On 17 August 2015 at 13:29, Vignesh R vigneshr@ti.com wrote:
From: Ravi Babu ravibabu@ti.com
Use memalign() with ARCH_DMA_MINALIGN to allocate read buffers. This is required because, flash drivers may use DMA for read operations and may have to invalidate the buffer before read.
Signed-off-by: Ravi Babu ravibabu@ti.com Signed-off-by: Vignesh R vigneshr@ti.com Reviewed-by: Tom Rini trini@konsulko.com
Reviewed-by: Jagan Teki jteki@openedev.com
common/cmd_sf.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/common/cmd_sf.c b/common/cmd_sf.c index 3746e0d9644f..ac7f5dfb8181 100644 --- a/common/cmd_sf.c +++ b/common/cmd_sf.c @@ -223,7 +223,7 @@ static int spi_flash_update(struct spi_flash *flash, u32 offset,
if (end - buf >= 200) scale = (end - buf) / 100;
cmp_buf = malloc(flash->sector_size);
cmp_buf = memalign(ARCH_DMA_MINALIGN, flash->sector_size); if (cmp_buf) { ulong last_update = get_timer(0);@@ -484,12 +484,12 @@ static int do_spi_flash_test(int argc, char * const argv[]) if (*argv[2] == 0 || *endp != 0) return -1;
vbuf = malloc(len);
vbuf = memalign(ARCH_DMA_MINALIGN, len); if (!vbuf) { printf("Cannot allocate memory (%lu bytes)\n", len); return 1; }
buf = malloc(len);
buf = memalign(ARCH_DMA_MINALIGN, len); if (!buf) { free(vbuf); printf("Cannot allocate memory (%lu bytes)\n", len);-- 2.5.0
thanks!