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authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-14 06:45:30 -0200
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-14 06:45:30 -0200
commitb93cd6a0c7352b428ba2b8437b44fff6e76d81d2 (patch)
tree9521480c841f978f8299374a649d4c2ef0b2b22b
parentd291ffb3cf4f8f74b73bac77478c619251ee8a9f (diff)
parentab4f75cd0a9f5ffdcc3d9fc2b29ca14525215b78 (diff)
downloadlinux-linaro-stable-b93cd6a0c7352b428ba2b8437b44fff6e76d81d2.tar.gz
Merge branch 'sh-fixes-for-linus' of git://github.com/pmundt/linux-sh
* 'sh-fixes-for-linus' of git://github.com/pmundt/linux-sh: mailmap: Fix up some renesas attributions sh: clkfwk: Kill off remaining debugfs cruft. drivers: sh: Kill off dead pathname for runtime PM stub. drivers: sh: Generalize runtime PM platform stub. sh: Wire up process_vm syscalls. sh: clkfwk: add clk_rate_mult_range_round() serial: sh-sci: Fix up SH-2A SCIF support. sh: Fix cached/uncaced address calculation in 29bit mode
-rw-r--r--.mailmap2
-rw-r--r--arch/arm/mach-shmobile/Makefile2
-rw-r--r--arch/sh/include/asm/page.h5
-rw-r--r--arch/sh/include/asm/unistd_32.h4
-rw-r--r--arch/sh/include/asm/unistd_64.h4
-rw-r--r--arch/sh/kernel/cpu/sh2a/setup-sh7203.c16
-rw-r--r--arch/sh/kernel/syscalls_32.S2
-rw-r--r--arch/sh/kernel/syscalls_64.S2
-rw-r--r--drivers/sh/Makefile8
-rw-r--r--drivers/sh/clk/core.c107
-rw-r--r--drivers/sh/pm_runtime.c (renamed from arch/arm/mach-shmobile/pm_runtime.c)4
-rw-r--r--drivers/tty/serial/sh-sci.c19
-rw-r--r--include/linux/serial_sci.h1
-rw-r--r--include/linux/sh_clk.h4
14 files changed, 82 insertions, 98 deletions
diff --git a/.mailmap b/.mailmap
index a4806f0de852..9b0d0267a3c3 100644
--- a/.mailmap
+++ b/.mailmap
@@ -68,6 +68,7 @@ Juha Yrjola <juha.yrjola@solidboot.com>
Kay Sievers <kay.sievers@vrfy.org>
Kenneth W Chen <kenneth.w.chen@intel.com>
Koushik <raghavendra.koushik@neterion.com>
+Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Leonid I Ananiev <leonid.i.ananiev@intel.com>
Linas Vepstas <linas@austin.ibm.com>
Mark Brown <broonie@sirena.org.uk>
@@ -111,3 +112,4 @@ Uwe Kleine-König <ukl@pengutronix.de>
Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Takashi YOSHII <takashi.yoshii.zj@renesas.com>
+Yusuke Goda <goda.yusuke@renesas.com>
diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile
index 2aec2f732515..737bdc631b0d 100644
--- a/arch/arm/mach-shmobile/Makefile
+++ b/arch/arm/mach-shmobile/Makefile
@@ -3,7 +3,7 @@
#
# Common objects
-obj-y := timer.o console.o clock.o pm_runtime.o
+obj-y := timer.o console.o clock.o
# CPU objects
obj-$(CONFIG_ARCH_SH7367) += setup-sh7367.o clock-sh7367.o intc-sh7367.o
diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index 0dca9a5c6be6..15d970328f71 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -151,8 +151,13 @@ typedef struct page *pgtable_t;
#endif /* !__ASSEMBLY__ */
#ifdef CONFIG_UNCACHED_MAPPING
+#if defined(CONFIG_29BIT)
+#define UNCAC_ADDR(addr) P2SEGADDR(addr)
+#define CAC_ADDR(addr) P1SEGADDR(addr)
+#else
#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + uncached_start)
#define CAC_ADDR(addr) ((addr) - uncached_start + PAGE_OFFSET)
+#endif
#else
#define UNCAC_ADDR(addr) ((addr))
#define CAC_ADDR(addr) ((addr))
diff --git a/arch/sh/include/asm/unistd_32.h b/arch/sh/include/asm/unistd_32.h
index 3432008d2888..152b8627a184 100644
--- a/arch/sh/include/asm/unistd_32.h
+++ b/arch/sh/include/asm/unistd_32.h
@@ -375,8 +375,10 @@
#define __NR_syncfs 362
#define __NR_sendmmsg 363
#define __NR_setns 364
+#define __NR_process_vm_readv 365
+#define __NR_process_vm_writev 366
-#define NR_syscalls 365
+#define NR_syscalls 367
#ifdef __KERNEL__
diff --git a/arch/sh/include/asm/unistd_64.h b/arch/sh/include/asm/unistd_64.h
