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Merge git://git.linux-mips.org/pub/scm/ralf/upstream-linus

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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/
This commit is contained in:
Linus Torvalds 2013-09-25 14:56:39 -07:00
commit b4820416dd
2 changed files with 5 additions and 9 deletions
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2
arch/mips/include/asm/cpu-features.h
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@ -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.
*/

12
arch/mips/mm/dma-default.c
View File

@ -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)