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video: atmel_hlcdfb: Fix misaligned cache operation warning

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

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Wenyou Yang 2017-06-02 11:29:04 +08:00 • committed by Anatolij Gustschin
parent b98efa1db3
commit 31e5c892b3
1 changed files with 6 additions and 2 deletions

8
drivers/video/atmel_hlcdfb.c
View file

@ -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);