mtd: nand: denali: fix unaligned cache operations on ARMv7 SoCs

[pandora-u-boot.git] / drivers / mtd / nand / denali.c

diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index 7302c37..d1cac06 100644 (file)
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -21,6 +21,8 @@ static dma_addr_t dma_map_single(void *dev, void *ptr, size_t size,
 {
        unsigned long addr = (unsigned long)ptr;
 
+       size = ALIGN(size, ARCH_DMA_MINALIGN);
+
        if (dir == DMA_FROM_DEVICE)
                invalidate_dcache_range(addr, addr + size);
        else
@@ -32,6 +34,8 @@ static dma_addr_t dma_map_single(void *dev, void *ptr, size_t size,
 static void dma_unmap_single(void *dev, dma_addr_t addr, size_t size,
                             enum dma_data_direction dir)
 {
+       size = ALIGN(size, ARCH_DMA_MINALIGN);
+
        if (dir != DMA_TO_DEVICE)
                invalidate_dcache_range(addr, addr + size);
 }