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path: root/drivers/mmc/host/rtsx_pci_sdmmc.c
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Diffstat (limited to 'drivers/mmc/host/rtsx_pci_sdmmc.c')
-rw-r--r--drivers/mmc/host/rtsx_pci_sdmmc.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
index f74b5adca642..f981f7d1f6e3 100644
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -678,12 +678,19 @@ static void sdmmc_request(struct mmc_host *mmc, struct mmc_request *mrq)
struct mmc_command *cmd = mrq->cmd;
struct mmc_data *data = mrq->data;
unsigned int data_size = 0;
+ int err;
if (host->eject) {
cmd->error = -ENOMEDIUM;
goto finish;
}
+ err = rtsx_pci_card_exclusive_check(host->pcr, RTSX_SD_CARD);
+ if (err) {
+ cmd->error = err;
+ goto finish;
+ }
+
mutex_lock(&pcr->pcr_mutex);
rtsx_pci_start_run(pcr);
@@ -901,6 +908,9 @@ static void sdmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
if (host->eject)
return;
+ if (rtsx_pci_card_exclusive_check(host->pcr, RTSX_SD_CARD))
+ return;
+
mutex_lock(&pcr->pcr_mutex);
rtsx_pci_start_run(pcr);
@@ -1073,6 +1083,10 @@ static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios)
if (host->eject)
return -ENOMEDIUM;
+ err = rtsx_pci_card_exclusive_check(host->pcr, RTSX_SD_CARD);
+ if (err)
+ return err;
+
mutex_lock(&pcr->pcr_mutex);
rtsx_pci_start_run(pcr);
@@ -1083,11 +1097,6 @@ static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios)
voltage = OUTPUT_1V8;
if (voltage == OUTPUT_1V8) {
- err = rtsx_pci_write_register(pcr,
- SD30_DRIVE_SEL, 0x07, DRIVER_TYPE_B);
- if (err < 0)
- goto out;
-
err = sd_wait_voltage_stable_1(host);
if (err < 0)
goto out;
@@ -1122,6 +1131,10 @@ static int sdmmc_execute_tuning(struct mmc_host *mmc, u32 opcode)
if (host->eject)
return -ENOMEDIUM;
+ err = rtsx_pci_card_exclusive_check(host->pcr, RTSX_SD_CARD);
+ if (err)
+ return err;
+
mutex_lock(&pcr->pcr_mutex);
rtsx_pci_start_run(pcr);