-peripherals.c20
-rw-r--r--arch/arm/mach-omap2/cclock3xxx_data.c58
-rw-r--r--arch/arm/mach-omap2/cclock44xx_data.c3
-rw-r--r--arch/arm/mach-omap2/gpmc-smsc911x.c2
-rw-r--r--arch/arm/mach-omap2/omap_device.c13
-rw-r--r--arch/arm/mach-omap2/prm44xx_54xx.h3
-rw-r--r--arch/arm/mach-pxa/include/mach/gpio.h32
-rw-r--r--arch/arm/mach-s3c64xx/mach-crag6410.c12
-rw-r--r--arch/arm/mach-u300/timer.c9
-rw-r--r--arch/arm/mach-w90x900/include/mach/gpio.h30
-rw-r--r--arch/arm/mach-zynq/Kconfig1
-rw-r--r--arch/arm/mm/init.c13
-rw-r--r--arch/arm/plat-iop/Makefile2
-rw-r--r--arch/arm/plat-iop/gpio.c93
58 files changed, 456 insertions, 546 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 04163fece49f..acb80708accd 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -54,6 +54,7 @@ config ARM
select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_UID16
+ select HAVE_VIRT_CPU_ACCOUNTING_GEN
select IRQ_FORCED_THREADING
select KTIME_SCALAR
select MODULES_USE_ELF_REL
@@ -388,7 +389,6 @@ config ARCH_GEMINI
select CLKSRC_MMIO
select CPU_FA526
select GENERIC_CLOCKEVENTS
- select NEED_MACH_GPIO_H
help
Support for the Cortina Systems Gemini family SoCs
@@ -457,7 +457,7 @@ config ARCH_IOP32X
depends on MMU
select ARCH_REQUIRE_GPIOLIB
select CPU_XSCALE
- select NEED_MACH_GPIO_H
+ select GPIO_IOP
select NEED_RET_TO_USER
select PCI
select PLAT_IOP
@@ -470,7 +470,7 @@ config ARCH_IOP33X
depends on MMU
select ARCH_REQUIRE_GPIOLIB
select CPU_XSCALE
- select NEED_MACH_GPIO_H
+ select GPIO_IOP
select NEED_RET_TO_USER
select PCI
select PLAT_IOP
@@ -559,7 +559,6 @@ config ARCH_MMP
select GPIO_PXA
select IRQ_DOMAIN
select MULTI_IRQ_HANDLER
- select NEED_MACH_GPIO_H
select PINCTRL
select PLAT_PXA
select SPARSE_IRQ
@@ -622,7 +621,6 @@ config ARCH_PXA
select GPIO_PXA
select HAVE_IDE
select MULTI_IRQ_HANDLER
- select NEED_MACH_GPIO_H
select PLAT_PXA
select SPARSE_IRQ
help
diff --git a/arch/arm/boot/dts/atlas6.dtsi b/arch/arm/boot/dts/atlas6.dtsi
index a49032c6e199..978bab4991df 100644
--- a/arch/arm/boot/dts/atlas6.dtsi
+++ b/arch/arm/boot/dts/atlas6.dtsi
@@ -558,6 +558,18 @@
sirf,function = "usb1_utmi_drvbus";
};
};
+ usb1_dp_dn_pins_a: usb1_dp_dn@0 {
+ usb1_dp_dn {
+ sirf,pins = "usb1_dp_dngrp";
+ sirf,function = "usb1_dp_dn";
+ };
+ };
+ uart1_route_io_usb1_pins_a: uart1_route_io_usb1@0 {
+ uart1_route_io_usb1 {
+ sirf,pins = "uart1_route_io_usb1grp";
+ sirf,function = "uart1_route_io_usb1";
+ };
+ };
warm_rst_pins_a: warm_rst@0 {
warm_rst {
sirf,pins = "warm_rstgrp";
diff --git a/arch/arm/boot/dts/prima2.dtsi b/arch/arm/boot/dts/prima2.dtsi
index 7cf78afee7b1..daee58944e15 100644
--- a/arch/arm/boot/dts/prima2.dtsi
+++ b/arch/arm/boot/dts/prima2.dtsi
@@ -388,6 +388,12 @@
sirf,function = "uart0";
};
};
+ uart0_noflow_pins_a: uart0@1 {
+ uart {
+ sirf,pins = "uart0_nostreamctrlgrp";
+ sirf,function = "uart0_nostreamctrl";
+ };
+ };
uart1_pins_a: uart1@0 {
uart {
sirf,pins = "uart1grp";
@@ -526,18 +532,42 @@
sirf,function = "usp0";
};
};
+ usp0_uart_nostreamctrl_pins_a: usp0@1 {
+ usp0 {
+ sirf,pins =
+ "usp0_uart_nostreamctrl_grp";
+ sirf,function =
+ "usp0_uart_nostreamctrl";
+ };
+ };
usp1_pins_a: usp1@0 {
usp1 {
sirf,pins = "usp1grp";
sirf,function = "usp1";
};
};
+ usp1_uart_nostreamctrl_pins_a: usp1@1 {
+ usp1 {
+ sirf,pins =
+ "usp1_uart_nostreamctrl_grp";
+ sirf,function =
+ "usp1_uart_nostreamctrl";
+ };
+ };
usp2_pins_a: usp2@0 {
usp2 {
sirf,pins = "usp2grp";
sirf,function = "usp2";
};
};
+ usp2_uart_nostreamctrl_pins_a: usp2@1 {
+ usp2 {
+ sirf,pins =
+ "usp2_uart_nostreamctrl_grp";
+ sirf,function =
+ "usp2_uart_nostreamctrl";
+ };
+ };
usb0_utmi_drvbus_pins_a: usb0_utmi_drvbus@0 {
usb0_utmi_drvbus {
sirf,pins = "usb0_utmi_drvbusgrp";
@@ -550,6 +580,18 @@
sirf,function = "usb1_utmi_drvbus";
};
};
+ usb1_dp_dn_pins_a: usb1_dp_dn@0 {
+ usb1_dp_dn {
+ sirf,pins = "usb1_dp_dngrp";
+ sirf,function = "usb1_dp_dn";
+ };
+ };
+ uart1_route_io_usb1_pins_a: uart1_route_io_usb1@0 {
+ uart1_route_io_usb1 {
+ sirf,pins = "uart1_route_io_usb1grp";
+ sirf,function = "uart1_route_io_usb1";
+ };
+ };
warm_rst_pins_a: warm_rst@0 {
warm_rst {
sirf,pins = "warm_rstgrp";
diff --git a/arch/arm/boot/dts/testcases/tests-interrupts.dtsi b/arch/arm/boot/dts/testcases/tests-interrupts.dtsi
new file mode 100644
index 000000000000..c843720bd3e5
--- /dev/null
+++ b/arch/arm/boot/dts/testcases/tests-interrupts.dtsi
@@ -0,0 +1,58 @@
+
+/ {
+ testcase-data {
+ interrupts {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ test_intc0: intc0 {
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
+
+ test_intc1: intc1 {
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ };
+
+ test_intc2: intc2 {
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ test_intmap0: intmap0 {
+ #interrupt-cells = <1>;
+ #address-cells = <0>;
+ interrupt-map = <1 &test_intc0 9>,
+ <2 &test_intc1 10 11 12>,
+ <3 &test_intc2 13 14>,
+ <4 &test_intc2 15 16>;
+ };
+
+ test_intmap1: intmap1 {
+ #interrupt-cells = <2>;
+ interrupt-map = <0x5000 1 2 &test_intc0 15>;
+ };
+
+ interrupts0 {
+ interrupt-parent = <&test_intc0>;
+ interrupts = <1>, <2>, <3>, <4>;
+ };
+
+ interrupts1 {
+ interrupt-parent = <&test_intmap0>;
+ interrupts = <1>, <2>, <3>, <4>;
+ };
+
+ interrupts-extended0 {
+ reg = <0x5000 0x100>;
+ interrupts-extended = <&test_intc0 1>,
+ <&test_intc1 2 3 4>,
+ <&test_intc2 5 6>,
+ <&test_intmap0 1>,
+ <&test_intmap0 2>,
+ <&test_intmap0 3>,
+ <&test_intmap1 1 2>;
+ };
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/testcases/tests.dtsi b/arch/arm/boot/dts/testcases/tests.dtsi
index a7c5067622e8..3f123ecc9dd7 100644
--- a/arch/arm/boot/dts/testcases/tests.dtsi
+++ b/arch/arm/boot/dts/testcases/tests.dtsi
@@ -1 +1,2 @@
/include/ "tests-phandle.dtsi"
+/include/ "tests-interrupts.dtsi"
diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts
index dde75ae8b4b1..e01e5a081def 100644
--- a/arch/arm/boot/dts/versatile-ab.dts
+++ b/arch/arm/boot/dts/versatile-ab.dts
@@ -185,7 +185,7 @@
mmc@5000 {
compatible = "arm,primecell";
reg = < 0x5000 0x1000>;
- interrupts = <22 34>;
+ interrupts-extended = <&vic 22 &sic 2>;
};
kmi@6000 {
compatible = "arm,pl050", "arm,primecell";
diff --git a/arch/arm/boot/dts/versatile-pb.dts b/arch/arm/boot/dts/versatile-pb.dts
index 7e8175269064..f43907c40c93 100644
--- a/arch/arm/boot/dts/versatile-pb.dts
+++ b/arch/arm/boot/dts/versatile-pb.dts
@@ -41,7 +41,7 @@
mmc@b000 {
compatible = "arm,primecell";
reg = <0xb000 0x1000>;
- interrupts = <23 34>;
+ interrupts-extended = <&vic 23 &sic 2>;
};
};
};
diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
index e32b92b949d2..e7f73b2e4550 100644
--- a/arch/arm/boot/dts/zynq-7000.dtsi
+++ b/arch/arm/boot/dts/zynq-7000.dtsi
@@ -92,6 +92,14 @@
};
};
+ global_timer: timer@f8f00200 {
