[PATCH] OMAP4:Fix -EINVAL for vana, vcxio, vdac

Krishnamoorthy, Balaji T balajitk at ti.com
Fri Feb 18 00:18:17 EST 2011


On Mon, Feb 7, 2011 at 8:59 PM, Balaji T K <balajitk at ti.com> wrote:
> Fixed regulators in twl6030 do not have set_voltage hook.
> Regulator core returns -22 if set_voltage is NULL and apply_uV is set
> while applying the constraint to set voltage resulting in failure during probe
> of these regulators.
> Do not set apply_uV for fixed regulators which don't have set_voltage.

Hi Tony,

Any comments on this patch.
If not can you queue this.

>
> machine_constraints_voltage: VANA: failed to apply 2100000uV constraint
> twl_reg twl_reg.43: can't register VANA, -22
> twl_reg: probe of twl_reg.43 failed with error -22
> machine_constraints_voltage: VCXIO: failed to apply 1800000uV constraint
> twl_reg twl_reg.44: can't register VCXIO, -22
> twl_reg: probe of twl_reg.44 failed with error -22
> machine_constraints_voltage: VDAC: failed to apply 1800000uV constraint
> twl_reg twl_reg.45: can't register VDAC, -22
> twl_reg: probe of twl_reg.45 failed with error -22
>
> Signed-off-by: Balaji T K <balajitk at ti.com>
> ---
> Boot tested on OMAP4SDP with omap2plus_defconfig
>
>  arch/arm/mach-omap2/board-4430sdp.c    |    3 ---
>  arch/arm/mach-omap2/board-omap4panda.c |    3 ---
>  2 files changed, 0 insertions(+), 6 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
> index 07d1b20..1b16525 100644
> --- a/arch/arm/mach-omap2/board-4430sdp.c
> +++ b/arch/arm/mach-omap2/board-4430sdp.c
> @@ -434,7 +434,6 @@ static struct regulator_init_data sdp4430_vana = {
>        .constraints = {
>                .min_uV                 = 2100000,
>                .max_uV                 = 2100000,
> -               .apply_uV               = true,
>                .valid_modes_mask       = REGULATOR_MODE_NORMAL
>                                        | REGULATOR_MODE_STANDBY,
>                .valid_ops_mask  = REGULATOR_CHANGE_MODE
> @@ -446,7 +445,6 @@ static struct regulator_init_data sdp4430_vcxio = {
>        .constraints = {
>                .min_uV                 = 1800000,
>                .max_uV                 = 1800000,
> -               .apply_uV               = true,
>                .valid_modes_mask       = REGULATOR_MODE_NORMAL
>                                        | REGULATOR_MODE_STANDBY,
>                .valid_ops_mask  = REGULATOR_CHANGE_MODE
> @@ -458,7 +456,6 @@ static struct regulator_init_data sdp4430_vdac = {
>        .constraints = {
>                .min_uV                 = 1800000,
>                .max_uV                 = 1800000,
> -               .apply_uV               = true,
>                .valid_modes_mask       = REGULATOR_MODE_NORMAL
>                                        | REGULATOR_MODE_STANDBY,
>                .valid_ops_mask  = REGULATOR_CHANGE_MODE
> diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
> index e001a04..3686533 100644
> --- a/arch/arm/mach-omap2/board-omap4panda.c
> +++ b/arch/arm/mach-omap2/board-omap4panda.c
> @@ -305,7 +305,6 @@ static struct regulator_init_data omap4_panda_vana = {
>        .constraints = {
>                .min_uV                 = 2100000,
>                .max_uV                 = 2100000,
> -               .apply_uV               = true,
>                .valid_modes_mask       = REGULATOR_MODE_NORMAL
>                                        | REGULATOR_MODE_STANDBY,
>                .valid_ops_mask  = REGULATOR_CHANGE_MODE
> @@ -317,7 +316,6 @@ static struct regulator_init_data omap4_panda_vcxio = {
>        .constraints = {
>                .min_uV                 = 1800000,
>                .max_uV                 = 1800000,
> -               .apply_uV               = true,
>                .valid_modes_mask       = REGULATOR_MODE_NORMAL
>                                        | REGULATOR_MODE_STANDBY,
>                .valid_ops_mask  = REGULATOR_CHANGE_MODE
> @@ -329,7 +327,6 @@ static struct regulator_init_data omap4_panda_vdac = {
>        .constraints = {
>                .min_uV                 = 1800000,
>                .max_uV                 = 1800000,
> -               .apply_uV               = true,
>                .valid_modes_mask       = REGULATOR_MODE_NORMAL
>                                        | REGULATOR_MODE_STANDBY,
>                .valid_ops_mask  = REGULATOR_CHANGE_MODE
> --
> 1.7.0.4
>
>



More information about the linux-arm-kernel mailing list