Hi,
On Thu, Oct 28, 2010 at 02:00:10AM -0400, zhangfei gao wrote:
> Thanks for your suggestion, here is updated version.
>
> >From 470140b629e3f044a0951368db8e3dc98ebd8ab3 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 | 6 ++++++
> 2 files changed, 8 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..8455c46 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;
>
Pushed to mmc-next for .38, thanks.
--
Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/>
One Laptop Per Child
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