On Thu, Sep 18, 2008 at 03:22:32PM +0300, ext Kevin Hilman wrote:
> This ensures that an unused HSMMC block will not interfere with sleep.
>
> Signed-off-by: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
It was observed that bootrom code initializes mmc in such a way that
prevents system from idling.
Acked-by: Felipe Balbi <felipe.balbi@xxxxxxxxx>
> ---
> arch/arm/mach-omap2/hsmmc.c | 8 ++++++++
> 1 files changed, 8 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
> index 7334d86..03fe820 100644
> --- a/arch/arm/mach-omap2/hsmmc.c
> +++ b/arch/arm/mach-omap2/hsmmc.c
> @@ -280,8 +280,16 @@ static struct omap_mmc_platform_data hsmmc_data = {
> },
> };
>
> +static void __init hsmmc_reset(void)
> +{
> + omap_writel(MMCHS_SYSCONFIG_SWRESET, MMCHS1_SYSCONFIG);
> + omap_writel(MMCHS_SYSCONFIG_SWRESET, MMCHS2_SYSCONFIG);
> + omap_writel(MMCHS_SYSCONFIG_SWRESET, MMCHS3_SYSCONFIG);
> +}
> +
> void __init hsmmc_init(void)
> {
> + hsmmc_reset();
> omap2_init_mmc(&hsmmc_data);
> }
>
> --
> 1.5.4.3
>
> --
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--
balbi
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