From 615413979487a1e25a3b76abbaa316280ca19d26 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Wed, 24 Sep 2014 10:27:27 +0300 Subject: mmc: sdhci: Add quirk for always getting TC with stop cmd Add a quirk for a host controller that always sets a Transfer Complete interrupt status for the stop command even when a busy response is not indicated. Signed-off-by: Adrian Hunter Signed-off-by: Ulf Hansson --- drivers/mmc/host/sdhci.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'drivers/mmc/host/sdhci.c') diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index cbd433712756..a932f70bcc51 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2225,7 +2225,7 @@ static void sdhci_tuning_timer(unsigned long data) * * \*****************************************************************************/ -static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask) +static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask, u32 *mask) { BUG_ON(intmask == 0); @@ -2272,6 +2272,9 @@ static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask) /* The controller does not support the end-of-busy IRQ, * fall through and take the SDHCI_INT_RESPONSE */ + } else if ((host->quirks2 & SDHCI_QUIRK2_STOP_WITH_TC) && + host->cmd->opcode == MMC_STOP_TRANSMISSION && !host->data) { + *mask &= ~SDHCI_INT_DATA_END; } if (intmask & SDHCI_INT_RESPONSE) @@ -2481,7 +2484,8 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id) } if (intmask & SDHCI_INT_CMD_MASK) - sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK); + sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK, + &intmask); if (intmask & SDHCI_INT_DATA_MASK) sdhci_data_irq(host, intmask & SDHCI_INT_DATA_MASK); -- cgit v1.2.3