Some controllers might prematurely issue a data timeout during an erase command. Add a quirk to disable the interrupt when an erase command is issued.
Signed-off-by: Faiz Abbas <[email protected]> --- drivers/mmc/host/sdhci.c | 5 +++++ drivers/mmc/host/sdhci.h | 2 ++ 2 files changed, 7 insertions(+) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 2f5f64efad16..608f7306742c 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1522,6 +1522,11 @@ void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd) /* Initially, a command has no error */ cmd->error = 0; + if (cmd->opcode == MMC_ERASE && + (host->quirks2 & SDHCI_QUIRK2_DISABLE_DTO_FOR_ERASE)) { + sdhci_set_data_timeout_irq(host, false); + } + if ((host->quirks2 & SDHCI_QUIRK2_STOP_WITH_TC) && cmd->opcode == MMC_STOP_TRANSMISSION) cmd->flags |= MMC_RSP_BUSY; diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 6ff3e29791ee..60282721f827 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -479,6 +479,8 @@ struct sdhci_host { * block count. */ #define SDHCI_QUIRK2_USE_32BIT_BLK_CNT (1<<18) +/* Controller needs to disable DTO for erase command */ +#define SDHCI_QUIRK2_DISABLE_DTO_FOR_ERASE (1<<19) int irq; /* Device IRQ */ void __iomem *ioaddr; /* Mapped address */ -- 2.19.2