+ compatible = "arm,cortex-a9-global-timer";
+ reg = <0xf8f00200 0x20>;
+ interrupts = <1 11 0x301>;
+ interrupt-parent = <&intc>;
+ clocks = <&clkc 4>;
+ };
+
ttc0: ttc0@f8001000 {
interrupt-parent = <&intc>;
interrupts = < 0 10 4 0 11 4 0 12 4 >;
diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild
index 59ceae8f3c95..1a7024b41351 100644
--- a/arch/arm/include/asm/Kbuild
+++ b/arch/arm/include/asm/Kbuild
@@ -32,3 +32,4 @@ generic-y += termios.h
generic-y += timex.h
generic-y += trace_clock.h
generic-y += unaligned.h
+generic-y += preempt.h
diff --git a/arch/arm/include/asm/arch_timer.h b/arch/arm/include/asm/arch_timer.h
index 5665134bfa3e..0704e0cf5571 100644
--- a/arch/arm/include/asm/arch_timer.h
+++ b/arch/arm/include/asm/arch_timer.h
@@ -87,17 +87,43 @@ static inline u64 arch_counter_get_cntvct(void)
return cval;
}
-static inline void arch_counter_set_user_access(void)
+static inline u32 arch_timer_get_cntkctl(void)
{
u32 cntkctl;
-
asm volatile("mrc p15, 0, %0, c14, c1, 0" : "=r" (cntkctl));
+ return cntkctl;
+}
- /* disable user access to everything */
- cntkctl &= ~((3 << 8) | (7 << 0));
-
+static inline void arch_timer_set_cntkctl(u32 cntkctl)
+{
asm volatile("mcr p15, 0, %0, c14, c1, 0" : : "r" (cntkctl));
}
+
+static inline void arch_counter_set_user_access(void)
+{
+ u32 cntkctl = arch_timer_get_cntkctl();
+
+ /* Disable user access to both physical/virtual counters/timers */
+ /* Also disable virtual event stream */
+ cntkctl &= ~(ARCH_TIMER_USR_PT_ACCESS_EN
+ | ARCH_TIMER_USR_VT_ACCESS_EN
+ | ARCH_TIMER_VIRT_EVT_EN
+ | ARCH_TIMER_USR_VCT_ACCESS_EN
+ | ARCH_TIMER_USR_PCT_ACCESS_EN);
+ arch_timer_set_cntkctl(cntkctl);
+}
+
+static inline void arch_timer_evtstrm_enable(int divider)
+{
+ u32 cntkctl = arch_timer_get_cntkctl();
+ cntkctl &= ~ARCH_TIMER_EVT_TRIGGER_MASK;
+ /* Set the divider and enable virtual event stream */
+ cntkctl |= (divider << ARCH_TIMER_EVT_TRIGGER_SHIFT)
+ | ARCH_TIMER_VIRT_EVT_EN;
+ arch_timer_set_cntkctl(cntkctl);
+ elf_hwcap |= HWCAP_EVTSTRM;
+}
+
#endif
#endif
diff --git a/arch/arm/include/asm/hardware/iop3xx-gpio.h b/arch/arm/include/asm/hardware/iop3xx-gpio.h
deleted file mode 100644
index 9eda7dc92ad8..000000000000
--- a/arch/arm/include/asm/hardware/iop3xx-gpio.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * arch/arm/include/asm/hardware/iop3xx-gpio.h
- *
- * IOP3xx GPIO wrappers
- *
- * Copyright (c) 2008 Arnaud Patard <arnaud.patard@rtp-net.org>
- * Based on IXP4XX gpio.h file
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#ifndef __ASM_ARM_HARDWARE_IOP3XX_GPIO_H
-#define __ASM_ARM_HARDWARE_IOP3XX_GPIO_H
-
-#include <mach/hardware.h>
-#include <asm-generic/gpio.h>
-
-#define __ARM_GPIOLIB_COMPLEX
-
-#define IOP3XX_N_GPIOS 8
-
-static inline int gpio_get_value(unsigned gpio)
-{
- if (gpio > IOP3XX_N_GPIOS)
- return __gpio_get_value(gpio);
-
- return gpio_line_get(gpio);
-}
-
-static inline void gpio_set_value(unsigned gpio, int value)
-{
- if (gpio > IOP3XX_N_GPIOS) {
- __gpio_set_value(gpio, value);
- return;
- }
- gpio_line_set(gpio, value);
-}
-
-static inline int gpio_cansleep(unsigned gpio)
-{
- if (gpio < IOP3XX_N_GPIOS)
- return 0;
- else
- return __gpio_cansleep(gpio);
-}
-
-/*
- * The GPIOs are not generating any interrupt
- * Note : manuals are not clear about this
- */
-static inline int gpio_to_irq(int gpio)
-{
- return -EINVAL;
-}
-
-static inline int irq_to_gpio(int gpio)
-{
- return -EINVAL;
-}
-
-#endif
-
diff --git a/arch/arm/include/asm/hardware/iop3xx.h b/arch/arm/include/asm/hardware/iop3xx.h
index 423744bf18eb..2594a95ff19a 100644
--- a/arch/arm/include/asm/hardware/iop3xx.h
+++ b/arch/arm/include/asm/hardware/iop3xx.h
@@ -18,16 +18,9 @@
/*
* IOP3XX GPIO handling
*/
-#define GPIO_IN 0
-#define GPIO_OUT 1
-#define GPIO_LOW 0
-#define GPIO_HIGH 1
#define IOP3XX_GPIO_LINE(x) (x)
#ifndef __ASSEMBLY__
-extern void gpio_line_config(int line, int direction);
-extern int gpio_line_get(int line);
-extern void gpio_line_set(int line, int value);
extern int init_atu;
extern int iop3xx_get_init_atu(void);
#endif
@@ -168,11 +161,6 @@ extern int iop3xx_get_init_atu(void);
/* PERCR0 DOESN'T EXIST - index from 1! */
#define IOP3XX_PERCR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0710)
-/* General Purpose I/O */
-#define IOP3XX_GPOE (volatile u32 *)IOP3XX_GPIO_REG(0x0000)
-#define IOP3XX_GPID (volatile u32 *)IOP3XX_GPIO_REG(0x0004)
-#define IOP3XX_GPOD (volatile u32 *)IOP3XX_GPIO_REG(0x0008)
-
/* Timers */
#define IOP3XX_TU_TMR0 (volatile u32 *)IOP3XX_TIMER_REG(0x0000)
#define IOP3XX_TU_TMR1 (volatile u32 *)IOP3XX_TIMER_REG(0x0004)
diff --git a/arch/arm/include/asm/prom.h b/arch/arm/include/asm/prom.h
index 4a2985e21969..b681575ad3de 100644
--- a/arch/arm/include/asm/prom.h
+++ b/arch/arm/include/asm/prom.h
@@ -11,8 +11,6 @@
#ifndef __ASMARM_PROM_H
#define __ASMARM_PROM_H
-#define HAVE_ARCH_DEVTREE_FIXUPS
-
#ifdef CONFIG_OF
extern const struct machine_desc *setup_machine_fdt(unsigned int dt_phys);
diff --git a/arch/arm/include/uapi/asm/hwcap.h b/arch/arm/include/uapi/asm/hwcap.h
index 6d34d080372a..7dcc10d67253 100644
--- a/arch/arm/include/uapi/asm/hwcap.h
+++ b/arch/arm/include/uapi/asm/hwcap.h
@@ -26,5 +26,6 @@
#define HWCAP_VFPD32 (1 << 19) /* set if VFP has 32 regs (not 16) */
#define HWCAP_IDIV (HWCAP_IDIVA | HWCAP_IDIVT)
#define HWCAP_LPAE (1 << 20)
+#define HWCAP_EVTSTRM (1 << 21)
#endif /* _UAPI__ASMARM_HWCAP_H */
diff --git a/arch/arm/kernel/arch_timer.c b/arch/arm/kernel/arch_timer.c
index 221f07b11ccb..1791f12c180b 100644
--- a/arch/arm/kernel/arch_timer.c
+++ b/arch/arm/kernel/arch_timer.c
@@ -11,7 +11,6 @@
#include <linux/init.h>
#include <linux/types.h>
#include <linux/errno.h>
-#include <linux/sched_clock.h>
#include <asm/delay.h>
@@ -22,13 +21,6 @@ static unsigned long arch_timer_read_counter_long(void)
return arch_timer_read_counter();
}
-static u32 sched_clock_mult __read_mostly;
-
-static unsigned long long notrace arch_timer_sched_clock(void)
-{
- return arch_timer_read_counter() * sched_clock_mult;
-}
-
static struct delay_timer arch_delay_timer;
static void __init arch_timer_delay_timer_register(void)
@@ -48,11 +40,5 @@ int __init arch_timer_arch_init(void)
arch_timer_delay_timer_register();
- /* Cache the sched_clock multiplier to save a divide in the hot path. */
- sched_clock_mult = NSEC_PER_SEC / arch_timer_rate;
- sched_clock_func = arch_timer_sched_clock;
- pr_info("sched_clock: ARM arch timer >56 bits at %ukHz, resolution %uns\n",
- arch_timer_rate / 1000, sched_clock_mult);
-
return 0;
}
diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c
index f35906b3d8c9..739c3dfc1da2 100644
--- a/arch/arm/kernel/devtree.c
+++ b/arch/arm/kernel/devtree.c
@@ -174,6 +174,19 @@ bool arch_match_cpu_phys_id(int cpu, u64 phys_id)
