The speed patch is not needed.
>> + else
>> + host->mmc->f_max = 50000000;
>
The mmc/core layer sets the speed and in my testing this works fine.
Philip
On Oct 27, 2010, at 8:34 PM, Philip Rakity wrote:
>
> Zhangfei,
>
> The patch mixes speed setting and setting the NON_REMOVABLE caps in one patch. I would prefer to separate these into 2 separate patches.
>
> thanks,
>
> Philp
>
>
> On Oct 27, 2010, at 7:54 PM, zhangfei gao wrote:
>
>> From 7f3529c21815990ebe4eec684e3c96156f774637 Mon Sep 17 00:00:00 2001
>> From: Zhangfei Gao <zhangfei.gao@xxxxxxxxxxx>
>> Date: Thu, 28 Oct 2010 10:44:15 -0400
>> Subject: [PATCH] sdhci-pxa: add MMC_CAP_NONREMOVABLE for on-chip device
>>
>> To share SDHCI_QUIRK_BROKEN_CARD_DETECTION for on-chip device,
>> MMC_CAP_NONREMOVABLE also needed, otherwise polling mode used by
>> default
>>
>> Signed-off-by: Zhangfei Gao <zhangfei.gao@xxxxxxxxxxx>
>> CC: Philip Rakity <prakity@xxxxxxxxxxx>
>> ---
>> arch/arm/plat-pxa/include/plat/sdhci.h | 2 ++
>> drivers/mmc/host/sdhci-pxa.c | 8 ++++++++
>> 2 files changed, 10 insertions(+), 0 deletions(-)
>>
>> diff --git a/arch/arm/plat-pxa/include/plat/sdhci.h
>> b/arch/arm/plat-pxa/include/plat/sdhci.h
>> index e49c5b6..fc5ceab 100644
>> --- a/arch/arm/plat-pxa/include/plat/sdhci.h
>> +++ b/arch/arm/plat-pxa/include/plat/sdhci.h
>> @@ -16,6 +16,8 @@
>> /* pxa specific flag */
>> /* Require clock free running */
>> #define PXA_FLAG_DISABLE_CLOCK_GATING (1<<0)
>> +/* card alwayes wired to host, like on-chip emmc */
>> +#define PXA_FLAG_CARD_PERMANENT (1<<1)
>>
>> /*
>> * struct pxa_sdhci_platdata() - Platform device data for PXA SDHCI
>> diff --git a/drivers/mmc/host/sdhci-pxa.c b/drivers/mmc/host/sdhci-pxa.c
>> index fc406ac..a88c797 100644
>> --- a/drivers/mmc/host/sdhci-pxa.c
>> +++ b/drivers/mmc/host/sdhci-pxa.c
>> @@ -138,6 +138,12 @@ static int __devinit sdhci_pxa_probe(struct
>> platform_device *pdev)
>> host->irq = irq;
>> host->quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
>>
>> + if (pxa->pdata->flags & PXA_FLAG_CARD_PERMANENT) {
>> + /* on-chip device */
>> + host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
>> + host->mmc->caps = MMC_CAP_NONREMOVABLE;
>> + }
>> +
>> if (pdata->quirks)
>> host->quirks |= pdata->quirks;
>>
>> @@ -149,6 +155,8 @@ static int __devinit sdhci_pxa_probe(struct
>> platform_device *pdev)
>>
>> if (pxa->pdata->max_speed)
>> host->mmc->f_max = pxa->pdata->max_speed;
>> + else
>> + host->mmc->f_max = 50000000;
>>
>> platform_set_drvdata(pdev, host);
>>
>> --
>> 1.7.0.4
>> <0001-sdhci-pxa-add-MMC_CAP_NONREMOVABLE-for-on-chip-devic.patch>
>
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
