commit
067fdeb2f391bfa071f741a2b3eb74b8ff3785cd upstream.
Fix build warning that related to PAGE_SIZE. The maximum DMA
length has nothing to do with PAGE_SIZE, just use a fix number
for the definition.
drivers/dma/zx_dma.c: In function 'zx_dma_prep_memcpy':
drivers/dma/zx_dma.c:523:8: warning: division by zero [-Wdiv-by-zero]
drivers/dma/zx_dma.c: In function 'zx_dma_prep_slave_sg':
drivers/dma/zx_dma.c:567:11: warning: division by zero [-Wdiv-by-zero]
Signed-off-by: Jun Nie <jun.nie@linaro.org>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
#define DRIVER_NAME "zx-dma"
#define DMA_ALIGN 4
-#define DMA_MAX_SIZE (0x10000 - PAGE_SIZE)
+#define DMA_MAX_SIZE (0x10000 - 512)
#define LLI_BLOCK_SIZE (4 * PAGE_SIZE)
#define REG_ZX_SRC_ADDR 0x00