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b43: Workaround DMA quirks
authorMichael Buesch <mb@bu3sch.de>
Wed, 23 Apr 2008 17:13:01 +0000 (19:13 +0200)
committerJohn W. Linville <linville@tuxdriver.com>
Thu, 24 Apr 2008 01:25:36 +0000 (21:25 -0400)
commit1033b3ea11820ea1fb1b877207bd6724e9aaedc3
tree6037db5b31dcaa0596f5cca9843612707c881279tree | snapshot (tar.gz zip)
parent0da926f05748d273e7b2b673b0de21629ae9acddcommit | diff
b43: Workaround DMA quirks

Some mainboards/CPUs don't allow DMA masks bigger than a certain limit.
Some VIA crap^h^h^h^hdevices have an upper limit of 0xFFFFFFFF. So in this
case a 64-bit b43 device would always fail to acquire the mask.
Implement a workaround to fallback to lower DMA mask, as we can always
also support a lower mask.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/b43/dma.c diff | blob | blame | history