tty: isicom, enable/disable pci device

Don't forget to enable and disable PCI devices.  The device might be
unusable without that.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index 4f3cefa8eb0e..a1a67e3d52cc 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -1736,6 +1736,12 @@ static int __devinit isicom_probe(struct pci_dev *pdev,
         if (card_count >= BOARD_COUNT)
                 goto err;
 
+        retval = pci_enable_device(pdev);
+        if (retval) {
+                dev_err(&pdev->dev, "failed to enable\n");
+                goto err;
+        }
+
         dev_info(&pdev->dev, "ISI PCI Card(Device ID 0x%x)\n", ent->device);
 
         /* allot the first empty slot in the array */
@@ -1790,6 +1796,7 @@ errunrr:
 errdec:
         board->base = 0;
         card_count--;
+        pci_disable_device(pdev);
 err:
         return retval;
 }
@@ -1806,6 +1813,7 @@ static void __devexit isicom_remove(struct pci_dev *pdev)
         pci_release_region(pdev, 3);
         board->base = 0;
         card_count--;
+        pci_disable_device(pdev);
 }
 
 static int __init isicom_init(void)