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path: root/drivers/mmc/host/rtsx_usb_sdmmc.c
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Diffstat (limited to 'drivers/mmc/host/rtsx_usb_sdmmc.c')
-rw-r--r--drivers/mmc/host/rtsx_usb_sdmmc.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/mmc/host/rtsx_usb_sdmmc.c b/drivers/mmc/host/rtsx_usb_sdmmc.c
index 5d3766e792f0..88af827e086b 100644
--- a/drivers/mmc/host/rtsx_usb_sdmmc.c
+++ b/drivers/mmc/host/rtsx_usb_sdmmc.c
@@ -435,6 +435,13 @@ static void sd_send_cmd_get_rsp(struct rtsx_usb_sdmmc *host,
}
if (rsp_type == SD_RSP_TYPE_R2) {
+ /*
+ * The controller offloads the last byte {CRC-7, end bit 1'b1}
+ * of response type R2. Assign dummy CRC, 0, and end bit to the
+ * byte(ptr[16], goes into the LSB of resp[3] later).
+ */
+ ptr[16] = 1;
+
for (i = 0; i < 4; i++) {
cmd->resp[i] = get_unaligned_be32(ptr + 1 + i * 4);
dev_dbg(sdmmc_dev(host), "cmd->resp[%d] = 0x%08x\n",
@@ -1329,6 +1336,7 @@ static void rtsx_usb_init_host(struct rtsx_usb_sdmmc *host)
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_BUS_WIDTH_TEST |
MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 | MMC_CAP_UHS_SDR50 |
MMC_CAP_NEEDS_POLL;
+ mmc->caps2 = MMC_CAP2_NO_PRESCAN_POWERUP | MMC_CAP2_FULL_PWR_CYCLE;
mmc->max_current_330 = 400;
mmc->max_current_180 = 800;
@@ -1445,7 +1453,6 @@ static struct platform_driver rtsx_usb_sdmmc_driver = {
.remove = rtsx_usb_sdmmc_drv_remove,
.id_table = rtsx_usb_sdmmc_ids,
.driver = {
- .owner = THIS_MODULE,
.name = "rtsx_usb_sdmmc",
},
};