ipw2100: fix rebooting hang with driver loaded

Add PCI .shutdown method so that we can disable the device during
shutdown or reboot. Without this, the reboot doesn't work well on
some platforms.

This fixes http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2124

Tested-by: pablo <pablolm2005@gmail.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c
index 6c836c892e43..17a9cb3528fc 100644
--- a/drivers/net/wireless/ipw2x00/ipw2100.c
+++ b/drivers/net/wireless/ipw2x00/ipw2100.c
@@ -6573,6 +6573,16 @@ static int ipw2100_resume(struct pci_dev *pci_dev)
 }
 #endif
 
+static void ipw2100_shutdown(struct pci_dev *pci_dev)
+{
+        struct ipw2100_priv *priv = pci_get_drvdata(pci_dev);
+
+        /* Take down the device; powers it off, etc. */
+        ipw2100_down(priv);
+
+        pci_disable_device(pci_dev);
+}
+
 #define IPW2100_DEV_ID(x) { PCI_VENDOR_ID_INTEL, 0x1043, 0x8086, x }
 
 static struct pci_device_id ipw2100_pci_id_table[] __devinitdata = {
@@ -6636,6 +6646,7 @@ static struct pci_driver ipw2100_pci_driver = {
         .suspend = ipw2100_suspend,
         .resume = ipw2100_resume,
 #endif
+        .shutdown = ipw2100_shutdown,
 };
 
 /**