[U-Boot] [PATCH] video: atmel_hlcdfb: Fix misaligned cache operation warning

Fix the warning, ---8<--- CACHE: Misaligned operation at range [3fdffff0, 3fdffffc] ---<8---

Signed-off-by: Wenyou Yang wenyou.yang@atmel.com ---

drivers/video/atmel_hlcdfb.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/video/atmel_hlcdfb.c b/drivers/video/atmel_hlcdfb.c index 47078fdaae..f77da2ec97 100644 --- a/drivers/video/atmel_hlcdfb.c +++ b/drivers/video/atmel_hlcdfb.c @@ -426,7 +426,9 @@ static void atmel_hlcdc_init(struct udevice *dev) writel(~0UL, &regs->lcdc_baseidr);

/* Setup the DMA descriptor, this descriptor will loop to itself */ - desc = (struct lcd_dma_desc *)(uc_plat->base - 16); + desc = memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof(*desc)); + if (!desc) + return;

desc->address = (u32)uc_plat->base;

@@ -436,7 +438,9 @@ static void atmel_hlcdc_init(struct udevice *dev) desc->next = (u32)desc;

/* Flush the DMA descriptor if we enabled dcache */ - flush_dcache_range((u32)desc, (u32)desc + sizeof(*desc)); + flush_dcache_range((u32)desc, + ALIGN(((u32)desc + sizeof(*desc)), + CONFIG_SYS_CACHELINE_SIZE));

writel(desc->address, &regs->lcdc_baseaddr); writel(desc->control, &regs->lcdc_basectrl);