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authorChristoph Hellwig <hch@lst.de>2018-12-06 13:39:32 -0800
committerChristoph Hellwig <hch@lst.de>2018-12-13 21:06:18 +0100
commit356da6d0cde3323236977fce54c1f9612a742036 (patch)
tree87ad8176833266fbaa038780d67aebcc490d0d64 /arch/parisc/kernel/setup.c
parentvmd: use the proper dma_* APIs instead of direct methods calls (diff)
downloadlinux-dev-356da6d0cde3323236977fce54c1f9612a742036.tar.xz
linux-dev-356da6d0cde3323236977fce54c1f9612a742036.zip
dma-mapping: bypass indirect calls for dma-direct
Avoid expensive indirect calls in the fast path DMA mapping operations by directly calling the dma_direct_* ops if we are using the directly mapped DMA operations. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Tested-by: Jesper Dangaard Brouer <brouer@redhat.com> Tested-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to '')
-rw-r--r--arch/parisc/kernel/setup.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
index cd227f1cf629..54818cd78bd0 100644
--- a/arch/parisc/kernel/setup.c
+++ b/arch/parisc/kernel/setup.c
@@ -99,10 +99,6 @@ void __init dma_ops_init(void)
case pcxl2:
pa7300lc_init();
- case pcxl: /* falls through */
- case pcxs:
- case pcxt:
- hppa_dma_ops = &dma_direct_ops;
break;
default:
break;