return (phys_id & MPIDR_HWID_BITMASK) == cpu_logical_map(cpu);
}
+static const void * __init arch_get_next_mach(const char *const **match)
+{
+ static const struct machine_desc *mdesc = __arch_info_begin;
+ const struct machine_desc *m = mdesc;
+
+ if (m >= __arch_info_end)
+ return NULL;
+
+ mdesc++;
+ *match = m->dt_compat;
+ return m;
+}
+
/**
* setup_machine_fdt - Machine setup when an dtb was passed to the kernel
* @dt_phys: physical address of dt blob
@@ -183,11 +196,7 @@ bool arch_match_cpu_phys_id(int cpu, u64 phys_id)
*/
const struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys)
{
- struct boot_param_header *devtree;
const struct machine_desc *mdesc, *mdesc_best = NULL;
- unsigned int score, mdesc_score = ~1;
- unsigned long dt_root;
- const char *model;
#ifdef CONFIG_ARCH_MULTIPLATFORM
DT_MACHINE_START(GENERIC_DT, "Generic DT based system")
@@ -196,32 +205,20 @@ const struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys)
mdesc_best = &__mach_desc_GENERIC_DT;
#endif
- if (!dt_phys)
+ if (!dt_phys || !early_init_dt_scan(phys_to_virt(dt_phys)))
return NULL;
- devtree = phys_to_virt(dt_phys);
+ mdesc = of_flat_dt_match_machine(mdesc_best, arch_get_next_mach);
- /* check device tree validity */
- if (be32_to_cpu(devtree->magic) != OF_DT_HEADER)
- return NULL;
-
- /* Search the mdescs for the 'best' compatible value match */
- initial_boot_params = devtree;
- dt_root = of_get_flat_dt_root();
- for_each_machine_desc(mdesc) {
- score = of_flat_dt_match(dt_root, mdesc->dt_compat);
- if (score > 0 && score < mdesc_score) {
- mdesc_best = mdesc;
- mdesc_score = score;
- }
- }
- if (!mdesc_best) {
+ if (!mdesc) {
const char *prop;
long size;
+ unsigned long dt_root;
early_print("\nError: unrecognized/unsupported "
"device tree compatible list:\n[ ");
+ dt_root = of_get_flat_dt_root();
prop = of_get_flat_dt_prop(dt_root, "compatible", &size);
while (size > 0) {
early_print("'%s' ", prop);
@@ -233,22 +230,8 @@ const struct machine_desc * __init setup_machine_fdt(unsigned int dt_phys)
dump_machine_table(); /* does not return */
}
- model = of_get_flat_dt_prop(dt_root, "model", NULL);
- if (!model)
- model = of_get_flat_dt_prop(dt_root, "compatible", NULL);
- if (!model)
- model = "<unknown>";
- pr_info("Machine: %s, model: %s\n", mdesc_best->name, model);
-
- /* Retrieve various information from the /chosen node */
- of_scan_flat_dt(early_init_dt_scan_chosen, boot_command_line);
- /* Initialize {size,address}-cells info */
- of_scan_flat_dt(early_init_dt_scan_root, NULL);
- /* Setup memory, calling early_init_dt_add_memory_arch */
- of_scan_flat_dt(early_init_dt_scan_memory, NULL);
-
/* Change machine number to match the mdesc we're using */
- __machine_arch_type = mdesc_best->nr;
+ __machine_arch_type = mdesc->nr;
- return mdesc_best;
+ return mdesc;
}
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 0e1e2b3afa45..5d65438685d8 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -975,6 +975,7 @@ static const char *hwcap_str[] = {
"idivt",
"vfpd32",
"lpae",
+ "evtstrm",
NULL
};
diff --git a/arch/arm/mach-bcm2835/bcm2835.c b/arch/arm/mach-bcm2835/bcm2835.c
index d50135be0c20..70f2f3925f0e 100644
--- a/arch/arm/mach-bcm2835/bcm2835.c
+++ b/arch/arm/mach-bcm2835/bcm2835.c
@@ -14,7 +14,7 @@
#include <linux/delay.h>
#include <linux/init.h>
-#include <linux/irqchip/bcm2835.h>
+#include <linux/irqchip.h>
#include <linux/of_address.h>
#include <linux/of_platform.h>
#include <linux/clk/bcm2835.h>
@@ -130,8 +130,7 @@ static const char * const bcm2835_compat[] = {
DT_MACHINE_START(BCM2835, "BCM2835")
.map_io = bcm2835_map_io,
- .init_irq = bcm2835_init_irq,
- .handle_irq = bcm2835_handle_irq,
+ .init_irq = irqchip_init,
.init_machine = bcm2835_init,
.restart = bcm2835_restart,
.dt_compat = bcm2835_compat
diff --git a/arch/arm/mach-gemini/gpio.c b/arch/arm/mach-gemini/gpio.c
index 70bfa571b24b..f8cb5710d6ee 100644
--- a/arch/arm/mach-gemini/gpio.c
+++ b/arch/arm/mach-gemini/gpio.c
@@ -21,9 +21,9 @@
#include <mach/hardware.h>
#include <mach/irqs.h>
-#include <mach/gpio.h>
#define GPIO_BASE(x) IO_ADDRESS(GEMINI_GPIO_BASE(x))
+#define irq_to_gpio(x) ((x) - GPIO_IRQ_BASE)
/* GPIO registers definition */
#define GPIO_DATA_OUT 0x0
diff --git a/arch/arm/mach-gemini/include/mach/gpio.h b/arch/arm/mach-gemini/include/mach/gpio.h
deleted file mode 100644
index 40a0527bada7..000000000000
--- a/arch/arm/mach-gemini/include/mach/gpio.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Gemini gpiolib specific defines
- *
- * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#ifndef __MACH_GPIO_H__
-#define __MACH_GPIO_H__
-
-#include <mach/irqs.h>
-
-#define gpio_to_irq(x) ((x) + GPIO_IRQ_BASE)
-#define irq_to_gpio(x) ((x) - GPIO_IRQ_BASE)
-
-#endif /* __MACH_GPIO_H__ */
diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index c9c5a33bc802..c5e01b24d9fb 100644
--- a/arch/arm/mach-integrator/pci_v3.c
+++ b/arch/arm/mach-integrator/pci_v3.c
@@ -808,22 +808,6 @@ static u8 __init pci_v3_swizzle(struct pci_dev *dev, u8 *pinp)
return pci_common_swizzle(dev, pinp);
}
-static int __init pci_v3_map_irq_dt(const struct pci_dev *dev, u8 slot, u8 pin)
-{
- struct of_irq oirq;
- int ret;
-
- ret = of_irq_map_pci(dev, &oirq);
- if (ret) {
- dev_err(&dev->dev, "of_irq_map_pci() %d\n", ret);
- /* Proper return code 0 == NO_IRQ */
- return 0;
- }
-
- return irq_create_of_mapping(oirq.controller, oirq.specifier,
- oirq.size);
-}
-
static struct hw_pci pci_v3 __initdata = {
.swizzle = pci_v3_swizzle,
.setup = pci_v3_setup,
@@ -914,7 +898,7 @@ static int __init pci_v3_probe(struct platform_device *pdev)
return -EINVAL;
}
- pci_v3.map_irq = pci_v3_map_irq_dt;
+ pci_v3.map_irq = of_irq_parse_and_map_pci;
pci_common_init_dev(&pdev->dev, &pci_v3);
return 0;
diff --git a/arch/arm/mach-iop32x/em7210.c b/arch/arm/mach-iop32x/em7210.c
index 31fbb6c61b25..177cd073a83b 100644
--- a/arch/arm/mach-iop32x/em7210.c
+++ b/arch/arm/mach-iop32x/em7210.c
@@ -32,6 +32,7 @@
#include <asm/mach/time.h>
#include <asm/mach-types.h>
#include <mach/time.h>
+#include "gpio-iop32x.h"
static void __init em7210_timer_init(void)
{
@@ -183,6 +184,7 @@ void em7210_power_off(void)
static void __init em7210_init_machine(void)
{
+ register_iop32x_gpio();
platform_device_register(&em7210_serial_device);
platform_device_register(&iop3xx_i2c0_device);
platform_device_register(&iop3xx_i2c1_device);
diff --git a/arch/arm/mach-iop32x/glantank.c b/arch/arm/mach-iop32x/glantank.c
index ac304705fe68..547b2342d61a 100644
--- a/arch/arm/mach-iop32x/glantank.c
+++ b/arch/arm/mach-iop32x/glantank.c
@@ -34,6 +34,7 @@
#include <asm/mach-types.h>
#include <asm/page.h>
#include <mach/time.h>
+#include "gpio-iop32x.h"
/*
* GLAN Tank timer tick configuration.
