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| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2019-01-17 16:38:17 -0800 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-01-21 08:25:58 +0100 |
| commit | c0985e1f7a244a069645c8002012cf8c55f1eed5 (patch) | |
| tree | 939edee6a76b14bf4281816fa4981bc16f9564d5 /arch/arm/cpu | |
| parent | 396b1516e318d4918a5de5ffc21e32d9cac34f24 (diff) | |
| download | barebox-c0985e1f7a244a069645c8002012cf8c55f1eed5.tar.gz barebox-c0985e1f7a244a069645c8002012cf8c55f1eed5.tar.xz | |
ARM: mmu: Simplify the use of dma_inv_range()
Simplify the use of dma_inv_range() by changing its signature to
accept pointer to start of the data and data size. This change allows
us to avoid a whole bunch of repetitive arithmetic currently done by
all of the callers.
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/mmu.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c index 2b7b9e30a2..390ccc5813 100644 --- a/arch/arm/cpu/mmu.c +++ b/arch/arm/cpu/mmu.c @@ -118,8 +118,11 @@ static void dma_flush_range(void *ptr, size_t size) outer_cache.flush_range(start, end); } -static void dma_inv_range(unsigned long start, unsigned long end) +static void dma_inv_range(void *ptr, size_t size) { + unsigned long start = (unsigned long)ptr; + unsigned long end = start + size; + if (outer_cache.inv_range) outer_cache.inv_range(start, end); __dma_inv_range(start, end); @@ -507,7 +510,7 @@ static void *dma_alloc_map(size_t size, dma_addr_t *dma_handle, unsigned flags) if (dma_handle) *dma_handle = (dma_addr_t)ret; - dma_inv_range((unsigned long)ret, (unsigned long)ret + size); + dma_inv_range(ret, size); arch_remap_range(ret, size, flags); @@ -536,7 +539,7 @@ void dma_sync_single_for_cpu(dma_addr_t address, size_t size, enum dma_data_direction dir) { if (dir != DMA_TO_DEVICE) - dma_inv_range(address, address + size); + dma_inv_range((void *)address, size); } void dma_sync_single_for_device(dma_addr_t address, size_t size, |