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ARC updates for 4.8-rc1 

Things have been calm here - nothing much except for a few fixes
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Merge tag 'arc-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull ARC updates from Vineet Gupta:
 "Things have been calm here - nothing much except for a few fixes"

* tag 'arc-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
  ARC: mm: don't loose PTE_SPECIAL in pte_modify()
  ARC: dma: fix address translation in arc_dma_free
  ARC: typo fix in mm/ioremap.c
  ARC: fix linux-next build breakage
This commit is contained in:
Linus Torvalds 2016-07-29 13:17:34 -07:00
parent befff3bfb3 3925a16ae9
commit 9d3bc3d4a4
4 changed files with 5 additions and 3 deletions
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2
arch/arc/include/asm/pgtable.h
View File

@ -110,7 +110,7 @@
#define ___DEF (_PAGE_PRESENT | _PAGE_CACHEABLE)
/* Set of bits not changed in pte_modify */
#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY)
#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY | _PAGE_SPECIAL)
/* More Abbrevaited helpers */
#define PAGE_U_NONE __pgprot(___DEF)

1
arch/arc/kernel/setup.c
View File

@ -14,6 +14,7 @@
#include <linux/module.h>
#include <linux/cpu.h>
#include <linux/of_fdt.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/cache.h>
#include <asm/sections.h>

3
arch/arc/mm/dma.c
View File

@ -92,7 +92,8 @@ static void *arc_dma_alloc(struct device *dev, size_t size,
static void arc_dma_free(struct device *dev, size_t size, void *vaddr,
dma_addr_t dma_handle, struct dma_attrs *attrs)
{
struct page *page = virt_to_page(dma_handle);
phys_addr_t paddr = plat_dma_to_phys(dev, dma_handle);
struct page *page = virt_to_page(paddr);
int is_non_coh = 1;
is_non_coh = dma_get_attr(DMA_ATTR_NON_CONSISTENT, attrs) ||

2
arch/arc/mm/ioremap.c
View File

@ -49,7 +49,7 @@ EXPORT_SYMBOL(ioremap);
/*
* ioremap with access flags
* Cache semantics wise it is same as ioremap - "forced" uncached.
* However unline vanilla ioremap which bypasses ARC MMU for addresses in
* However unlike vanilla ioremap which bypasses ARC MMU for addresses in
* ARC hardware uncached region, this one still goes thru the MMU as caller
* might need finer access control (R/W/X)
*/