@@ -187,6 +188,7 @@ static void glantank_power_off(void)
static void __init glantank_init_machine(void)
{
+ register_iop32x_gpio();
platform_device_register(&iop3xx_i2c0_device);
platform_device_register(&iop3xx_i2c1_device);
platform_device_register(&glantank_flash_device);
diff --git a/arch/arm/mach-iop32x/gpio-iop32x.h b/arch/arm/mach-iop32x/gpio-iop32x.h
new file mode 100644
index 000000000000..3c7309c02029
--- /dev/null
+++ b/arch/arm/mach-iop32x/gpio-iop32x.h
@@ -0,0 +1,10 @@
+static struct resource iop32x_gpio_res[] = {
+ DEFINE_RES_MEM((IOP3XX_PERIPHERAL_PHYS_BASE + 0x07c4), 0x10),
+};
+
+static inline void register_iop32x_gpio(void)
+{
+ platform_device_register_simple("gpio-iop", 0,
+ iop32x_gpio_res,
+ ARRAY_SIZE(iop32x_gpio_res));
+}
diff --git a/arch/arm/mach-iop32x/include/mach/gpio.h b/arch/arm/mach-iop32x/include/mach/gpio.h
deleted file mode 100644
index 708f4ec9db1d..000000000000
--- a/arch/arm/mach-iop32x/include/mach/gpio.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_ARCH_IOP32X_GPIO_H
-#define __ASM_ARCH_IOP32X_GPIO_H
-
-#include <asm/hardware/iop3xx-gpio.h>
-
-#endif
diff --git a/arch/arm/mach-iop32x/include/mach/iop32x.h b/arch/arm/mach-iop32x/include/mach/iop32x.h
index 941f363aca56..56ec864ec313 100644
--- a/arch/arm/mach-iop32x/include/mach/iop32x.h
+++ b/arch/arm/mach-iop32x/include/mach/iop32x.h
@@ -19,7 +19,6 @@
* Peripherals that are shared between the iop32x and iop33x but
* located at different addresses.
*/
-#define IOP3XX_GPIO_REG(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + 0x07c4 + (reg))
#define IOP3XX_TIMER_REG(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + 0x07e0 + (reg))
#include <asm/hardware/iop3xx.h>
diff --git a/arch/arm/mach-iop32x/iq31244.c b/arch/arm/mach-iop32x/iq31244.c
index f2cd2966212d..0e1392b20d18 100644
--- a/arch/arm/mach-iop32x/iq31244.c
+++ b/arch/arm/mach-iop32x/iq31244.c
@@ -37,6 +37,7 @@
#include <asm/page.h>
#include <asm/pgtable.h>
#include <mach/time.h>
+#include "gpio-iop32x.h"
/*
* Until March of 2007 iq31244 platforms and ep80219 platforms shared the
@@ -283,6 +284,7 @@ void ep80219_power_off(void)
static void __init iq31244_init_machine(void)
{
+ register_iop32x_gpio();
platform_device_register(&iop3xx_i2c0_device);
platform_device_register(&iop3xx_i2c1_device);
platform_device_register(&iq31244_flash_device);
diff --git a/arch/arm/mach-iop32x/iq80321.c b/arch/arm/mach-iop32x/iq80321.c
index 015435de90dd..66782ff1f46a 100644
--- a/arch/arm/mach-iop32x/iq80321.c
+++ b/arch/arm/mach-iop32x/iq80321.c
@@ -33,6 +33,7 @@
#include <asm/page.h>
#include <asm/pgtable.h>
#include <mach/time.h>
+#include "gpio-iop32x.h"
/*
* IQ80321 timer tick configuration.
@@ -170,6 +171,7 @@ static struct platform_device iq80321_serial_device = {
static void __init iq80321_init_machine(void)
{
+ register_iop32x_gpio();
platform_device_register(&iop3xx_i2c0_device);
platform_device_register(&iop3xx_i2c1_device);
platform_device_register(&iq80321_flash_device);
diff --git a/arch/arm/mach-iop32x/n2100.c b/arch/arm/mach-iop32x/n2100.c
index 069144300b77..c1cd80ecc219 100644
--- a/arch/arm/mach-iop32x/n2100.c
+++ b/arch/arm/mach-iop32x/n2100.c
@@ -30,6 +30,7 @@
#include <linux/platform_device.h>
#include <linux/reboot.h>
#include <linux/io.h>
+#include <linux/gpio.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
@@ -40,6 +41,7 @@
#include <asm/page.h>
#include <asm/pgtable.h>
#include <mach/time.h>
+#include "gpio-iop32x.h"
/*
* N2100 timer tick configuration.
@@ -288,8 +290,14 @@ static void n2100_power_off(void)
static void n2100_restart(enum reboot_mode mode, const char *cmd)
{
- gpio_line_set(N2100_HARDWARE_RESET, GPIO_LOW);
- gpio_line_config(N2100_HARDWARE_RESET, GPIO_OUT);
+ int ret;
+
+ ret = gpio_direction_output(N2100_HARDWARE_RESET, 0);
+ if (ret) {
+ pr_crit("could not drive reset GPIO low\n");
+ return;
+ }
+ /* Wait for reset to happen */
while (1)
;
}
@@ -299,7 +307,7 @@ static struct timer_list power_button_poll_timer;
static void power_button_poll(unsigned long dummy)
{
- if (gpio_line_get(N2100_POWER_BUTTON) == 0) {
+ if (gpio_get_value(N2100_POWER_BUTTON) == 0) {
ctrl_alt_del();
return;
}
@@ -308,9 +316,37 @@ static void power_button_poll(unsigned long dummy)
add_timer(&power_button_poll_timer);
}
+static int __init n2100_request_gpios(void)
+{
+ int ret;
+
+ if (!machine_is_n2100())
+ return 0;
+
+ ret = gpio_request(N2100_HARDWARE_RESET, "reset");
+ if (ret)
+ pr_err("could not request reset GPIO\n");
+
+ ret = gpio_request(N2100_POWER_BUTTON, "power");
+ if (ret)
+ pr_err("could not request power GPIO\n");
+ else {
+ ret = gpio_direction_input(N2100_POWER_BUTTON);
+ if (ret)
+ pr_err("could not set power GPIO as input\n");
+ }
+ /* Set up power button poll timer */
+ init_timer(&power_button_poll_timer);
+ power_button_poll_timer.function = power_button_poll;
+ power_button_poll_timer.expires = jiffies + (HZ / 10);
+ add_timer(&power_button_poll_timer);
+ return 0;
+}
+device_initcall(n2100_request_gpios);
static void __init n2100_init_machine(void)
{
+ register_iop32x_gpio();
platform_device_register(&iop3xx_i2c0_device);
platform_device_register(&n2100_flash_device);
platform_device_register(&n2100_serial_device);
@@ -321,11 +357,6 @@ static void __init n2100_init_machine(void)
ARRAY_SIZE(n2100_i2c_devices));
pm_power_off = n2100_power_off;
-
- init_timer(&power_button_poll_timer);
- power_button_poll_timer.function = power_button_poll;
- power_button_poll_timer.expires = jiffies + (HZ / 10);
- add_timer(&power_button_poll_timer);
}
MACHINE_START(N2100, "Thecus N2100")
diff --git a/arch/arm/mach-iop33x/include/mach/gpio.h b/arch/arm/mach-iop33x/include/mach/gpio.h
deleted file mode 100644
index ddd55bba9bb9..000000000000
--- a/arch/arm/mach-iop33x/include/mach/gpio.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_ARCH_IOP33X_GPIO_H
-#define __ASM_ARCH_IOP33X_GPIO_H
-
-#include <asm/hardware/iop3xx-gpio.h>
-
-#endif
diff --git a/arch/arm/mach-iop33x/include/mach/iop33x.h b/arch/arm/mach-iop33x/include/mach/iop33x.h
index a89c0a234bff..c95122653094 100644
--- a/arch/arm/mach-iop33x/include/mach/iop33x.h
+++ b/arch/arm/mach-iop33x/include/mach/iop33x.h
@@ -18,7 +18,6 @@
* Peripherals that are shared between the iop32x and iop33x but
* located at different addresses.
