[PATCH] twl6030: Set WR_S for VMMC

[PATCH] twl6030: Set WR_S for VMMC

[Jan Weitzel]

After Reset VMMC goes to default VSEL. This is not a clean power cycle for
some SD cards.
Set flag WR_S for VMMC to avoid going to default VSEL.

Signed-off-by: Jan Weitzel <j.weitzel@phytec.de>
---
 drivers/mci/twl6030.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/mci/twl6030.c b/drivers/mci/twl6030.c
index 4a875bd..ad1043d 100644
--- a/drivers/mci/twl6030.c
+++ b/drivers/mci/twl6030.c
@@ -21,6 +21,7 @@ static int twl6030_mci_write(u8 address, u8 data)
 void twl6030_mci_power_init(void)
 {
 	twl6030_mci_write(TWL6030_PMCS_VMMC_CFG_VOLTAGE,
+			TWL6030_VMMC_WR_S | 
 			TWL6030_VMMC_VSEL_0 | TWL6030_VMMC_VSEL_2 |
 			TWL6030_VMMC_VSEL_4);
 	twl6030_mci_write(TWL6030_PMCS_VMMC_CFG_STATE,
-- 
1.7.0.4


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Re: [PATCH] twl6030: Set WR_S for VMMC

[Sascha Hauer]

On Tue, May 28, 2013 at 01:51:43PM +0200, Jan Weitzel wrote:
> After Reset VMMC goes to default VSEL. This is not a clean power cycle for
> some SD cards.
> Set flag WR_S for VMMC to avoid going to default VSEL.
> 
> Signed-off-by: Jan Weitzel <j.weitzel@phytec.de>

Applied, thanks

Sascha

> ---
>  drivers/mci/twl6030.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/mci/twl6030.c b/drivers/mci/twl6030.c
> index 4a875bd..ad1043d 100644
> --- a/drivers/mci/twl6030.c
> +++ b/drivers/mci/twl6030.c
> @@ -21,6 +21,7 @@ static int twl6030_mci_write(u8 address, u8 data)
>  void twl6030_mci_power_init(void)
>  {
>  	twl6030_mci_write(TWL6030_PMCS_VMMC_CFG_VOLTAGE,
> +			TWL6030_VMMC_WR_S | 
>  			TWL6030_VMMC_VSEL_0 | TWL6030_VMMC_VSEL_2 |
>  			TWL6030_VMMC_VSEL_4);
>  	twl6030_mci_write(TWL6030_PMCS_VMMC_CFG_STATE,
> -- 
> 1.7.0.4
> 
> 
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> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
> 

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