diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2014-09-24 10:27:27 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2014-10-03 14:18:17 +0200 |
| commit | 615413979487a1e25a3b76abbaa316280ca19d26 (patch) | |
| tree | ac3e964bfd380f9bfe01b7c353fa64e9d0a6925f /drivers/mmc | |
| parent | 89168b48991537bec2573b3b6a8841df74465b12 (diff) | |
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 <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 8 |
1 files changed, 6 insertions, 2 deletions
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); |