[PATCH 7/7] ARM: EXYNOS4: Move S5P_CENTRAL_SEQ_CONFIGURATION setting for PM
Sergei Shtylyov
sshtylyov at mvista.com
Wed Jun 22 08:10:45 EDT 2011
Hello.
On 22-06-2011 12:46, Kukjin Kim wrote:
> From: Jaecheol Lee<jc.lee at samsung.com>
> We need to balance between set and check S5P_CENTRAL_SEQ_CONFIGURATION
> register in syscore_ops suspend/resume function when failure in enter
> suspend mode. Moved this register setting for PM for the purpose of balancing.
> Signed-off-by: Jaecheol Lee<jc.lee at samsung.com>
> Signed-off-by: Kukjin Kim<kgene.kim at samsung.com>
> ---
> arch/arm/mach-exynos4/pm.c | 22 ++++++++++++++--------
> 1 files changed, 14 insertions(+), 8 deletions(-)
> diff --git a/arch/arm/mach-exynos4/pm.c b/arch/arm/mach-exynos4/pm.c
> index b037fba..a103c13 100644
> --- a/arch/arm/mach-exynos4/pm.c
> +++ b/arch/arm/mach-exynos4/pm.c
[...]
> @@ -413,6 +405,19 @@ static __init int exynos4_pm_drvinit(void)
> }
> arch_initcall(exynos4_pm_drvinit);
>
> +static int exynos4_pm_suspend(void)
> +{
> + unsigned long tmp;
> +
> + /* Setting Central Sequence Register for power down mode */
> +
> + tmp = __raw_readl(S5P_CENTRAL_SEQ_CONFIGURATION);
> + tmp &= ~(S5P_CENTRAL_LOWPWR_CFG);
Could drop useless parens, while at it.
WBR, Sergei
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