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authorRene Herman <rene.herman@keyaccess.nl>2008-07-25 19:44:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-26 12:00:02 -0700
commite86b19ce64a25d39bb0e10e0e695213fc5993dfb (patch)
treea71e66f3a9fc6d1860ff19fac374838f2008cc9a /arch/x86/Makefile_32.cpu
parentc491b2ffae3fad5e6e3cb2320b46bb8ea8729d49 (diff)
pnp: set the pnp_card dma_mask for use by ISAPnP cards
dma_alloc_coherent() on x86 currently takes a passed in NULL device pointer to mean that it should allocate an ISA compatible (24-bit) buffer which is a bit of a hack. The ALSA ISA drivers are the main consumers of this but have a struct device in fact readily available. For the PnP drivers, the specific pnp_dev->dev device pointer is not always available at the right time so for now we want to pass the pnp_card->dev instead which is always available. Set its dma_mask in preparation for doing so. This does not fix a current bug -- 2.6.26-rc1 stumbled over the NULL hack in dma_alloc_coherent() but this has already been fixed in commit 4a367f3a9dbf2e7ffcee4702203479809236ee6e by Takashi Iwai. Signed-off-by: Rene Herman <rene.herman@gmail.com> Acked-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Takashi Iwai <tiwai@suse.de> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/Makefile_32.cpu')
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