1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
index f74b5adca642..468c92303167 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);
@@ -1122,6 +1136,10 @@ 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);