index ec9898665f23..c330c23db5a0 100644
--- a/arch/sh/include/asm/unistd_64.h
+++ b/arch/sh/include/asm/unistd_64.h
@@ -396,10 +396,12 @@
#define __NR_syncfs 373
#define __NR_sendmmsg 374
#define __NR_setns 375
+#define __NR_process_vm_readv 376
+#define __NR_process_vm_writev 377
#ifdef __KERNEL__
-#define NR_syscalls 376
+#define NR_syscalls 378
#define __ARCH_WANT_IPC_PARSE_VERSION
#define __ARCH_WANT_OLD_READDIR
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
index a43124e608c3..0bd744f9a3b7 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7203.c
@@ -176,10 +176,12 @@ static DECLARE_INTC_DESC(intc_desc, "sh7203", vectors, groups,
static struct plat_sci_port scif0_platform_data = {
.mapbase = 0xfffe8000,
.flags = UPF_BOOT_AUTOCONF,
- .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
+ .scscr = SCSCR_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE |
+ SCSCR_REIE,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 192, 192, 192, 192 },
+ .regtype = SCIx_SH2_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif0_device = {
@@ -193,10 +195,12 @@ static struct platform_device scif0_device = {
static struct plat_sci_port scif1_platform_data = {
.mapbase = 0xfffe8800,
.flags = UPF_BOOT_AUTOCONF,
- .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
+ .scscr = SCSCR_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE |
+ SCSCR_REIE,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 196, 196, 196, 196 },
+ .regtype = SCIx_SH2_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif1_device = {
@@ -210,10 +214,12 @@ static struct platform_device scif1_device = {
static struct plat_sci_port scif2_platform_data = {
.mapbase = 0xfffe9000,
.flags = UPF_BOOT_AUTOCONF,
- .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
+ .scscr = SCSCR_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE |
+ SCSCR_REIE,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 200, 200, 200, 200 },
+ .regtype = SCIx_SH2_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif2_device = {
@@ -227,10 +233,12 @@ static struct platform_device scif2_device = {
static struct plat_sci_port scif3_platform_data = {
.mapbase = 0xfffe9800,
.flags = UPF_BOOT_AUTOCONF,
- .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
+ .scscr = SCSCR_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE |
+ SCSCR_REIE,
.scbrr_algo_id = SCBRR_ALGO_2,
.type = PORT_SCIF,
.irqs = { 204, 204, 204, 204 },
+ .regtype = SCIx_SH2_SCIF_FIFODATA_REGTYPE,
};
static struct platform_device scif3_device = {
diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S
index 293e39c59c00..ee56a9b1a981 100644
--- a/arch/sh/kernel/syscalls_32.S
+++ b/arch/sh/kernel/syscalls_32.S
@@ -382,3 +382,5 @@ ENTRY(sys_call_table)
.long sys_syncfs
.long sys_sendmmsg
.long sys_setns
+ .long sys_process_vm_readv /* 365 */
+ .long sys_process_vm_writev
diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S
index ceb34b94afa9..9af7de26fb71 100644
--- a/arch/sh/kernel/syscalls_64.S
+++ b/arch/sh/kernel/syscalls_64.S
@@ -402,3 +402,5 @@ sys_call_table:
.long sys_syncfs
.long sys_sendmmsg
.long sys_setns /* 375 */
+ .long sys_process_vm_readv
+ .long sys_process_vm_writev
diff --git a/drivers/sh/Makefile b/drivers/sh/Makefile
index 24e6cec0ae8d..67e272ab1623 100644
--- a/drivers/sh/Makefile
+++ b/drivers/sh/Makefile
@@ -7,3 +7,11 @@ obj-$(CONFIG_HAVE_CLK) += clk/
obj-$(CONFIG_MAPLE) += maple/
obj-$(CONFIG_SUPERHYWAY) += superhyway/
obj-$(CONFIG_GENERIC_GPIO) += pfc.o
+
+#
+# For the moment we only use this framework for ARM-based SH/R-Mobile
+# platforms and generic SH. SH-based SH-Mobile platforms are still using
+# an older framework that is pending up-porting, at which point this
+# special casing can go away.
