From: Micky Ching <micky_ching@xxxxxxxxxxxxxx>
Return error-code directly if no card exist, this can
make card remove faster.
Signed-off-by: Micky Ching <micky_ching@xxxxxxxxxxxxxx>
---
drivers/mmc/host/rtsx_pci_sdmmc.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
index 26c6a7c..b435806 100644
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -100,6 +100,11 @@ static void sd_print_debug_regs(struct realtek_pci_sdmmc *host)
#define sd_print_debug_regs(host)
#endif /* DEBUG */
+static inline int sd_get_cd_int(struct realtek_pci_sdmmc *host)
+{
+ return rtsx_pci_readl(host->pcr, RTSX_BIPR) & SD_EXIST;
+}
+
static void sd_cmd_set_sd_cmd(struct rtsx_pcr *pcr, struct mmc_command *cmd)
{
rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CMD0, 0xFF,
@@ -798,7 +803,7 @@ static void sd_request(struct work_struct *work)
unsigned int data_size = 0;
int err;
- if (host->eject) {
+ if (host->eject || !sd_get_cd_int(host)) {
cmd->error = -ENOMEDIUM;
goto finish;
}
@@ -1116,7 +1121,7 @@ static int sdmmc_get_cd(struct mmc_host *mmc)
u32 val;
if (host->eject)
- return -ENOMEDIUM;
+ return cd;
mutex_lock(&pcr->pcr_mutex);
--
1.9.1
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