wifi: mt76: mt7915: fallback to non-wed mode if platform_get_resource fails in mt7915...

mt76 assumes mt7915_mmio_wed_init can fail just after wed driver has
been attached running mtk_wed_device_attach().
Fall back to non-wed mode if platform_get_resource fails in
mt7915_mmio_wed_init routines.

Fixes: eebb70976be5 ("wifi: mt76: mt7915: enable wed for mt7986-wmac chipset")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
index c404c90b58a68bfbc4de6e6fd25bd22dff994db4..aff4f21e843d29ae24b1ef094b407e344597bf36 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
@@ -636,7 +636,7 @@ int mt7915_mmio_wed_init(struct mt7915_dev *dev, void *pdev_ptr,
 
                res = platform_get_resource(plat_dev, IORESOURCE_MEM, 0);
                if (!res)
-                       return -ENOMEM;
+                       return 0;
 
                wed->wlan.platform_dev = plat_dev;
                wed->wlan.bus_type = MTK_WED_BUS_AXI;