diff options
author | Jan Weitzel <j.weitzel@phytec.de> | 2013-04-26 15:52:18 +0200 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-04-27 00:11:24 +0200 |
commit | 82095bff69e509bbae08ab0c9596e5c4ff5b5a77 (patch) | |
tree | 131eaf27bf99d428bc50ce24ba44f41f04145df0 /arch | |
parent | a9634ce95b92b052a00912f4d2e5330f04997784 (diff) | |
download | barebox-82095bff69e509bbae08ab0c9596e5c4ff5b5a77.tar.gz barebox-82095bff69e509bbae08ab0c9596e5c4ff5b5a77.tar.xz |
ARM: mmu: Use PAGE_ALIGN in dma_free_coherent
We PAGE_ALIGN the size in dma_alloc_coherent so do it also when free the memory.
Use PAGE_SIZE instead of magic numbers.
Signed-off-by: Jan Weitzel <j.weitzel@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/cpu/mmu.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c index 34fe5c3515..e3ea3b6b9e 100644 --- a/arch/arm/cpu/mmu.c +++ b/arch/arm/cpu/mmu.c @@ -189,7 +189,7 @@ static int arm_mmu_remap_sdram(struct memory_bank *bank) ptes, ttb_start, ttb_end); for (i = 0; i < num_ptes; i++) { - ptes[i] = (phys + i * 4096) | PTE_TYPE_SMALL | + ptes[i] = (phys + i * PAGE_SIZE) | PTE_TYPE_SMALL | pte_flags_cached; } @@ -300,7 +300,7 @@ static int mmu_init(void) asm volatile ("mcr p15,0,%0,c3,c0,0" : : "r"(i) /*:*/); /* create a flat mapping using 1MiB sections */ - create_sections(0, 0, 4096, PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | + create_sections(0, 0, PAGE_SIZE, PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | PMD_TYPE_SECT); vectors_init(); @@ -332,7 +332,7 @@ void *dma_alloc_coherent(size_t size) void *ret; size = PAGE_ALIGN(size); - ret = xmemalign(4096, size); + ret = xmemalign(PAGE_SIZE, size); dma_inv_range((unsigned long)ret, (unsigned long)ret + size); @@ -353,6 +353,7 @@ void *phys_to_virt(unsigned long phys) void dma_free_coherent(void *mem, size_t size) { + size = PAGE_ALIGN(size); remap_range(mem, size, pte_flags_cached); free(mem); |