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authorSamuel Ortiz <sameo@linux.intel.com>2009-10-16 09:18:58 +0400
committerJohn W. Linville <linville@tuxdriver.com>2009-10-27 23:48:27 +0300
commit7fd6b12f329b7ec1c1e3ad49d701d2ac7ab42d9e (patch)
tree136a351338f339f89fdb74032e1f7785912f8437 /drivers/net/wireless/iwmc3200wifi
parent9829e1b510214956bc9d5e278be49d781e1a6fbf (diff)
downloadlinux-7fd6b12f329b7ec1c1e3ad49d701d2ac7ab42d9e.tar.xz
iwmc3200wifi: Support unexpected reboot barker
We can receive unexpected reboot barker at any time, and we're supposed to reset the whole device then. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwmc3200wifi')
-rw-r--r--drivers/net/wireless/iwmc3200wifi/rx.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c
index 5fa0a63ef0bf..bca3bb2d2dec 100644
--- a/drivers/net/wireless/iwmc3200wifi/rx.c
+++ b/drivers/net/wireless/iwmc3200wifi/rx.c
@@ -1321,6 +1321,14 @@ int iwm_rx_handle(struct iwm_priv *iwm, u8 *buf, unsigned long buf_size)
switch (le32_to_cpu(hdr->cmd)) {
case UMAC_REBOOT_BARKER:
+ if (test_bit(IWM_STATUS_READY, &iwm->status)) {
+ IWM_ERR(iwm, "Unexpected BARKER\n");
+
+ schedule_work(&iwm->reset_worker);
+
+ return 0;
+ }
+
return iwm_notif_send(iwm, NULL, IWM_BARKER_REBOOT_NOTIFICATION,
IWM_SRC_UDMA, buf, buf_size);
case UMAC_ACK_BARKER: