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Fix firmware issues with iwl4965 and rfkill (rhbz 977053)

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This commit is contained in:
Josh Boyer 2013-08-01 08:34:36 -04:00
parent 60007af702
commit b1910f0058
2 changed files with 63 additions and 0 deletions
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56
iwl4965-reset-firmware-after-rfkill-off.patch Normal file
View File

@ -0,0 +1,56 @@
Using rfkill switch can make firmware unstable, what cause various
Microcode errors and kernel warnings. Reseting firmware just after
rfkill off (radio on) helped with that.
Resolve:
https://bugzilla.redhat.com/show_bug.cgi?id=977053
Reported-and-tested-by: Justin Pearce <whitefox@guardianfox.net>
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
---
drivers/net/wireless/iwlegacy/4965-mac.c | 10 +++++-----
drivers/net/wireless/iwlegacy/common.c | 1 +
2 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
index f0b7794..f2ed62e 100644
--- a/drivers/net/wireless/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/iwlegacy/4965-mac.c
@@ -4460,12 +4460,12 @@ il4965_irq_tasklet(struct il_priv *il)
* is killed. Hence update the killswitch state here. The
* rfkill handler will care about restarting if needed.
*/
- if (!test_bit(S_ALIVE, &il->status)) {
- if (hw_rf_kill)
- set_bit(S_RFKILL, &il->status);
- else
- clear_bit(S_RFKILL, &il->status);
+ if (hw_rf_kill) {
+ set_bit(S_RFKILL, &il->status);
+ } else {
+ clear_bit(S_RFKILL, &il->status);
wiphy_rfkill_set_hw_state(il->hw->wiphy, hw_rf_kill);
+ il_force_reset(il, true);
}
handled |= CSR_INT_BIT_RF_KILL;
diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c
index 3195aad..b03e22e 100644
--- a/drivers/net/wireless/iwlegacy/common.c
+++ b/drivers/net/wireless/iwlegacy/common.c
@@ -4660,6 +4660,7 @@ il_force_reset(struct il_priv *il, bool external)
return 0;
}
+EXPORT_SYMBOL(il_force_reset);
int
il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
--
1.7.11.7
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7
kernel.spec
View File

@ -782,6 +782,9 @@ Patch25071: drm-i915-correctly-restore-fences-with-objects-attac.patch
#rhbz 989138
Patch25072: HID-Revert-Revert-HID-Fix-logitech-dj-missing-Unifying-device-issue.patch
#rhbz 977053
Patch25073: iwl4965-reset-firmware-after-rfkill-off.patch
# END OF PATCH DEFINITIONS
%endif
@ -1512,6 +1515,9 @@ ApplyPatch drm-i915-correctly-restore-fences-with-objects-attac.patch
#rhbz 989138
ApplyPatch HID-Revert-Revert-HID-Fix-logitech-dj-missing-Unifying-device-issue.patch
#rhbz 977053
ApplyPatch iwl4965-reset-firmware-after-rfkill-off.patch
# END OF PATCH APPLICATIONS
%endif
@ -2321,6 +2327,7 @@ fi
%changelog
* Thu Aug 01 2013 Josh Boyer <jwboyer@redhat.com>
- Fix firmware issues with iwl4965 and rfkill (rhbz 977053)
- Drop hid-logitech-dj patch that was breaking enumeration (rhbz 989138)
* Wed Jul 31 2013 Josh Boyer <jwboyer@redhat.com>