From mboxrd@z Thu Jan 1 00:00:00 1970 From: ben.dooks@codethink.co.uk (Ben Dooks) Date: Tue, 21 Jun 2016 11:20:28 +0100 Subject: [[PATCH v2] 07/11] ARM: EXYNOS: fixup for __raw operations in suspend.c In-Reply-To: <1466504432-24187-1-git-send-email-ben.dooks@codethink.co.uk> References: <1466504432-24187-1-git-send-email-ben.dooks@codethink.co.uk> Message-ID: <1466504432-24187-8-git-send-email-ben.dooks@codethink.co.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Fix the PMU code endian access code to deal with kernels built for big endian operation by changing the __raw IO accessors to the _relaxed variants. Signed-off-by: Ben Dooks --- --- arch/arm/mach-exynos/suspend.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c index f216909..3750575 100644 --- a/arch/arm/mach-exynos/suspend.c +++ b/arch/arm/mach-exynos/suspend.c @@ -301,7 +301,7 @@ static int exynos5420_cpu_suspend(unsigned long arg) unsigned int cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1); unsigned int cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0); - __raw_writel(0x0, sysram_base_addr + EXYNOS5420_CPU_STATE); + writel_relaxed(0x0, sysram_base_addr + EXYNOS5420_CPU_STATE); if (IS_ENABLED(CONFIG_EXYNOS5420_MCPM)) { mcpm_set_entry_vector(cpu, cluster, exynos_cpu_resume); @@ -373,8 +373,8 @@ static void exynos5420_pm_prepare(void) * needs to restore it back in case, the primary cpu fails to * suspend for any reason. */ - exynos5420_cpu_state = __raw_readl(sysram_base_addr + - EXYNOS5420_CPU_STATE); + exynos5420_cpu_state = readl_relaxed(sysram_base_addr + + EXYNOS5420_CPU_STATE); exynos_pm_enter_sleep_mode(); @@ -504,11 +504,11 @@ static void exynos5420_pm_resume(void) /* Restore the CPU0 low power state register */ tmp = pmu_raw_readl(EXYNOS5_ARM_CORE0_SYS_PWR_REG); pmu_raw_writel(tmp | S5P_CORE_LOCAL_PWR_EN, - EXYNOS5_ARM_CORE0_SYS_PWR_REG); + EXYNOS5_ARM_CORE0_SYS_PWR_REG); /* Restore the sysram cpu state register */ - __raw_writel(exynos5420_cpu_state, - sysram_base_addr + EXYNOS5420_CPU_STATE); + writel_relaxed(exynos5420_cpu_state, + sysram_base_addr + EXYNOS5420_CPU_STATE); pmu_raw_writel(EXYNOS5420_USE_STANDBY_WFI_ALL, S5P_CENTRAL_SEQ_OPTION); -- 2.8.1