*/
-#define IOP3XX_GPIO_REG(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + 0x1780 + (reg))
#define IOP3XX_TIMER_REG(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + 0x07d0 + (reg))
#include <asm/hardware/iop3xx.h>
diff --git a/arch/arm/mach-iop33x/iq80331.c b/arch/arm/mach-iop33x/iq80331.c
index c43304a10fa7..e2cb65cfbe23 100644
--- a/arch/arm/mach-iop33x/iq80331.c
+++ b/arch/arm/mach-iop33x/iq80331.c
@@ -122,8 +122,15 @@ static struct platform_device iq80331_flash_device = {
.resource = &iq80331_flash_resource,
};
+static struct resource iq80331_gpio_res[] = {
+ DEFINE_RES_MEM((IOP3XX_PERIPHERAL_PHYS_BASE + 0x1780), 0x10),
+};
+
static void __init iq80331_init_machine(void)
{
+ platform_device_register_simple("gpio-iop", 0,
+ iq80331_gpio_res,
+ ARRAY_SIZE(iq80331_gpio_res));
platform_device_register(&iop3xx_i2c0_device);
platform_device_register(&iop3xx_i2c1_device);
platform_device_register(&iop33x_uart0_device);
diff --git a/arch/arm/mach-iop33x/iq80332.c b/arch/arm/mach-iop33x/iq80332.c
index 8192987e78e5..0b6269d94f89 100644
--- a/arch/arm/mach-iop33x/iq80332.c
+++ b/arch/arm/mach-iop33x/iq80332.c
@@ -122,8 +122,15 @@ static struct platform_device iq80332_flash_device = {
.resource = &iq80332_flash_resource,
};
+static struct resource iq80332_gpio_res[] = {
+ DEFINE_RES_MEM((IOP3XX_PERIPHERAL_PHYS_BASE + 0x1780), 0x10),
+};
+
static void __init iq80332_init_machine(void)
{
+ platform_device_register_simple("gpio-iop", 0,
+ iq80332_gpio_res,
+ ARRAY_SIZE(iq80332_gpio_res));
platform_device_register(&iop3xx_i2c0_device);
platform_device_register(&iop3xx_i2c1_device);
platform_device_register(&iop33x_uart0_device);
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index 5327decde5a0..9edaf4734fa8 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -81,6 +81,44 @@ void __init ixp4xx_map_io(void)
iotable_init(ixp4xx_io_desc, ARRAY_SIZE(ixp4xx_io_desc));
}
+/*
+ * GPIO-functions
+ */
+/*
+ * The following converted to the real HW bits the gpio_line_config
+ */
+/* GPIO pin types */
+#define IXP4XX_GPIO_OUT 0x1
+#define IXP4XX_GPIO_IN 0x2
+
+/* GPIO signal types */
+#define IXP4XX_GPIO_LOW 0
+#define IXP4XX_GPIO_HIGH 1
+
+/* GPIO Clocks */
+#define IXP4XX_GPIO_CLK_0 14
+#define IXP4XX_GPIO_CLK_1 15
+
+static void gpio_line_config(u8 line, u32 direction)
+{
+ if (direction == IXP4XX_GPIO_IN)
+ *IXP4XX_GPIO_GPOER |= (1 << line);
+ else
+ *IXP4XX_GPIO_GPOER &= ~(1 << line);
+}
+
+static void gpio_line_get(u8 line, int *value)
+{
+ *value = (*IXP4XX_GPIO_GPINR >> line) & 0x1;
+}
+
+static void gpio_line_set(u8 line, int value)
+{
+ if (value == IXP4XX_GPIO_HIGH)
+ *IXP4XX_GPIO_GPOUTR |= (1 << line);
+ else if (value == IXP4XX_GPIO_LOW)
+ *IXP4XX_GPIO_GPOUTR &= ~(1 << line);
+}
/*************************************************************************
* IXP4xx chipset IRQ handling
@@ -117,17 +155,6 @@ static int ixp4xx_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
return -EINVAL;
}
-int irq_to_gpio(unsigned int irq)
-{
- int gpio = (irq < 32) ? irq2gpio[irq] : -EINVAL;
-
- if (gpio == -1)
- return -EINVAL;
-
- return gpio;
-}
-EXPORT_SYMBOL(irq_to_gpio);
-
static int ixp4xx_set_irq_type(struct irq_data *d, unsigned int type)
{
int line = irq2gpio[d->irq];
diff --git a/arch/arm/mach-ixp4xx/dsmg600-setup.c b/arch/arm/mach-ixp4xx/dsmg600-setup.c
index 63de1b3fd06b..736dc692d540 100644
--- a/arch/arm/mach-ixp4xx/dsmg600-setup.c
+++ b/arch/arm/mach-ixp4xx/dsmg600-setup.c
@@ -26,6 +26,7 @@
#include <linux/reboot.h>
#include <linux/i2c.h>
#include <linux/i2c-gpio.h>
+#include <linux/gpio.h>
#include <mach/hardware.h>
@@ -161,11 +162,8 @@ static struct platform_device *dsmg600_devices[] __initdata = {
static void dsmg600_power_off(void)
{
- /* enable the pwr cntl gpio */
- gpio_line_config(DSMG600_PO_GPIO, IXP4XX_GPIO_OUT);
-
- /* poweroff */
- gpio_line_set(DSMG600_PO_GPIO, IXP4XX_GPIO_HIGH);
+ /* enable the pwr cntl and drive it high */
+ gpio_direction_output(DSMG600_PO_GPIO, 1);
}
/* This is used to make sure the power-button pusher is serious. The button
@@ -202,7 +200,7 @@ static void dsmg600_power_handler(unsigned long data)
ctrl_alt_del();
/* Change the state of the power LED to "blink" */
- gpio_line_set(DSMG600_LED_PWR_GPIO, IXP4XX_GPIO_LOW);
+ gpio_set_value(DSMG600_LED_PWR_GPIO, 0);
} else {
power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
}
@@ -228,6 +226,40 @@ static void __init dsmg600_timer_init(void)
ixp4xx_timer_init();
}
+static int __init dsmg600_gpio_init(void)
+{
+ if (!machine_is_dsmg600())
+ return 0;
+
+ gpio_request(DSMG600_RB_GPIO, "reset button");
+ if (request_irq(gpio_to_irq(DSMG600_RB_GPIO), &dsmg600_reset_handler,
+ IRQF_DISABLED | IRQF_TRIGGER_LOW,
+ "DSM-G600 reset button", NULL) < 0) {
+
+ printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
+ gpio_to_irq(DSMG600_RB_GPIO));
+ }
+
+ /*
+ * The power button on the D-Link DSM-G600 is on GPIO 15, but
+ * it cannot handle interrupts on that GPIO line. So we'll
+ * have to poll it with a kernel timer.
+ */
+
+ /* Make sure that the power button GPIO is set up as an input */
+ gpio_request(DSMG600_PB_GPIO, "power button");
+ gpio_direction_input(DSMG600_PB_GPIO);
+ /* Request poweroff GPIO line */
+ gpio_request(DSMG600_PO_GPIO, "power off button");
+
+ /* Set the initial value for the power button IRQ handler */
+ power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
+
+ mod_timer(&dsmg600_power_timer, jiffies + msecs_to_jiffies(500));
+ return 0;
+}
+device_initcall(dsmg600_gpio_init);
+
static void __init dsmg600_init(void)
{
ixp4xx_sys_init();
@@ -251,27 +283,6 @@ static void __init dsmg600_init(void)
platform_add_devices(dsmg600_devices, ARRAY_SIZE(dsmg600_devices));
pm_power_off = dsmg600_power_off;
-
- if (request_irq(gpio_to_irq(DSMG600_RB_GPIO), &dsmg600_reset_handler,
- IRQF_DISABLED | IRQF_TRIGGER_LOW,
- "DSM-G600 reset button", NULL) < 0) {
-
- printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
- gpio_to_irq(DSMG600_RB_GPIO));
- }
-
- /* The power button on the D-Link DSM-G600 is on GPIO 15, but
- * it cannot handle interrupts on that GPIO line. So we'll
- * have to poll it with a kernel timer.
- */
-
- /* Make sure that the power button GPIO is set up as an input */
- gpio_line_config(DSMG600_PB_GPIO, IXP4XX_GPIO_IN);
-
- /* Set the initial value for the power button IRQ handler */
- power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
-
- mod_timer(&dsmg600_power_timer, jiffies + msecs_to_jiffies(500));
}
MACHINE_START(DSMG600, "D-Link DSM-G600 RevA")
diff --git a/arch/arm/mach-ixp4xx/include/mach/platform.h b/arch/arm/mach-ixp4xx/include/mach/platform.h
index 4c4c6a6f4526..75c4c6572ad0 100644
--- a/arch/arm/mach-ixp4xx/include/mach/platform.h
+++ b/arch/arm/mach-ixp4xx/include/mach/platform.h
@@ -131,44 +131,5 @@ struct pci_sys_data;
extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
extern struct pci_ops ixp4xx_ops;
-/*
- * GPIO-functions
- */
-/*
- * The following converted to the real HW bits the gpio_line_config
- */
-/* GPIO pin types */
-#define IXP4XX_GPIO_OUT 0x1
-#define IXP4XX_GPIO_IN 0x2
-
-/* GPIO signal types */
-#define IXP4XX_GPIO_LOW 0
-#define IXP4XX_GPIO_HIGH 1
-
-/* GPIO Clocks */
-#define IXP4XX_GPIO_CLK_0 14
-#define IXP4XX_GPIO_CLK_1 15
-
-static inline void gpio_line_config(u8 line, u32 direction)
-{
- if (direction == IXP4XX_GPIO_IN)
- *IXP4XX_GPIO_GPOER |= (1 << line);
- else
- *IXP4XX_GPIO_GPOER &= ~(1 << line);
-}
-
-static inline void gpio_line_get(u8 line, int *value)
-{
- *value = (*IXP4XX_GPIO_GPINR >> line) & 0x1;
-}
-
-static inline void gpio_line_set(u8 line, int value)
-{
- if (value == IXP4XX_GPIO_HIGH)
- *IXP4XX_GPIO_GPOUTR |= (1 << line);
- else if (value == IXP4XX_GPIO_LOW)
- *IXP4XX_GPIO_GPOUTR &= ~(1 << line);
-}
-
#endif // __ASSEMBLY__
diff --git a/arch/arm/mach-ixp4xx/ixdp425-setup.c b/arch/arm/mach-ixp4xx/ixdp425-setup.c
index 22d688b7d513..e7b8befa8729 100644
--- a/arch/arm/mach-ixp4xx/ixdp425-setup.c
+++ b/arch/arm/mach-ixp4xx/ixdp425-setup.c
@@ -20,6 +20,7 @@
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/delay.h>
+#include <linux/gpio.h>
#include <asm/types.h>
#include <asm/setup.h>
#include <asm/memory.h>
@@ -80,10 +81,10 @@ ixdp425_flash_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
if (ctrl & NAND_CTRL_CHANGE) {
if (ctrl & NAND_NCE) {
- gpio_line_set(IXDP425_NAND_NCE_PIN, IXP4XX_GPIO_LOW);
+ gpio_set_value(IXDP425_NAND_NCE_PIN, 0);
udelay(5);
} else
- gpio_line_set(IXDP425_NAND_NCE_PIN, IXP4XX_GPIO_HIGH);
+ gpio_set_value(IXDP425_NAND_NCE_PIN, 1);
offset = (ctrl & NAND_CLE) ? IXDP425_NAND_CMD_BYTE : 0;
offset |= (ctrl & NAND_ALE) ? IXDP425_NAND_ADDR_BYTE : 0;
@@ -227,7 +228,8 @@ static void __init ixdp425_init(void)
ixdp425_flash_nand_resource.start = IXP4XX_EXP_BUS_BASE(3),
ixdp425_flash_nand_resource.end = IXP4XX_EXP_BUS_BASE(3) + 0x10 - 1;
- gpio_line_config(IXDP425_NAND_NCE_PIN, IXP4XX_GPIO_OUT);
+ gpio_request(IXDP425_NAND_NCE_PIN, "NAND NCE pin");
+ gpio_direction_output(IXDP425_NAND_NCE_PIN, 0);
/* Configure expansion bus for NAND Flash */
*IXP4XX_EXP_CS3 = IXP4XX_EXP_BUS_CS_EN |
diff --git a/arch/arm/mach-ixp4xx/nas100d-setup.c b/arch/arm/mach-ixp4xx/nas100d-setup.c
index ed667ce9f576..507cb5233537 100644
--- a/arch/arm/mach-ixp4xx/nas100d-setup.c
+++ b/arch/arm/mach-ixp4xx/nas100d-setup.c
@@ -184,11 +184,8 @@ static void nas100d_power_off(void)
{
/* This causes the box to drop the power and go dead. */
- /* enable the pwr cntl gpio */
- gpio_line_config(NAS100D_PO_GPIO, IXP4XX_GPIO_OUT);
-
- /* do the deed */
- gpio_line_set(NAS100D_PO_GPIO, IXP4XX_GPIO_HIGH);
+ /* enable the pwr cntl gpio and assert power off */
+ gpio_direction_output(NAS100D_PO_GPIO, 1);
}
/* This is used to make sure the power-button pusher is serious. The button
@@ -225,7 +222,7 @@ static void nas100d_power_handler(unsigned long data)
ctrl_alt_del();
/* Change the state of the power LED to "blink" */
- gpio_line_set(NAS100D_LED_PWR_GPIO, IXP4XX_GPIO_LOW);
+ gpio_set_value(NAS100D_LED_PWR_GPIO, 0);
} else {
power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
}
@@ -242,6 +239,33 @@ static irqreturn_t nas100d_reset_handler(int irq, void *dev_id)
return IRQ_HANDLED;
}
+static int __init nas100d_gpio_init(void)
+{
+ if (!machine_is_nas100d())
+ return 0;
+
+ /*
+ * The power button on the Iomega NAS100d is on GPIO 14, but
+ * it cannot handle interrupts on that GPIO line. So we'll
+ * have to poll it with a kernel timer.
