We find tuning timeout because of the secure erase operation lasts too long so not to do tuning when device is busy.
Signed-off-by: Yi Sun <[email protected]> --- drivers/mmc/host/sdhci.c | 7 ++++--- drivers/mmc/host/sdhci.h | 1 + 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 47055f3..6a584d7 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1355,11 +1355,12 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq) present_state = sdhci_readl(host, SDHCI_PRESENT_STATE); /* * Check if the re-tuning timer has already expired and there - * is no on-going data transfer. If so, we need to execute - * tuning procedure before sending command. + * is no on-going data transfer and DAT0 is not busy. If so, + * we need to execute tuning procedure before sending command. */ if ((host->flags & SDHCI_NEEDS_RETUNING) && - !(present_state & (SDHCI_DOING_WRITE | SDHCI_DOING_READ))) { + !(present_state & (SDHCI_DOING_WRITE | SDHCI_DOING_READ)) && + (present_state & SDHCI_DATA_0_LVL_MASK)) { if (mmc->card) { /* eMMC uses cmd21 but sd and sdio use cmd19 */ tuning_opcode = diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 4a5cd5e..0ae6b99d 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -72,6 +72,7 @@ #define SDHCI_WRITE_PROTECT 0x00080000 #define SDHCI_DATA_LVL_MASK 0x00F00000 #define SDHCI_DATA_LVL_SHIFT 20 +#define SDHCI_DATA_0_LVL_MASK 0x00100000 #define SDHCI_HOST_CONTROL 0x28 #define SDHCI_CTRL_LED 0x01 -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
