> -----Original Message-----
> From: [email protected] [mailto:linux-
> [email protected]] On Behalf Of Abhilash K V
> Sent: Tuesday, August 23, 2011 6:51 PM
> To: [email protected]
> Cc: [email protected]; [email protected]; [email protected];
> [email protected]; [email protected]; Vaibhav Hiremath;
> Abhilash K V; [email protected]
> Subject: [PATCH v2 2/2] omap_twl: Prevent SR to enable for
> am3517/am3505devices
>
> From: Vaibhav Hiremath <[email protected]>
>
> In case of AM3517 & AM3505, Smart Reflex is not applicable so
> we must not enable it. So add check for absence of SR feature
> in omap3_twl_init() and return -ENODEV if absence, else continue.
>
> Signed-off-by: Vaibhav Hiremath <[email protected]>
> Signed-off-by: Abhilash K V <[email protected]>
> ---
> arch/arm/mach-omap2/id.c | 2 +-
> arch/arm/mach-omap2/omap_twl.c | 8 ++++++++
> arch/arm/plat-omap/include/plat/cpu.h | 2 ++
> 3 files changed, 11 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
> index 37efb86..da71098 100644
> --- a/arch/arm/mach-omap2/id.c
> +++ b/arch/arm/mach-omap2/id.c
> @@ -202,7 +202,7 @@ static void __init omap3_check_features(void)
> if (cpu_is_omap3630())
> omap_features |= OMAP3_HAS_192MHZ_CLK;
> if (!cpu_is_omap3505() && !cpu_is_omap3517())
> - omap_features |= OMAP3_HAS_IO_WAKEUP;
> + omap_features |= (OMAP3_HAS_IO_WAKEUP | OMAP3_HAS_SR);
>
> omap_features |= OMAP3_HAS_SDRC;
>
> diff --git a/arch/arm/mach-omap2/omap_twl.c b/arch/arm/mach-
> omap2/omap_twl.c
> index 07d6140..47e27b5 100644
> --- a/arch/arm/mach-omap2/omap_twl.c
> +++ b/arch/arm/mach-omap2/omap_twl.c
> @@ -269,6 +269,14 @@ int __init omap3_twl_init(void)
> if (!cpu_is_omap34xx())
> return -ENODEV;
>
> + /*
> + * In case of AM3517/AM3505 we should not be going down
> + * further, since SR is not applicable there.
> + */
> + if (!omap3_has_sr()) {
> + return -ENODEV;
> + }
I do not understand what has vp_max and vp_min configuration to do with
SR. This parameter indicates the maximum and minimum voltage supported by
respective PM IC.
Vishwa
> +
> if (cpu_is_omap3630()) {
> omap3_mpu_volt_info.vp_vddmin =
> OMAP3630_VP1_VLIMITTO_VDDMIN;
> omap3_mpu_volt_info.vp_vddmax =
> OMAP3630_VP1_VLIMITTO_VDDMAX;
> diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-
> omap/include/plat/cpu.h
> index 67b3d75..294e015 100644
> --- a/arch/arm/plat-omap/include/plat/cpu.h
> +++ b/arch/arm/plat-omap/include/plat/cpu.h
> @@ -491,6 +491,7 @@ extern u32 omap_features;
> #define OMAP4_HAS_MPU_1GHZ BIT(8)
> #define OMAP4_HAS_MPU_1_2GHZ BIT(9)
> #define OMAP4_HAS_MPU_1_5GHZ BIT(10)
> +#define OMAP3_HAS_SR BIT(11)
>
>
> #define OMAP3_HAS_FEATURE(feat,flag) \
> @@ -507,6 +508,7 @@ OMAP3_HAS_FEATURE(isp, ISP)
> OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
> OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
> OMAP3_HAS_FEATURE(sdrc, SDRC)
> +OMAP3_HAS_FEATURE(sr, SR)
>
> /*
> * Runtime detection of OMAP4 features
> --
> 1.7.1
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> [email protected]
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
