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- sdhci: Avoid hang when receiving spurious CARD_INT interrupts
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Merge tag 'mmc-v4.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC fix from Ulf Hansson:
 "MMC host: sdhci: Avoid hang when receiving spurious CARD_INT
  interrupts"

* tag 'mmc-v4.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: sdhci: Ignore unexpected CARD_INT interrupts
This commit is contained in:
Linus Torvalds 2017-02-03 12:01:54 -08:00
commit cd44691f71
1 changed files with 2 additions and 1 deletions
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3
drivers/mmc/host/sdhci.c
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@ -2733,7 +2733,8 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id)
if (intmask & SDHCI_INT_RETUNE)
mmc_retune_needed(host->mmc);
if (intmask & SDHCI_INT_CARD_INT) {
if ((intmask & SDHCI_INT_CARD_INT) &&
(host->ier & SDHCI_INT_CARD_INT)) {
sdhci_enable_sdio_irq_nolock(host, false);
host->thread_isr |= SDHCI_INT_CARD_INT;
result = IRQ_WAKE_THREAD;