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openwrt-xburst/package/mac80211/patches/500-ath_use_gfp_dma.patch
nbd 7b359d21c6 mac80211: update to compat-wireless 2009-12-05 and fix a critical bug in ath9k tx status reporting
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18666 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-12-05 17:12:56 +00:00

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460 B
Diff

--- 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.