[PATCH 2/4 v2] arc: fix type warnings in arc/mm/cache.c

From: rd_dunlab
Date: Thu Jul 26 2018 - 23:19:54 EST


From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

Fix type warnings in arch/arc/mm/cache.c.

../arch/arc/mm/cache.c: In function 'flush_anon_page':
../arch/arc/mm/cache.c:1062:55: warning: passing argument 2 of '__flush_dcache_page' makes integer from pointer without a cast [-Wint-conversion]
__flush_dcache_page((phys_addr_t)page_address(page), page_address(page));
^~~~~~~~~~~~~~~~~~
../arch/arc/mm/cache.c:1013:59: note: expected 'long unsigned int' but argument is of type 'void *'
void __flush_dcache_page(phys_addr_t paddr, unsigned long vaddr)
~~~~~~~~~~~~~~^~~~~

Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Cc: linux-snps-arc@xxxxxxxxxxxxxxxxxxx
Cc: Elad Kanfi <eladkan@xxxxxxxxxxxx>
Cc: Leon Romanovsky <leonro@xxxxxxxxxxxx>
Cc: Ofer Levi <oferle@xxxxxxxxxxxx>
---
v2: drop some spurious (accidental) patch lines

arch/arc/mm/cache.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

--- linux-next-20180723.orig/arch/arc/mm/cache.c
+++ linux-next-20180723/arch/arc/mm/cache.c
@@ -1038,7 +1038,7 @@ void flush_cache_mm(struct mm_struct *mm
void flush_cache_page(struct vm_area_struct *vma, unsigned long u_vaddr,
unsigned long pfn)
{
- unsigned int paddr = pfn << PAGE_SHIFT;
+ phys_addr_t paddr = pfn << PAGE_SHIFT;

u_vaddr &= PAGE_MASK;

@@ -1058,8 +1058,9 @@ void flush_anon_page(struct vm_area_stru
unsigned long u_vaddr)
{
/* TBD: do we really need to clear the kernel mapping */
- __flush_dcache_page(page_address(page), u_vaddr);
- __flush_dcache_page(page_address(page), page_address(page));
+ __flush_dcache_page((phys_addr_t)page_address(page), u_vaddr);
+ __flush_dcache_page((phys_addr_t)page_address(page),
+ (phys_addr_t)page_address(page));

}



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