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xtensa: implement pgprot_noncached
authorMax Filippov <jcmvbkbc@gmail.com>
Thu, 11 Sep 2014 04:05:21 +0000 (21:05 -0700)
committerMax Filippov <jcmvbkbc@gmail.com>
Sun, 5 Oct 2014 23:23:50 +0000 (03:23 +0400)
commita211276a8e4dbafbcd492ae3bee84a4d6db3fb75
tree5712d9e5100127cfd230a6a21aba473aadef8bc1tree | snapshot
parentbfe01a5ba2490f299e1d2d5508cbbbadd897bbe9commit | diff
xtensa: implement pgprot_noncached

The default pgprot_noncached doesn't do anything. This leads to issues
when drivers rely on it to disable caching in userspace mappings.
Implement pgprot_noncached properly so that caching of userspace mappings
could be controlled.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
arch/xtensa/include/asm/pgtable.h diff | blob | history
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