+ */
+
+ /* Request the power off GPIO */
+ gpio_request(NAS100D_PO_GPIO, "power off");
+
+ /* Make sure that the power button GPIO is set up as an input */
+ gpio_request(NAS100D_PB_GPIO, "power button");
+ gpio_direction_input(NAS100D_PB_GPIO);
+
+ /* Set the initial value for the power button IRQ handler */
+ power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
+
+ mod_timer(&nas100d_power_timer, jiffies + msecs_to_jiffies(500));
+
+ return 0;
+}
+device_initcall(nas100d_gpio_init);
+
static void __init nas100d_init(void)
{
uint8_t __iomem *f;
@@ -278,19 +302,6 @@ static void __init nas100d_init(void)
gpio_to_irq(NAS100D_RB_GPIO));
}
- /* The power button on the Iomega NAS100d is on GPIO 14, but
- * it cannot handle interrupts on that GPIO line. So we'll
- * have to poll it with a kernel timer.
- */
-
- /* Make sure that the power button GPIO is set up as an input */
- gpio_line_config(NAS100D_PB_GPIO, IXP4XX_GPIO_IN);
-
- /* Set the initial value for the power button IRQ handler */
- power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
-
- mod_timer(&nas100d_power_timer, jiffies + msecs_to_jiffies(500));
-
/*
* Map in a portion of the flash and read the MAC address.
* Since it is stored in BE in the flash itself, we need to
diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c
index 7e55236c26ea..ba5f1cda2a9d 100644
--- a/arch/arm/mach-ixp4xx/nslu2-setup.c
+++ b/arch/arm/mach-ixp4xx/nslu2-setup.c
@@ -197,11 +197,8 @@ static void nslu2_power_off(void)
{
/* This causes the box to drop the power and go dead. */
- /* enable the pwr cntl gpio */
- gpio_line_config(NSLU2_PO_GPIO, IXP4XX_GPIO_OUT);
-
- /* do the deed */
- gpio_line_set(NSLU2_PO_GPIO, IXP4XX_GPIO_HIGH);
+ /* enable the pwr cntl gpio and assert power off */
+ gpio_direction_output(NSLU2_PO_GPIO, 1);
}
static irqreturn_t nslu2_power_handler(int irq, void *dev_id)
@@ -223,6 +220,16 @@ static irqreturn_t nslu2_reset_handler(int irq, void *dev_id)
return IRQ_HANDLED;
}
+static int __init nslu2_gpio_init(void)
+{
+ if (!machine_is_nslu2())
+ return 0;
+
+ /* Request the power off GPIO */
+ return gpio_request(NSLU2_PO_GPIO, "power off");
+}
+device_initcall(nslu2_gpio_init);
+
static void __init nslu2_timer_init(void)
{
/* The xtal on this machine is non-standard. */
diff --git a/arch/arm/mach-keystone/platsmp.c b/arch/arm/mach-keystone/platsmp.c
index c12296157d4a..5cf0683577ea 100644
--- a/arch/arm/mach-keystone/platsmp.c
+++ b/arch/arm/mach-keystone/platsmp.c
@@ -17,7 +17,6 @@
#include <linux/io.h>
#include <asm/smp_plat.h>
-#include <asm/prom.h>
#include "keystone.h"
diff --git a/arch/arm/mach-mmp/include/mach/gpio.h b/arch/arm/mach-mmp/include/mach/gpio.h
deleted file mode 100644
index 13219ebf5128..000000000000
--- a/arch/arm/mach-mmp/include/mach/gpio.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef __ASM_MACH_GPIO_H
-#define __ASM_MACH_GPIO_H
-
-#include <asm-generic/gpio.h>
-
-#include <mach/cputype.h>
-
-#endif /* __ASM_MACH_GPIO_H */
diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c
index 696fb73296d0..1e9c3383daba 100644
--- a/arch/arm/mach-msm/timer.c
+++ b/arch/arm/mach-msm/timer.c
@@ -274,7 +274,6 @@ static void __init msm_dt_timer_init(struct device_node *np)
pr_err("Unknown frequency\n");
return;
}
- of_node_put(np);
event_base = base + 0x4;
sts_base = base + 0x88;
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index e15ac005ef17..1f25f3e99c05 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -40,7 +40,7 @@ omap-4-5-common = omap4-common.o omap-wakeupgen.o
obj-$(CONFIG_ARCH_OMAP4) += $(omap-4-5-common) $(smp-y) sleep44xx.o
obj-$(CONFIG_SOC_OMAP5) += $(omap-4-5-common) $(smp-y) sleep44xx.o
obj-$(CONFIG_SOC_AM43XX) += $(omap-4-5-common)
-obj-$(CONFIG_SOC_DRA7XX) += $(omap-4-5-common) $(smp-y)
+obj-$(CONFIG_SOC_DRA7XX) += $(omap-4-5-common) $(smp-y) sleep44xx.o
plus_sec := $(call as-instr,.arch_extension sec,+sec)
AFLAGS_omap-headsmp.o :=-Wa,-march=armv7-a$(plus_sec)
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 8b9cd0690ce7..09f6149b59a9 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -510,7 +510,7 @@ static int __init beagle_opp_init(void)
mpu_dev = get_cpu_device(0);
iva_dev = omap_device_get_by_hwmod_name("iva");
- if (IS_ERR(mpu_dev) || IS_ERR(iva_dev)) {
+ if (!mpu_dev || IS_ERR(iva_dev)) {
pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
__func__, mpu_dev, iva_dev);
return -ENODEV;
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 5c0d0e120420..f093af17f5e6 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -213,29 +213,11 @@ static struct lp55xx_led_config rx51_lp5523_led_config[] = {
}
};
-static int rx51_lp5523_setup(void)
-{
- return gpio_request_one(RX51_LP5523_CHIP_EN_GPIO, GPIOF_DIR_OUT,
- "lp5523_enable");
-}
-
-static void rx51_lp5523_release(void)
-{
- gpio_free(RX51_LP5523_CHIP_EN_GPIO);
-}
-
-static void rx51_lp5523_enable(bool state)
-{
- gpio_set_value(RX51_LP5523_CHIP_EN_GPIO, !!state);
-}
-
static struct lp55xx_platform_data rx51_lp5523_platform_data = {
.led_config = rx51_lp5523_led_config,
.num_channels = ARRAY_SIZE(rx51_lp5523_led_config),
.clock_mode = LP55XX_CLOCK_AUTO,
- .setup_resources = rx51_lp5523_setup,
- .release_resources = rx51_lp5523_release,
- .enable = rx51_lp5523_enable,
+ .enable_gpio = RX51_LP5523_CHIP_EN_GPIO,
};
#endif
diff --git a/arch/arm/mach-omap2/cclock3xxx_data.c b/arch/arm/mach-omap2/cclock3xxx_data.c
index 03a2829beb8e..3b05aea56d1f 100644
--- a/arch/arm/mach-omap2/cclock3xxx_data.c
+++ b/arch/arm/mach-omap2/cclock3xxx_data.c
@@ -381,6 +381,42 @@ static struct clk_hw_omap dpll4_ck_hw = {
DEFINE_STRUCT_CLK(dpll4_ck, dpll3_ck_parent_names, dpll4_ck_ops);
+static const struct clk_div_table dpll4_mx_ck_div_table[] = {
+ { .div = 1, .val = 1 },
+ { .div = 2, .val = 2 },
+ { .div = 3, .val = 3 },
+ { .div = 4, .val = 4 },
+ { .div = 5, .val = 5 },
+ { .div = 6, .val = 6 },
+ { .div = 7, .val = 7 },
+ { .div = 8, .val = 8 },
+ { .div = 9, .val = 9 },
+ { .div = 10, .val = 10 },
+ { .div = 11, .val = 11 },
+ { .div = 12, .val = 12 },
+ { .div = 13, .val = 13 },
+ { .div = 14, .val = 14 },
+ { .div = 15, .val = 15 },
+ { .div = 16, .val = 16 },
+ { .div = 17, .val = 17 },
+ { .div = 18, .val = 18 },
+ { .div = 19, .val = 19 },
+ { .div = 20, .val = 20 },
+ { .div = 21, .val = 21 },
+ { .div = 22, .val = 22 },
+ { .div = 23, .val = 23 },
+ { .div = 24, .val = 24 },
+ { .div = 25, .val = 25 },
+ { .div = 26, .val = 26 },
+ { .div = 27, .val = 27 },
+ { .div = 28, .val = 28 },
+ { .div = 29, .val = 29 },
+ { .div = 30, .val = 30 },
+ { .div = 31, .val = 31 },
+ { .div = 32, .val = 32 },
