diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/Makefile | 8 | ||||
| -rw-r--r-- | arch/arm/boot/dts/omap5-uevm.dts | 4 | ||||
| -rw-r--r-- | arch/arm/kernel/signal.c | 15 |
3 files changed, 20 insertions, 7 deletions
diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 1115c76d9d90..8d18f0d713ca 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -52,6 +52,14 @@ endif comma = , +# +# The Scalar Replacement of Aggregates (SRA) optimization pass in GCC 4.9 and +# later may result in code being generated that handles signed short and signed +# char struct members incorrectly. So disable it. +# (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65932) +# +KBUILD_CFLAGS += $(call cc-option,-fno-ipa-sra) + # This selects which instruction set is used. # Note that GCC does not numerically define an architecture version # macro, but instead defines a whole series of macros which makes diff --git a/arch/arm/boot/dts/omap5-uevm.dts b/arch/arm/boot/dts/omap5-uevm.dts index 002fa70180a5..1186a50fc1de 100644 --- a/arch/arm/boot/dts/omap5-uevm.dts +++ b/arch/arm/boot/dts/omap5-uevm.dts @@ -111,8 +111,8 @@ i2c5_pins: pinmux_i2c5_pins { pinctrl-single,pins = < - 0x184 (PIN_INPUT | MUX_MODE0) /* i2c5_scl */ - 0x186 (PIN_INPUT | MUX_MODE0) /* i2c5_sda */ + 0x186 (PIN_INPUT | MUX_MODE0) /* i2c5_scl */ + 0x188 (PIN_INPUT | MUX_MODE0) /* i2c5_sda */ >; }; diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 04d63880037f..1e5a4fd25a50 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -353,12 +353,17 @@ setup_return(struct pt_regs *regs, struct ksignal *ksig, */ thumb = handler & 1; -#if __LINUX_ARM_ARCH__ >= 7 +#if __LINUX_ARM_ARCH__ >= 6 /* - * Clear the If-Then Thumb-2 execution state - * ARM spec requires this to be all 000s in ARM mode - * Snapdragon S4/Krait misbehaves on a Thumb=>ARM - * signal transition without this. + * Clear the If-Then Thumb-2 execution state. ARM spec + * requires this to be all 000s in ARM mode. Snapdragon + * S4/Krait misbehaves on a Thumb=>ARM signal transition + * without this. + * + * We must do this whenever we are running on a Thumb-2 + * capable CPU, which includes ARMv6T2. However, we elect + * to do this whenever we're on an ARMv6 or later CPU for + * simplicity. */ cpsr &= ~PSR_IT_MASK; #endif |