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authorLorenzo Bianconi <lorenzo@kernel.org>2019-04-02 11:47:59 +0200
committerFelix Fietkau <nbd@nbd.name>2019-05-01 13:03:58 +0200
commit598da38672cd23e9af526d093c77a3750a56521e (patch)
treee02fe37a66aa002cc5acc6f771b98498f75eef0f /drivers/net/wireless/mediatek/mt76/dma.h
parent6ca66722a887e38f82b50a4b41e43b6af0794ed2 (diff)
mt76: dma: add skb check for dummy pointer
Introduce skb check for dummy address in mt76_dma_tx_cleanup_idx. This is a preliminary patch to add support for new chipsets (e.g. 7615) Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/dma.h')
-rw-r--r--drivers/net/wireless/mediatek/mt76/dma.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/dma.h b/drivers/net/wireless/mediatek/mt76/dma.h
index e3292df5e9b2..03dd2bafa4e8 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.h
+++ b/drivers/net/wireless/mediatek/mt76/dma.h
@@ -16,6 +16,8 @@
#ifndef __MT76_DMA_H
#define __MT76_DMA_H
+#define DMA_DUMMY_DATA ((void *)~0)
+
#define MT_RING_SIZE 0x10
#define MT_DMA_CTL_SD_LEN1 GENMASK(13, 0)