diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-18 09:38:54 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-18 09:38:54 +0200 |
| commit | 412a5feba414127a6c69452dfad454086867011f (patch) | |
| tree | bf5934b41bff82f4ec69283d10fb1a799f42a641 /drivers/mmc/host/dw_mmc.c | |
| parent | 5f0ac3a1dae17ec0af6b845376247d7cc948ea3d (diff) | |
| parent | 519d81956ee277b4419c723adfb154603c2565ba (diff) | |
Merge 5.15-rc6 into tty-next
We need the serial/tty fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/mmc/host/dw_mmc.c')
| -rw-r--r-- | drivers/mmc/host/dw_mmc.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 6578cc64ae9e..380f9aa56eb2 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -1802,10 +1802,15 @@ static enum hrtimer_restart dw_mci_fault_timer(struct hrtimer *t) spin_lock_irqsave(&host->irq_lock, flags); - if (!host->data_status) + /* + * Only inject an error if we haven't already got an error or data over + * interrupt. + */ + if (!host->data_status) { host->data_status = SDMMC_INT_DCRC; - set_bit(EVENT_DATA_ERROR, &host->pending_events); - tasklet_schedule(&host->tasklet); + set_bit(EVENT_DATA_ERROR, &host->pending_events); + tasklet_schedule(&host->tasklet); + } spin_unlock_irqrestore(&host->irq_lock, flags); @@ -2721,12 +2726,16 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) } if (pending & DW_MCI_DATA_ERROR_FLAGS) { + spin_lock(&host->irq_lock); + /* if there is an error report DATA_ERROR */ mci_writel(host, RINTSTS, DW_MCI_DATA_ERROR_FLAGS); host->data_status = pending; smp_wmb(); /* drain writebuffer */ set_bit(EVENT_DATA_ERROR, &host->pending_events); tasklet_schedule(&host->tasklet); + + spin_unlock(&host->irq_lock); } if (pending & SDMMC_INT_DATA_OVER) { |