+ { .div = 0 },
+};
+
DEFINE_CLK_DIVIDER(dpll4_m5_ck, "dpll4_ck", &dpll4_ck, 0x0,
OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_CLKSEL),
OMAP3430_CLKSEL_CAM_SHIFT, OMAP3630_CLKSEL_CAM_WIDTH,
@@ -524,10 +560,10 @@ static const struct clksel_rate clkout2_src_54m_rates[] = {
{ .div = 0 }
};
-DEFINE_CLK_DIVIDER(dpll4_m3_ck, "dpll4_ck", &dpll4_ck, 0x0,
+DEFINE_CLK_DIVIDER_TABLE(dpll4_m3_ck, "dpll4_ck", &dpll4_ck, 0x0,
OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL),
OMAP3430_CLKSEL_TV_SHIFT, OMAP3630_CLKSEL_TV_WIDTH,
- CLK_DIVIDER_ONE_BASED, NULL);
+ 0, dpll4_mx_ck_div_table, NULL);
static struct clk dpll4_m3x2_ck;
@@ -847,10 +883,10 @@ static struct clk dpll3_m3x2_ck_3630 = {
DEFINE_CLK_FIXED_FACTOR(dpll3_x2_ck, "dpll3_ck", &dpll3_ck, 0x0, 2, 1);
-DEFINE_CLK_DIVIDER(dpll4_m4_ck, "dpll4_ck", &dpll4_ck, 0x0,
+DEFINE_CLK_DIVIDER_TABLE(dpll4_m4_ck, "dpll4_ck", &dpll4_ck, 0x0,
OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL),
OMAP3430_CLKSEL_DSS1_SHIFT, OMAP3630_CLKSEL_DSS1_WIDTH,
- CLK_DIVIDER_ONE_BASED, NULL);
+ 0, dpll4_mx_ck_div_table, NULL);
static struct clk dpll4_m4x2_ck;
@@ -869,7 +905,8 @@ static struct clk_hw_omap dpll4_m4x2_ck_hw = {
.clkdm_name = "dpll4_clkdm",
};
-DEFINE_STRUCT_CLK(dpll4_m4x2_ck, dpll4_m4x2_ck_parent_names, dpll4_m5x2_ck_ops);
+DEFINE_STRUCT_CLK_FLAGS(dpll4_m4x2_ck, dpll4_m4x2_ck_parent_names,
+ dpll4_m5x2_ck_ops, CLK_SET_RATE_PARENT);
static struct clk dpll4_m4x2_ck_3630 = {
.name = "dpll4_m4x2_ck",
@@ -877,6 +914,7 @@ static struct clk dpll4_m4x2_ck_3630 = {
.parent_names = dpll4_m4x2_ck_parent_names,
.num_parents = ARRAY_SIZE(dpll4_m4x2_ck_parent_names),
.ops = &dpll4_m5x2_ck_3630_ops,
+ .flags = CLK_SET_RATE_PARENT,
};
DEFINE_CLK_DIVIDER(dpll4_m6_ck, "dpll4_ck", &dpll4_ck, 0x0,
@@ -968,8 +1006,9 @@ static struct clk_hw_omap dss1_alwon_fck_3430es1_hw = {
.clkdm_name = "dss_clkdm",
};
-DEFINE_STRUCT_CLK(dss1_alwon_fck_3430es1, dss1_alwon_fck_3430es1_parent_names,
- aes2_ick_ops);
+DEFINE_STRUCT_CLK_FLAGS(dss1_alwon_fck_3430es1,
+ dss1_alwon_fck_3430es1_parent_names, aes2_ick_ops,
+ CLK_SET_RATE_PARENT);
static struct clk dss1_alwon_fck_3430es2;
@@ -983,8 +1022,9 @@ static struct clk_hw_omap dss1_alwon_fck_3430es2_hw = {
.clkdm_name = "dss_clkdm",
};
-DEFINE_STRUCT_CLK(dss1_alwon_fck_3430es2, dss1_alwon_fck_3430es1_parent_names,
- aes2_ick_ops);
+DEFINE_STRUCT_CLK_FLAGS(dss1_alwon_fck_3430es2,
+ dss1_alwon_fck_3430es1_parent_names, aes2_ick_ops,
+ CLK_SET_RATE_PARENT);
static struct clk dss2_alwon_fck;
diff --git a/arch/arm/mach-omap2/cclock44xx_data.c b/arch/arm/mach-omap2/cclock44xx_data.c
index b237950eb8a3..ec0dc0b1755e 100644
--- a/arch/arm/mach-omap2/cclock44xx_data.c
+++ b/arch/arm/mach-omap2/cclock44xx_data.c
@@ -830,7 +830,8 @@ DEFINE_CLK_GATE(dss_tv_clk, "extalt_clkin_ck", &extalt_clkin_ck, 0x0,
OMAP4430_CM_DSS_DSS_CLKCTRL,
OMAP4430_OPTFCLKEN_TV_CLK_SHIFT, 0x0, NULL);
-DEFINE_CLK_GATE(dss_dss_clk, "dpll_per_m5x2_ck", &dpll_per_m5x2_ck, 0x0,
+DEFINE_CLK_GATE(dss_dss_clk, "dpll_per_m5x2_ck", &dpll_per_m5x2_ck,
+ CLK_SET_RATE_PARENT,
OMAP4430_CM_DSS_DSS_CLKCTRL, OMAP4430_OPTFCLKEN_DSSCLK_SHIFT,
0x0, NULL);
diff --git a/arch/arm/mach-omap2/gpmc-smsc911x.c b/arch/arm/mach-omap2/gpmc-smsc911x.c
index ef990118d32b..2757504a13c4 100644
--- a/arch/arm/mach-omap2/gpmc-smsc911x.c
+++ b/arch/arm/mach-omap2/gpmc-smsc911x.c
@@ -83,7 +83,7 @@ void __init gpmc_smsc911x_init(struct omap_smsc911x_platform_data *gpmc_cfg)
pdev = platform_device_register_resndata(NULL, "smsc911x", gpmc_cfg->id,
gpmc_smsc911x_resources, ARRAY_SIZE(gpmc_smsc911x_resources),
&gpmc_smsc911x_config, sizeof(gpmc_smsc911x_config));
- if (!pdev) {
+ if (IS_ERR(pdev)) {
pr_err("Unable to register platform device\n");
gpio_free(gpmc_cfg->gpio_reset);
goto free2;
diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c
index b69dd9abb50a..53f0735817bb 100644
--- a/arch/arm/mach-omap2/omap_device.c
+++ b/arch/arm/mach-omap2/omap_device.c
@@ -621,6 +621,7 @@ static int _od_suspend_noirq(struct device *dev)
if (!ret && !pm_runtime_status_suspended(dev)) {
if (pm_generic_runtime_suspend(dev) == 0) {
+ pm_runtime_set_suspended(dev);
omap_device_idle(pdev);
od->flags |= OMAP_DEVICE_SUSPENDED;
}
@@ -634,10 +635,18 @@ static int _od_resume_noirq(struct device *dev)
struct platform_device *pdev = to_platform_device(dev);
struct omap_device *od = to_omap_device(pdev);
- if ((od->flags & OMAP_DEVICE_SUSPENDED) &&
- !pm_runtime_status_suspended(dev)) {
+ if (od->flags & OMAP_DEVICE_SUSPENDED) {
od->flags &= ~OMAP_DEVICE_SUSPENDED;
omap_device_enable(pdev);
+ /*
+ * XXX: we run before core runtime pm has resumed itself. At
+ * this point in time, we just restore the runtime pm state and
+ * considering symmetric operations in resume, we donot expect
+ * to fail. If we failed, something changed in core runtime_pm
+ * framework OR some device driver messed things up, hence, WARN
+ */
+ WARN(pm_runtime_set_active(dev),
+ "Could not set %s runtime state active\n", dev_name(dev));
pm_generic_runtime_resume(dev);
}
diff --git a/arch/arm/mach-omap2/prm44xx_54xx.h b/arch/arm/mach-omap2/prm44xx_54xx.h
index a085d9cc1f5d..7a976065e138 100644
--- a/arch/arm/mach-omap2/prm44xx_54xx.h
+++ b/arch/arm/mach-omap2/prm44xx_54xx.h
@@ -42,7 +42,8 @@ extern u32 omap4_prm_vcvp_read(u8 offset);
extern void omap4_prm_vcvp_write(u32 val, u8 offset);
extern u32 omap4_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset);
-#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
+#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \
+ defined(CONFIG_SOC_DRA7XX)
void omap44xx_prm_reconfigure_io_chain(void);
#else
static inline void omap44xx_prm_reconfigure_io_chain(void)
diff --git a/arch/arm/mach-pxa/include/mach/gpio.h b/arch/arm/mach-pxa/include/mach/gpio.h
deleted file mode 100644
index 0248e433bc98..000000000000
--- a/arch/arm/mach-pxa/include/mach/gpio.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * arch/arm/mach-pxa/include/mach/gpio.h
- *
- * PXA GPIO wrappers for arch-neutral GPIO calls
- *
- * Written by Philipp Zabel <philipp.zabel@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#ifndef __ASM_ARCH_PXA_GPIO_H
-#define __ASM_ARCH_PXA_GPIO_H
-
-#include <asm-generic/gpio.h>
-
-#include <mach/irqs.h>
-#include <mach/hardware.h>
-
-#endif
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c
index 1a911df9e451..aca7d16e195d 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
@@ -310,10 +310,6 @@ static struct regulator_consumer_supply wallvdd_consumers[] = {
REGULATOR_SUPPLY("SPKVDDL", "spi0.1"),
REGULATOR_SUPPLY("SPKVDDR", "spi0.1"),
