Re: [PATCH v2 1/2] mmc: rtsx: add R1-no-CRC mmc command type handle

[micky <micky_ching@realsil.com.cn>]

Hi Chris and Ulf,

This patch should be applied to 3.15(rc), 3.14, 3.13.
without this patch the MMC card can not identified.

Best Regards.
micky.
On 03/27/2014 01:35 PM, micky_ching@realsil.com.cn wrote:
> From: Micky Ching <micky_ching@realsil.com.cn>
>
> commit a27fbf2f067b0cd6f172c8b696b9a44c58bfaa7a
> <mmc: add ignorance case for CMD13 CRC error>
> produced a cmd.flags unhandled in realtek pci host driver.
> This will make MMC card failed initialize, this patch is
> used to handle the new cmd.flags condition and MMC card can be used.
>
> Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
> ---
>   drivers/mmc/host/rtsx_pci_sdmmc.c |    3 +++
>   1 file changed, 3 insertions(+)
>
> diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
> index 5fb994f..0d8904a 100644
> --- a/drivers/mmc/host/rtsx_pci_sdmmc.c
> +++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
> @@ -346,6 +346,9 @@ static void sd_send_cmd(struct realtek_pci_sdmmc *host, struct mmc_command *cmd)
>   	case MMC_RSP_R1:
>   		rsp_type = SD_RSP_TYPE_R1;
>   		break;
> +	case MMC_RSP_R1 & ~MMC_RSP_CRC:
> +		rsp_type = SD_RSP_TYPE_R1 | SD_NO_CHECK_CRC7;
> +		break;
>   	case MMC_RSP_R1B:
>   		rsp_type = SD_RSP_TYPE_R1b;
>   		break;