This patch fixes a problem with wrong GPIOs being changed when the
wlan is on, which disables the wired network ports until the right
GPIO is turned back off. (see
https://lists.openwrt.org/pipermail/openwrt-devel/2012-December/018113.html).
The patch makes it only use the correct GPIO pin.
NOTE: this patch may interfere with other systems with chip id
brcm47162, I do not know how that works (if all brcm47162's have the
GPIO ports hooked up to the same LEDs etc.). If necessary/possible, a
check can be added for the Linksys E1000 V1.
In my source tree, I put it under
package/mac80211/patches/918-b43main-gpio-testing.patch
Thanks to Zajec for assistance with fixing this issue.
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2722,6 +2722,9 @@
} else if (dev->dev->chip_id == 0x5354) {
/* Don't allow overtaking buttons GPIOs */
set &= 0x2; /* 0x2 is LED GPIO on BCM5354 */
+ } else if (dev->dev->chip_id == 47162) {
+ /* only use the wlan LED GPIO (gpio 0 on Linksys E1000 V1) */
+ set &= 0x1;
}
if (0 /* FIXME: conditional unknown */ ) {
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