diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/mmci.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 5d20bfba3e49..e4d470704150 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -74,6 +74,7 @@ static unsigned int fmax = 515633; * @pwrreg_nopower: bits in MMCIPOWER don't controls ext. power supply * @explicit_mclk_control: enable explicit mclk control in driver. * @qcom_fifo: enables qcom specific fifo pio read logic. + * @reversed_irq_handling: handle data irq before cmd irq. */ struct variant_data { unsigned int clkreg; @@ -97,6 +98,7 @@ struct variant_data { bool pwrreg_nopower; bool explicit_mclk_control; bool qcom_fifo; + bool reversed_irq_handling; }; static struct variant_data variant_arm = { @@ -105,6 +107,7 @@ static struct variant_data variant_arm = { .datalength_bits = 16, .pwrreg_powerup = MCI_PWR_UP, .f_max = 100000000, + .reversed_irq_handling = true, }; static struct variant_data variant_arm_extended_fifo = { @@ -1236,8 +1239,13 @@ static irqreturn_t mmci_irq(int irq, void *dev_id) dev_dbg(mmc_dev(host->mmc), "irq0 (data+cmd) %08x\n", status); - mmci_cmd_irq(host, host->cmd, status); - mmci_data_irq(host, host->data, status); + if (host->variant->reversed_irq_handling) { + mmci_data_irq(host, host->data, status); + mmci_cmd_irq(host, host->cmd, status); + } else { + mmci_cmd_irq(host, host->cmd, status); + mmci_data_irq(host, host->data, status); + } /* Don't poll for busy completion in irq context. */ if (host->busy_status) |