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Fix firmware issues with iwl4965 and rfkill (rhbz 977053)

This commit is contained in:
Josh Boyer 2013-08-01 08:34:36 -04:00
parent 0a6c27ad88
commit 652a694987
2 changed files with 66 additions and 1 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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11
kernel.spec
View File

@ -62,7 +62,7 @@ Summary: The Linux kernel
# For non-released -rc kernels, this will be appended after the rcX and
# gitX tags, so a 3 here would become part of release "0.rcX.gitX.3"
#
%global baserelease 200
%global baserelease 201
%global fedora_build %{baserelease}
# base_sublevel is the kernel version we're starting with and patching
@ -820,6 +820,9 @@ Patch25069: iwlwifi-dvm-fix-calling-ieee80211_chswitch_done-with-NULL.patch
#rhbz 969473
Patch25070: Input-elantech-fix-for-newer-hardware-versions-v7.patch
#rhbz 977053
Patch25073: iwl4965-reset-firmware-after-rfkill-off.patch
# END OF PATCH DEFINITIONS
%endif
@ -1578,6 +1581,9 @@ ApplyPatch iwlwifi-dvm-fix-calling-ieee80211_chswitch_done-with-NULL.patch
#rhbz 969473
ApplyPatch Input-elantech-fix-for-newer-hardware-versions-v7.patch
#rhbz 977053
ApplyPatch iwl4965-reset-firmware-after-rfkill-off.patch
# END OF PATCH APPLICATIONS
%endif
@ -2423,6 +2429,9 @@ fi
# ||----w |
# || ||
%changelog
* Thu Aug 01 2013 Josh Boyer <jwboyer@redhat.com>
- Fix firmware issues with iwl4965 and rfkill (rhbz 977053)
* Mon Jul 29 2013 Josh Boyer <jwboyer@redhat.com>
- Add support for elantech v7 devices (rhbz 969473)