| commit | 2874d5ee6c06ab72f2729968926b3d5ef8fca897 | [log] [tgz] |
|---|---|---|
| author | Geert Uytterhoeven <geert@linux-m68k.org> | Tue Jan 03 19:09:49 2017 +0100 |
| committer | Tejun Heo <tj@kernel.org> | Fri Jan 06 11:32:44 2017 -0500 |
| tree | 1f0157a5837d36d047311e1bab03b7732b965107 | |
| parent | 6cf32ed9eee2d34db441ba6ebad3ec2d67952688 [diff] |
libata: Protect DMA core code by #ifdef CONFIG_HAS_DMA
If NO_DMA=y:
ERROR: "bad_dma_ops" [drivers/ata/libata.ko] undefined!
To fix this, protect the DMA code by #ifdef CONFIG_HAS_DMA, and provide
dummies of ata_sg_clean() and ata_sg_setup() for the !CONFIG_HAS_DMA
case.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Tejun Heo <tj@kernel.org>