On Fri, 11 Oct 2013, Tero Kristo wrote:
> OMAP3 PM code needs this functionality during the IVA2 reset, but is currently
> using direct CM register accesses for this purpose. Implement a new API so
> the PM code can use this instead.
>
> Signed-off-by: Tero Kristo <t-kristo@xxxxxx>
> ---
> arch/arm/mach-omap2/cm3xxx.c | 6 ++++++
> arch/arm/mach-omap2/cm3xxx.h | 1 +
> arch/arm/mach-omap2/pm34xx.c | 3 +--
> 3 files changed, 8 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/cm3xxx.c b/arch/arm/mach-omap2/cm3xxx.c
> index 55bf939..b0509b9 100644
> --- a/arch/arm/mach-omap2/cm3xxx.c
> +++ b/arch/arm/mach-omap2/cm3xxx.c
> @@ -696,6 +696,12 @@ void omap3_cm_force_iva_clk(bool enable)
> omap2_cm_write_mod_reg(val, OMAP3430_IVA2_MOD, CM_FCLKEN);
> }
>
> +bool omap3_cm_is_iva_active(void)
> +{
> + return omap2_cm_read_mod_reg(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKSTST) &
> + OMAP3430_CLKACTIVITY_IVA2_MASK;
> +}
> +
Please implement this as a generic clockdomain API that can be called for
any clockdomain.
- Paul
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