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path: root/package/mac80211/patches/510-ath_use_gfp_dma.patch
blob: 9390a2faaade16f63cc2483f1535dcbee58c68ba (plain)
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--- a/drivers/net/wireless/ath/main.c
+++ b/drivers/net/wireless/ath/main.c
@@ -31,6 +31,14 @@ struct sk_buff *ath_rxbuf_alloc(struct a
 	u32 off;
 
 	/*
+	 * Enable GFP_DMA in order to avoid using DMA bounce buffers
+	 * on IXP4xx devices with more than 64M RAM
+	 */
+#ifdef CONFIG_ARCH_IXP4XX
+	gfp_mask |= GFP_DMA;
+#endif
+
+	/*
 	 * Cache-line-align.  This is important (for the
 	 * 5210 at least) as not doing so causes bogus data
 	 * in rx'd frames.