mmc: rtsx: add R1-no-CRC mmc command type handle
authorMicky Ching <micky_ching@realsil.com.cn>
Thu, 27 Mar 2014 05:35:04 +0000 (13:35 +0800)
committerChris Ball <chris@printf.net>
Tue, 22 Apr 2014 11:06:40 +0000 (07:06 -0400)
a27fbf2f067b0cd ("mmc: add ignorance case for CMD13 CRC error") produced
a cmd.flags unhandled in realtek pci host driver.  This will make MMC
card fail to 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>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <chris@printf.net>
drivers/mmc/host/rtsx_pci_sdmmc.c

index 8c2dd304a7ab6728b353610edcbb6743e9d85743..76cfdcc17c476e5f0e73dee80e264d34feb0b0ce 100644 (file)
@@ -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;