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mt76: add patch fixing firmware timeout on MT7996

This should be committed to mt76.git rather than a patch here.

package/kernel/mt76/patches/001-wifi-mt76-mt7996-fix-fw-loading-timeout.patch

@@ -0,0 +1,77 @@
+From patchwork Thu Dec 21 09:41:18 2023
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+From: Lorenzo Bianconi <lorenzo@kernel.org>
+To: nbd@nbd.name
+Cc: lorenzo.bianconi@redhat.com,
+	linux-wireless@vger.kernel.org,
+	sujuan.chen@mediatek.com
+Subject: [PATCH] wifi: mt76: mt7996: fix fw loading timeout
+Date: Thu, 21 Dec 2023 10:41:18 +0100
+Message-ID: 
+ <7c0df5b926c2fd6383cde8c9ee50b313443110ab.1703151499.git.lorenzo@kernel.org>
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+
+Fix the following firmware loading error due to a wrong dma register
+configuration if wed is disabled.
+
+[    8.245881] mt7996e_hif 0001:01:00.0: assign IRQ: got 128
+[    8.251308] mt7996e_hif 0001:01:00.0: enabling device (0000 -> 0002)
+[    8.257674] mt7996e_hif 0001:01:00.0: enabling bus mastering
+[    8.263488] mt7996e 0000:01:00.0: assign IRQ: got 126
+[    8.268537] mt7996e 0000:01:00.0: enabling device (0000 -> 0002)
+[    8.274551] mt7996e 0000:01:00.0: enabling bus mastering
+[   28.648773] mt7996e 0000:01:00.0: Message 00000010 (seq 1) timeout
+[   28.654959] mt7996e 0000:01:00.0: Failed to get patch semaphore
+[   29.661033] mt7996e: probe of 0000:01:00.0 failed with error -11
+
+Suggested-by: Sujuan Chen <sujuan.chen@mediatek.com>
+Fixes: 4920a3a1285f ("wifi: mt76: mt7996: set DMA mask to 36 bits for boards with more than 4GB of RAM")
+Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
+---
+ drivers/net/wireless/mediatek/mt76/mt7996/dma.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+--- a/mt7996/dma.c
++++ b/mt7996/dma.c
+@@ -237,7 +237,8 @@ void mt7996_dma_start(struct mt7996_dev
+ 				 MT_WFDMA0_GLO_CFG_TX_DMA_EN |
+ 				 MT_WFDMA0_GLO_CFG_RX_DMA_EN |
+ 				 MT_WFDMA0_GLO_CFG_OMIT_TX_INFO |
+-				 MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2);
++				 MT_WFDMA0_GLO_CFG_OMIT_RX_INFO_PFET2 |
++				 MT_WFDMA0_GLO_CFG_EXT_EN);
+
+ 		if (dev->hif2)
+ 			mt76_set(dev, MT_WFDMA0_GLO_CFG + hif1_ofs,