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ath9k: merge a fix for a race condition on init 

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 40591
owl
Felix Fietkau 2014-04-29 15:52:08 +00:00
parent 11c23fded0
commit 5438bc68b5
5 changed files with 72 additions and 4 deletions
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68
package/kernel/mac80211/patches/300-pending_work.patch
View File

@ -1,3 +1,18 @@
commit 8c7ae357cc5b6bd037ad2d666e9f3789cf882925
Author: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Date: Wed Apr 23 15:07:57 2014 +0530
ath9k: fix race in setting ATH_OP_INVALID
The commit "ath9k: move sc_flags to ath_common" moved setting
ATH_OP_INVALID flag below ieee80211_register_hw. This is causing
the flag never being cleared randomly as the drv_start is called
prior to setting flag. Fix this by setting the flag prior to
register_hw.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
commit c82552c5b0cb1735dbcbad78b1ffc6d3c212dc56
Author: Tim Harvey <tharvey@gateworks.com>
Date: Mon Apr 21 16:14:57 2014 -0700
@ -308,3 +323,56 @@ Date: Sun Apr 6 23:35:28 2014 +0200
} while (1);
if (!(ah->imask & ATH9K_INT_RXEOL)) {
--- a/drivers/net/wireless/ath/ath9k/ahb.c
+++ b/drivers/net/wireless/ath/ath9k/ahb.c
@@ -86,7 +86,6 @@ static int ath_ahb_probe(struct platform
int irq;
int ret = 0;
struct ath_hw *ah;
- struct ath_common *common;
char hw_name[64];
if (!dev_get_platdata(&pdev->dev)) {
@@ -146,9 +145,6 @@ static int ath_ahb_probe(struct platform
wiphy_info(hw->wiphy, "%s mem=0x%lx, irq=%d\n",
hw_name, (unsigned long)mem, irq);
- common = ath9k_hw_common(sc->sc_ah);
- /* Will be cleared in ath9k_start() */
- set_bit(ATH_OP_INVALID, &common->op_flags);
return 0;
err_irq:
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -781,6 +781,9 @@ int ath9k_init_device(u16 devid, struct
common = ath9k_hw_common(ah);
ath9k_set_hw_capab(sc, hw);
+ /* Will be cleared in ath9k_start() */
+ set_bit(ATH_OP_INVALID, &common->op_flags);
+
/* Initialize regulatory */
error = ath_regd_init(&common->regulatory, sc->hw->wiphy,
ath9k_reg_notifier);
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -784,7 +784,6 @@ static int ath_pci_probe(struct pci_dev
{
struct ath_softc *sc;
struct ieee80211_hw *hw;
- struct ath_common *common;
u8 csz;
u32 val;
int ret = 0;
@@ -877,10 +876,6 @@ static int ath_pci_probe(struct pci_dev
wiphy_info(hw->wiphy, "%s mem=0x%lx, irq=%d\n",
hw_name, (unsigned long)sc->mem, pdev->irq);
- /* Will be cleared in ath9k_start() */
- common = ath9k_hw_common(sc->sc_ah);
- set_bit(ATH_OP_INVALID, &common->op_flags);
-
return 0;
err_init:

2
package/kernel/mac80211/patches/502-ath9k_ahb_init.patch
View File

@ -1,6 +1,6 @@
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -892,23 +892,23 @@ static int __init ath9k_init(void)
@@ -895,23 +895,23 @@ static int __init ath9k_init(void)
{
int error;

2
package/kernel/mac80211/patches/530-ath9k_extra_leds.patch
View File

@ -162,7 +162,7 @@
void ath_fill_led_pin(struct ath_softc *sc)
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -806,7 +806,7 @@ int ath9k_init_device(u16 devid, struct
@@ -809,7 +809,7 @@ int ath9k_init_device(u16 devid, struct
#ifdef CPTCFG_MAC80211_LEDS
/* must be initialized before ieee80211_register_hw */

2
package/kernel/mac80211/patches/550-ath9k_entropy_from_adc.patch
View File

@ -84,7 +84,7 @@
int ath9k_init_device(u16 devid, struct ath_softc *sc,
const struct ath_bus_ops *bus_ops)
{
@@ -813,6 +826,8 @@ int ath9k_init_device(u16 devid, struct
@@ -816,6 +829,8 @@ int ath9k_init_device(u16 devid, struct
ARRAY_SIZE(ath9k_tpt_blink));
#endif

2
package/kernel/mac80211/patches/552-ath9k_p2p_ps_support.patch
View File

@ -225,7 +225,7 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org>
ath9k_cmn_init_crypto(sc->sc_ah);
ath9k_init_misc(sc);
ath_fill_led_pin(sc);
@@ -870,6 +873,9 @@ static void ath9k_deinit_softc(struct at
@@ -873,6 +876,9 @@ static void ath9k_deinit_softc(struct at
{
int i = 0;