+#
+obj-$(CONFIG_SUPERH)$(CONFIG_ARCH_SHMOBILE) += pm_runtime.o
diff --git a/drivers/sh/clk/core.c b/drivers/sh/clk/core.c
index dc8d022c07a1..db257a35e71a 100644
--- a/drivers/sh/clk/core.c
+++ b/drivers/sh/clk/core.c
@@ -25,7 +25,6 @@
#include <linux/seq_file.h>
#include <linux/err.h>
#include <linux/io.h>
-#include <linux/debugfs.h>
#include <linux/cpufreq.h>
#include <linux/clk.h>
#include <linux/sh_clk.h>
@@ -173,6 +172,26 @@ long clk_rate_div_range_round(struct clk *clk, unsigned int div_min,
return clk_rate_round_helper(&div_range_round);
}
+static long clk_rate_mult_range_iter(unsigned int pos,
+ struct clk_rate_round_data *rounder)
+{
+ return clk_get_rate(rounder->arg) * pos;
+}
+
+long clk_rate_mult_range_round(struct clk *clk, unsigned int mult_min,
+ unsigned int mult_max, unsigned long rate)
+{
+ struct clk_rate_round_data mult_range_round = {
+ .min = mult_min,
+ .max = mult_max,
+ .func = clk_rate_mult_range_iter,
+ .arg = clk_get_parent(clk),
+ .rate = rate,
+ };
+
+ return clk_rate_round_helper(&mult_range_round);
+}
+
int clk_rate_table_find(struct clk *clk,
struct cpufreq_frequency_table *freq_table,
unsigned long rate)
@@ -205,9 +224,6 @@ int clk_reparent(struct clk *child, struct clk *parent)
list_add(&child->sibling, &parent->children);
child->parent = parent;
- /* now do the debugfs renaming to reattach the child
- to the proper parent */
-
return 0;
}
@@ -665,89 +681,6 @@ static int __init clk_syscore_init(void)
subsys_initcall(clk_syscore_init);
#endif
-/*
- * debugfs support to trace clock tree hierarchy and attributes
- */
-static struct dentry *clk_debugfs_root;
-
-static int clk_debugfs_register_one(struct clk *c)
-{
- int err;
- struct dentry *d;
- struct clk *pa = c->parent;
- char s[255];
- char *p = s;
-
- p += sprintf(p, "%p", c);
- d = debugfs_create_dir(s, pa ? pa->dentry : clk_debugfs_root);
- if (!d)
- return -ENOMEM;
- c->dentry = d;
-
- d = debugfs_create_u8("usecount", S_IRUGO, c->dentry, (u8 *)&c->usecount);
- if (!d) {
- err = -ENOMEM;
- goto err_out;
- }
- d = debugfs_create_u32("rate", S_IRUGO, c->dentry, (u32 *)&c->rate);
- if (!d) {
- err = -ENOMEM;
- goto err_out;
- }
- d = debugfs_create_x32("flags", S_IRUGO, c->dentry, (u32 *)&c->flags);
- if (!d) {
- err = -ENOMEM;
- goto err_out;
- }
- return 0;
-
-err_out:
- debugfs_remove_recursive(c->dentry);
- return err;
-}
-
-static int clk_debugfs_register(struct clk *c)
-{
- int err;
- struct clk *pa = c->parent;
-
- if (pa && !pa->dentry) {
- err = clk_debugfs_register(pa);
- if (err)
- return err;
- }
-
- if (!c->dentry) {
- err = clk_debugfs_register_one(c);
- if (err)
- return err;
- }
- return 0;
-}
-
-static int __init clk_debugfs_init(void)
-{
- struct clk *c;
