On Fri, Nov 14, 2008 at 2:49 AM, Grazvydas Ignotas <[EMAIL PROTECTED]> wrote:
> On Fri, Nov 14, 2008 at 8:41 AM, Steve Sakoman <[EMAIL PROTECTED]> wrote:
>> On Thu, Nov 13, 2008 at 3:06 PM, Tony Lindgren <[EMAIL PROTECTED]> wrote:
>>> * Grazvydas Ignotas <[EMAIL PROTECTED]> [081113 13:40]:
>>>> Some boards use input clock from external pin for MMC/SDIO
>>>> modules in OMAP chips. Make that option selectable instead of
>>>> forcing loop back clock on everyone.
>>>
>>> Thanks, pushing both today.
>>
>> Hmm . . . not sure if it is related to this patch, but I now get an
>> oops on Overo.
>
> Oops.. Haven't thought to try it without gpio_cd set up, in which case c->mmc
> is not set initialized.. Please try the following patch:
I did, and I am happy to report that it fixed the oops on mmc2 and my
wi2wi driver is happily working again.
Thanks!
Steve
> diff --git a/arch/arm/mach-omap2/mmc-twl4030.c
> b/arch/arm/mach-omap2/mmc-twl4030.c
> index 0ea6ba6..626d668 100644
> --- a/arch/arm/mach-omap2/mmc-twl4030.c
> +++ b/arch/arm/mach-omap2/mmc-twl4030.c
> @@ -239,6 +239,7 @@ static int twl_mmc1_set_power(struct device *dev, int
> slot, int power_on,
> u32 reg;
> int ret = 0;
> struct twl_mmc_controller *c = &hsmmc[0];
> + struct omap_mmc_platform_data *mmc = dev->platform_data;
>
> if (power_on) {
> if (cpu_is_omap2430()) {
> @@ -250,7 +251,7 @@ static int twl_mmc1_set_power(struct device *dev, int
> slot, int power_on,
> omap_ctrl_writel(reg, OMAP243X_CONTROL_DEVCONF1);
> }
>
> - if (c->mmc->slots[0].internal_clock) {
> + if (mmc->slots[0].internal_clock) {
> reg = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
> reg |= OMAP2_MMCSDIO1ADPCLKISEL;
> omap_ctrl_writel(reg, OMAP2_CONTROL_DEVCONF0);
> @@ -293,11 +294,11 @@ static int twl_mmc1_set_power(struct device *dev, int
> slot, int power_on,
> static int twl_mmc2_set_power(struct device *dev, int slot, int power_on,
> int vdd)
> {
> int ret;
> -
> struct twl_mmc_controller *c = &hsmmc[1];
> + struct omap_mmc_platform_data *mmc = dev->platform_data;
>
> if (power_on) {
> - if (c->mmc->slots[0].internal_clock) {
> + if (mmc->slots[0].internal_clock) {
> u32 reg;
>
> reg = omap_ctrl_readl(control_devconf1_offset);
>
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