mmc: rtsx: add R1-no-CRC mmc command type handle

commit 5027251eced6e34315a52bd841279df957f627bb upstream.

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>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>

diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
index 375a880e0c5fb899efa5a2de9b77543fcf66d12d..54e8ba45c3ad343e76be8b255372d144cc7d8875 100644 (file)
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -246,6 +246,9 @@ static void sd_send_cmd_get_rsp(struct realtek_pci_sdmmc *host,
        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;