- REGULATOR_SUPPLY("SPKVDDL", "wm5102-codec"),
- REGULATOR_SUPPLY("SPKVDDR", "wm5102-codec"),
- REGULATOR_SUPPLY("SPKVDDL", "wm5110-codec"),
- REGULATOR_SUPPLY("SPKVDDR", "wm5110-codec"),
REGULATOR_SUPPLY("DC1VDD", "0-0034"),
REGULATOR_SUPPLY("DC2VDD", "0-0034"),
@@ -653,14 +649,6 @@ static struct regulator_consumer_supply pvdd_1v8_consumers[] = {
REGULATOR_SUPPLY("DBVDD3", "spi0.1"),
REGULATOR_SUPPLY("LDOVDD", "spi0.1"),
REGULATOR_SUPPLY("CPVDD", "spi0.1"),
-
- REGULATOR_SUPPLY("DBVDD2", "wm5102-codec"),
- REGULATOR_SUPPLY("DBVDD3", "wm5102-codec"),
- REGULATOR_SUPPLY("CPVDD", "wm5102-codec"),
-
- REGULATOR_SUPPLY("DBVDD2", "wm5110-codec"),
- REGULATOR_SUPPLY("DBVDD3", "wm5110-codec"),
- REGULATOR_SUPPLY("CPVDD", "wm5110-codec"),
};
static struct regulator_init_data pvdd_1v8 = {
diff --git a/arch/arm/mach-u300/timer.c b/arch/arm/mach-u300/timer.c
index b5db207dfd1e..9a5f9fb352ce 100644
--- a/arch/arm/mach-u300/timer.c
+++ b/arch/arm/mach-u300/timer.c
@@ -358,8 +358,7 @@ static struct delay_timer u300_delay_timer;
*/
static void __init u300_timer_init_of(struct device_node *np)
{
- struct resource irq_res;
- int irq;
+ unsigned int irq;
struct clk *clk;
unsigned long rate;
@@ -368,11 +367,11 @@ static void __init u300_timer_init_of(struct device_node *np)
panic("could not ioremap system timer\n");
/* Get the IRQ for the GP1 timer */
- irq = of_irq_to_resource(np, 2, &irq_res);
- if (irq <= 0)
+ irq = irq_of_parse_and_map(np, 2);
+ if (!irq)
panic("no IRQ for system timer\n");
- pr_info("U300 GP1 timer @ base: %p, IRQ: %d\n", u300_timer_base, irq);
+ pr_info("U300 GP1 timer @ base: %p, IRQ: %u\n", u300_timer_base, irq);
/* Clock the interrupt controller */
clk = of_clk_get(np, 0);
diff --git a/arch/arm/mach-w90x900/include/mach/gpio.h b/arch/arm/mach-w90x900/include/mach/gpio.h
deleted file mode 100644
index 5385a4203277..000000000000
--- a/arch/arm/mach-w90x900/include/mach/gpio.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * linux/arch/arm/mach-w90p910/include/mach/gpio.h
- *
- * Generic w90p910 GPIO handling
- *
- * Wan ZongShun <mcuos.com@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __ASM_ARCH_W90P910_GPIO_H
-#define __ASM_ARCH_W90P910_GPIO_H
-
-#include <mach/hardware.h>
-#include <asm/irq.h>
-
-static inline int gpio_to_irq(unsigned gpio)
-{
- return gpio;
-}
-#define gpio_to_irq gpio_to_irq
-
-static inline int irq_to_gpio(unsigned irq)
-{
- return irq;
-}
-
-#endif
diff --git a/arch/arm/mach-zynq/Kconfig b/arch/arm/mach-zynq/Kconfig
index 04f8a4a6e755..6b04260aa142 100644
--- a/arch/arm/mach-zynq/Kconfig
+++ b/arch/arm/mach-zynq/Kconfig
@@ -13,5 +13,6 @@ config ARCH_ZYNQ
select HAVE_SMP
select SPARSE_IRQ
select CADENCE_TTC_TIMER
+ select ARM_GLOBAL_TIMER
help
Support for Xilinx Zynq ARM Cortex A9 Platform
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 18ec4c504abf..ca907f805c57 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -76,14 +76,6 @@ static int __init parse_tag_initrd2(const struct tag *tag)
__tagtable(ATAG_INITRD2, parse_tag_initrd2);
-#ifdef CONFIG_OF_FLATTREE
-void __init early_init_dt_setup_initrd_arch(u64 start, u64 end)
-{
- phys_initrd_start = start;
- phys_initrd_size = end - start;
-}
-#endif /* CONFIG_OF_FLATTREE */
-
/*
* This keeps memory configuration data used by a couple memory
* initialization functions, as well as show_mem() for the skipping
@@ -350,6 +342,11 @@ void __init arm_memblock_init(struct meminfo *mi,
memblock_reserve(__pa(_stext), _end - _stext);
#endif
#ifdef CONFIG_BLK_DEV_INITRD
+ /* FDT scan will populate initrd_start */
+ if (initrd_start) {
+ phys_initrd_start = __virt_to_phys(initrd_start);
+ phys_initrd_size = initrd_end - initrd_start;
+ }
if (phys_initrd_size &&
!memblock_is_region_memory(phys_initrd_start, phys_initrd_size)) {
pr_err("INITRD: 0x%08llx+0x%08lx is not a memory region - disabling initrd\n",
diff --git a/arch/arm/plat-iop/Makefile b/arch/arm/plat-iop/Makefile
index a99dc15a70f7..224e56c6049b 100644
--- a/arch/arm/plat-iop/Makefile
+++ b/arch/arm/plat-iop/Makefile
@@ -5,7 +5,6 @@
obj-y :=
# IOP32X
-obj-$(CONFIG_ARCH_IOP32X) += gpio.o
obj-$(CONFIG_ARCH_IOP32X) += i2c.o
obj-$(CONFIG_ARCH_IOP32X) += pci.o
obj-$(CONFIG_ARCH_IOP32X) += setup.o
@@ -16,7 +15,6 @@ obj-$(CONFIG_ARCH_IOP32X) += pmu.o
obj-$(CONFIG_ARCH_IOP32X) += restart.o
# IOP33X
-obj-$(CONFIG_ARCH_IOP33X) += gpio.o
obj-$(CONFIG_ARCH_IOP33X) += i2c.o
obj-$(CONFIG_ARCH_IOP33X) += pci.o
obj-$(CONFIG_ARCH_IOP33X) += setup.o
diff --git a/arch/arm/plat-iop/gpio.c b/arch/arm/plat-iop/gpio.c
deleted file mode 100644
index 697de6dc4936..000000000000
--- a/arch/arm/plat-iop/gpio.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * arch/arm/plat-iop/gpio.c
- * GPIO handling for Intel IOP3xx processors.
- *
- * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- */
-
-#include <linux/device.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/gpio.h>
-#include <linux/export.h>
-#include <asm/hardware/iop3xx.h>
-#include <mach/gpio.h>
-
-void gpio_line_config(int line, int direction)
-{
- unsigned long flags;
-
- local_irq_save(flags);
- if (direction == GPIO_IN) {
- *IOP3XX_GPOE |= 1 << line;
- } else if (direction == GPIO_OUT) {
- *IOP3XX_GPOE &= ~(1 << line);
- }
- local_irq_restore(flags);
-}
-EXPORT_SYMBOL(gpio_line_config);
-
-int gpio_line_get(int line)
-{
- return !!(*IOP3XX_GPID & (1 << line));
-}
-EXPORT_SYMBOL(gpio_line_get);
-
-void gpio_line_set(int line, int value)
-{
- unsigned long flags;
-
- local_irq_save(flags);
- if (value == GPIO_LOW) {
- *IOP3XX_GPOD &= ~(1 << line);
- } else if (value == GPIO_HIGH) {
- *IOP3XX_GPOD |= 1 << line;
- }
- local_irq_restore(flags);
-}
-EXPORT_SYMBOL(gpio_line_set);
-
-static int iop3xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
-{
- gpio_line_config(gpio, GPIO_IN);
- return 0;
-}
-
-static int iop3xx_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, int level)
-{
- gpio_line_set(gpio, level);
- gpio_line_config(gpio, GPIO_OUT);
- return 0;
-}
-
-static int iop3xx_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
-{
- return gpio_line_get(gpio);
-}
-
-static void iop3xx_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value)
-{
- gpio_line_set(gpio, value);
-}
-
-static struct gpio_chip iop3xx_chip = {
- .label = "iop3xx",
- .direction_input = iop3xx_gpio_direction_input,
- .get = iop3xx_gpio_get_value,
- .direction_output = iop3xx_gpio_direction_output,
- .set = iop3xx_gpio_set_value,
- .base = 0,
- .ngpio = IOP3XX_N_GPIOS,
-};
-
-static int __init iop3xx_gpio_setup(void)
-{
- return gpiochip_add(&iop3xx_chip);
-}
-arch_initcall(iop3xx_gpio_setup);