]> git.baikalelectronics.ru Git - kernel.git/commit
jz4740_fb: fix DMA API abuse
authorChristoph Hellwig <hch@lst.de>
Fri, 21 Jun 2019 13:13:14 +0000 (15:13 +0200)
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Fri, 21 Jun 2019 13:13:14 +0000 (15:13 +0200)
commit6e1db86eb1f6c83e9b31415e6ea67d558df2ec22
tree086c615727374eeb89fa4e59cf7e4f1b43dff55f
parent3ced6ac7f01dda47d7210efd7fde1ca9d5b5aa6e
jz4740_fb: fix DMA API abuse

Virtual addresses return from dma(m)_alloc_coherent are opaque in what
backs then, and drivers must not poke into them.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Manuel Lauss <manuel.lauss@gmail.com>
[b.zolnierkie: patch description fixup]
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
drivers/video/fbdev/jz4740_fb.c