mmc: sdhci-pci: Add MSI support

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Chris Ball <cjb@laptop.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 3cb9abf67d82..bc666a4ed604 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -1385,6 +1385,8 @@ static int __devinit sdhci_pci_probe(struct pci_dev *pdev,
 
         slots = chip->num_slots;        /* Quirk may have changed this */
 
+        pci_enable_msi(pdev);
+
         for (i = 0; i < slots; i++) {
                 slot = sdhci_pci_probe_slot(pdev, chip, first_bar, i);
                 if (IS_ERR(slot)) {
@@ -1403,6 +1405,8 @@ static int __devinit sdhci_pci_probe(struct pci_dev *pdev,
         return 0;
 
 free:
+        pci_disable_msi(pdev);
+
         pci_set_drvdata(pdev, NULL);
         kfree(chip);
 
@@ -1425,6 +1429,8 @@ static void __devexit sdhci_pci_remove(struct pci_dev *pdev)
                 for (i = 0; i < chip->num_slots; i++)
                         sdhci_pci_remove_slot(chip->slots[i]);
 
+                pci_disable_msi(pdev);
+
                 pci_set_drvdata(pdev, NULL);
                 kfree(chip);
         }