4.8-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Vittorio Gambaletta (VittGam) <linux-wirel...@vittgam.net>

commit 79e57dd113d307a6c74773b8aaecf5442068988a upstream.

The active_high LED of my Wistron DNMA-92 is still being recognized as
active_low on 4.7.6 mainline. When I was preparing my former commit
0f9edcdd88a9 ("ath9k: Fix LED polarity for some Mini PCI AR9220 MB92
cards.") to fix that I must have somehow messed up with testing, because
I tested the final version of that patch before sending it, and it was
apparently working; but now it is not working on 4.7.6 mainline.

I initially added the PCI_DEVICE_SUB section for 0x0029/0x2096 above the
PCI_VDEVICE section for 0x0029; but then I moved the former below the
latter after seeing how 0x002A sections were sorted in the file.

This turned out to be wrong: if a generic PCI_VDEVICE entry (that has
both subvendor and subdevice IDs set to PCI_ANY_ID) is put before a more
specific one (PCI_DEVICE_SUB), then the generic PCI_VDEVICE entry will
match first and will be used.

With this patch, 0x0029/0x2096 has finally got active_high LED on 4.7.6.

While I'm at it, let's fix 0x002A too by also moving its generic definition
below its specific ones.

Fixes: 0f9edcdd88a9 ("ath9k: Fix LED polarity for some Mini PCI AR9220 MB92 
cards.")
Signed-off-by: Vittorio Gambaletta <linuxb...@vittgam.net>
[kv...@qca.qualcomm.com: improve the commit log based on email discussions]
Signed-off-by: Kalle Valo <kv...@qca.qualcomm.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/net/wireless/ath/ath9k/pci.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -26,7 +26,6 @@ static const struct pci_device_id ath_pc
        { PCI_VDEVICE(ATHEROS, 0x0023) }, /* PCI   */
        { PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */
        { PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI   */
-       { PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
 
 #ifdef CONFIG_ATH9K_PCOEM
        /* Mini PCI AR9220 MB92 cards: Compex WLM200NX, Wistron DNMA-92 */
@@ -37,7 +36,7 @@ static const struct pci_device_id ath_pc
          .driver_data = ATH9K_PCI_LED_ACT_HI },
 #endif
 
-       { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
+       { PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
 
 #ifdef CONFIG_ATH9K_PCOEM
        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
@@ -85,7 +84,11 @@ static const struct pci_device_id ath_pc
                         0x10CF, /* Fujitsu */
                         0x1536),
          .driver_data = ATH9K_PCI_D3_L1_WAR },
+#endif
 
+       { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
+
+#ifdef CONFIG_ATH9K_PCOEM
        /* AR9285 card for Asus */
        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
                         0x002B,


Reply via email to