Re: [PATCH 1/3] DSS PM_WKEN to refill DMA

[Kevin Hilman <khilman@deeprootsystems.com>]

"Y, Kishore" <kishore.y@ti.com> writes:

> From: Subramani Venkatesh <x0108988@ti.com>
>
> Currently, DSS doesnot wakeup when there is a DMA request.
> DSS wake up event must be enabled so that the DMA request to refill
> the FIFO will wake up the CORE domain.
>
> Signed-off-by: Subramani Venkatesh <subramani.venkatesh@windriver.com>

Adding this one to pm-fixes queue for 2.6.33-rc.

The rest of this series needs to go upstream via Tomi's DSS2 tree.

Kevin

> ---
>  arch/arm/mach-omap2/pm34xx.c |    5 +++++
>  1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
> index 81ed252..2d11b80 100644
> --- a/arch/arm/mach-omap2/pm34xx.c
> +++ b/arch/arm/mach-omap2/pm34xx.c
> @@ -726,6 +726,11 @@ static void __init prcm_setup_regs(void)
>  	prm_write_mod_reg(0, OMAP3430_IVA2_MOD, PM_WKDEP);
>  	prm_write_mod_reg(0, MPU_MOD, PM_WKDEP);
>  	prm_write_mod_reg(0, OMAP3430_DSS_MOD, PM_WKDEP);
> +
> +	/* Enable PM_WKEN to support DSS LPR */
> +	prm_write_mod_reg(OMAP3430_PM_WKEN_DSS_EN_DSS,
> +				OMAP3430_DSS_MOD, PM_WKEN);
> +
>  	prm_write_mod_reg(0, OMAP3430_NEON_MOD, PM_WKDEP);
>  	prm_write_mod_reg(0, OMAP3430_CAM_MOD, PM_WKDEP);
>  	prm_write_mod_reg(0, OMAP3430_PER_MOD, PM_WKDEP);
> -- 
> 1.5.4.3
>
>
> Regards,
> Kishore Y