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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-25 14:56:39 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-25 14:56:39 -0700 |
| commit | b4820416dd92bc3df33f261c60ec21b2c4481bec (patch) | |
| tree | 94ac18c7604b5d10d13caad6fa8a0488960da4a9 /arch | |
| parent | 06367d58f487a592de50e6e2327371c5e3b6188f (diff) | |
| parent | 55c25c2f14496badefd780a9f179442756216b67 (diff) | |
| download | linux-b4820416dd92bc3df33f261c60ec21b2c4481bec.tar.gz linux-b4820416dd92bc3df33f261c60ec21b2c4481bec.tar.bz2 linux-b4820416dd92bc3df33f261c60ec21b2c4481bec.zip | |
Merge git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS fixes from Ralf Baechle:
- Fix a comment
- A small cleanup the main purpose of which is to work around an
internal compiler error bug in certain Codesource toolchains.
* git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: mm: Move some checks out of 'for' loop in DMA operations
MIPS: cpu-features.h: s/MIPS53/MIPS64/
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/include/asm/cpu-features.h | 2 | ||||
| -rw-r--r-- | arch/mips/mm/dma-default.c | 12 |
2 files changed, 5 insertions, 9 deletions
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h index 51680d15ca8e..d445d060e346 100644 --- a/arch/mips/include/asm/cpu-features.h +++ b/arch/mips/include/asm/cpu-features.h @@ -187,7 +187,7 @@ /* * MIPS32, MIPS64, VR5500, IDT32332, IDT32334 and maybe a few other - * pre-MIPS32/MIPS53 processors have CLO, CLZ. The IDT RC64574 is 64-bit and + * pre-MIPS32/MIPS64 processors have CLO, CLZ. The IDT RC64574 is 64-bit and * has CLO and CLZ but not DCLO nor DCLZ. For 64-bit kernels * cpu_has_clo_clz also indicates the availability of DCLO and DCLZ. */ diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index f25a7e9f8cbc..5f8b95512580 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -308,12 +308,10 @@ static void mips_dma_sync_sg_for_cpu(struct device *dev, { int i; - /* Make sure that gcc doesn't leave the empty loop body. */ - for (i = 0; i < nelems; i++, sg++) { - if (cpu_needs_post_dma_flush(dev)) + if (cpu_needs_post_dma_flush(dev)) + for (i = 0; i < nelems; i++, sg++) __dma_sync(sg_page(sg), sg->offset, sg->length, direction); - } } static void mips_dma_sync_sg_for_device(struct device *dev, @@ -321,12 +319,10 @@ static void mips_dma_sync_sg_for_device(struct device *dev, { int i; - /* Make sure that gcc doesn't leave the empty loop body. */ - for (i = 0; i < nelems; i++, sg++) { - if (!plat_device_is_coherent(dev)) + if (!plat_device_is_coherent(dev)) + for (i = 0; i < nelems; i++, sg++) __dma_sync(sg_page(sg), sg->offset, sg->length, direction); - } } int mips_dma_mapping_error(struct device *dev, dma_addr_t dma_addr) |