- struct dentry *d;
- int err;
-
- d = debugfs_create_dir("clock", NULL);
- if (!d)
- return -ENOMEM;
- clk_debugfs_root = d;
-
- list_for_each_entry(c, &clock_list, node) {
- err = clk_debugfs_register(c);
- if (err)
- goto err_out;
- }
- return 0;
-err_out:
- debugfs_remove_recursive(clk_debugfs_root);
- return err;
-}
-late_initcall(clk_debugfs_init);
-
static int __init clk_late_init(void)
{
unsigned long flags;
diff --git a/arch/arm/mach-shmobile/pm_runtime.c b/drivers/sh/pm_runtime.c
index bd5c6a3b8c55..afe9282629b9 100644
--- a/arch/arm/mach-shmobile/pm_runtime.c
+++ b/drivers/sh/pm_runtime.c
@@ -1,7 +1,5 @@
/*
- * arch/arm/mach-shmobile/pm_runtime.c
- *
- * Runtime PM support code for SuperH Mobile ARM
+ * Runtime PM support code
*
* Copyright (C) 2009-2010 Magnus Damm
*
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 1945c70539c2..aff9d612dff0 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -207,6 +207,25 @@ static struct plat_sci_reg sci_regmap[SCIx_NR_REGTYPES][SCIx_NR_REGS] = {
},
/*
+ * Common SH-2(A) SCIF definitions for ports with FIFO data
+ * count registers.
+ */
+ [SCIx_SH2_SCIF_FIFODATA_REGTYPE] = {
+ [SCSMR] = { 0x00, 16 },
+ [SCBRR] = { 0x04, 8 },
+ [SCSCR] = { 0x08, 16 },
+ [SCxTDR] = { 0x0c, 8 },
+ [SCxSR] = { 0x10, 16 },
+ [SCxRDR] = { 0x14, 8 },
+ [SCFCR] = { 0x18, 16 },
+ [SCFDR] = { 0x1c, 16 },
+ [SCTFDR] = sci_reg_invalid,
+ [SCRFDR] = sci_reg_invalid,
+ [SCSPTR] = { 0x20, 16 },
+ [SCLSR] = { 0x24, 16 },
+ },
+
+ /*
* Common SH-3 SCIF definitions.
*/
[SCIx_SH3_SCIF_REGTYPE] = {
diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h
index 0efa1f10bc2b..369273a52679 100644
--- a/include/linux/serial_sci.h
+++ b/include/linux/serial_sci.h
@@ -67,6 +67,7 @@ enum {
SCIx_IRDA_REGTYPE,
SCIx_SCIFA_REGTYPE,
SCIx_SCIFB_REGTYPE,
+ SCIx_SH2_SCIF_FIFODATA_REGTYPE,
SCIx_SH3_SCIF_REGTYPE,
SCIx_SH4_SCIF_REGTYPE,
SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
diff --git a/include/linux/sh_clk.h b/include/linux/sh_clk.h
index 3ccf18648d0a..a20831cf336a 100644
--- a/include/linux/sh_clk.h
+++ b/include/linux/sh_clk.h
@@ -52,7 +52,6 @@ struct clk {
unsigned long arch_flags;
void *priv;
- struct dentry *dentry;
struct clk_mapping *mapping;
struct cpufreq_frequency_table *freq_table;
unsigned int nr_freqs;
@@ -94,6 +93,9 @@ int clk_rate_table_find(struct clk *clk,
long clk_rate_div_range_round(struct clk *clk, unsigned int div_min,
unsigned int div_max, unsigned long rate);
+long clk_rate_mult_range_round(struct clk *clk, unsigned int mult_min,
+ unsigned int mult_max, unsigned long rate);
+
long clk_round_parent(struct clk *clk, unsigned long target,
unsigned long *best_freq, unsigned long *parent_freq,
unsigned int div_min, unsigned int div_max);