Patch "wifi: mt76: mt7915: fallback to non-wed mode if platform_get_resource fails in mt7915_mmio_wed_init()" has been added to the 6.7-stable tree

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This is a note to let you know that I've just added the patch titled

    wifi: mt76: mt7915: fallback to non-wed mode if platform_get_resource fails in mt7915_mmio_wed_init()

to the 6.7-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     wifi-mt76-mt7915-fallback-to-non-wed-mode-if-platfor.patch
and it can be found in the queue-6.7 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 8e9fb1425f9abe34ae867115e208a1be49fc23f8
Author: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
Date:   Fri Oct 20 12:45:19 2023 +0200

    wifi: mt76: mt7915: fallback to non-wed mode if platform_get_resource fails in mt7915_mmio_wed_init()
    
    [ Upstream commit 5f9d5d4fc561e7bd3a18742f1fdb96cab98f1870 ]
    
    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@xxxxxxxxxx>
    Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
index e7d8e03f826f..04a49ef67560 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
@@ -742,7 +742,7 @@ 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;




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