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.
Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
---
arch/arm/cpu/mmu.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c
index 2b7b9e30a..390ccc581 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,
--
2.20.1
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