sdhci: release irq during suspend

Release the device's irq during sleep, as all well-behaved drivers
should.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index f3260ec61fe9..d749f08601b8 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -1079,6 +1079,13 @@ static int sdhci_suspend (struct pci_dev *pdev, pm_message_t state)
 
         pci_save_state(pdev);
         pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
+
+        for (i = 0;i < chip->num_slots;i++) {
+                if (!chip->hosts[i])
+                        continue;
+                free_irq(chip->hosts[i]->irq, chip->hosts[i]);
+        }
+
         pci_disable_device(pdev);
         pci_set_power_state(pdev, pci_choose_state(pdev, state));
 
@@ -1107,6 +1114,11 @@ static int sdhci_resume (struct pci_dev *pdev)
                         continue;
                 if (chip->hosts[i]->flags & SDHCI_USE_DMA)
                         pci_set_master(pdev);
+                ret = request_irq(chip->hosts[i]->irq, sdhci_irq,
+                        IRQF_SHARED, chip->hosts[i]->slot_descr,
+                        chip->hosts[i]);
+                if (ret)
+                        return ret;
                 sdhci_init(chip->hosts[i]);
                 mmiowb();
                 ret = mmc_resume_host(chip->hosts[i]->mmc);