[PATCH -next 25/26] fbdev: Use dma_zalloc_coherent

From: Joe Perches
Date: Sun Jun 15 2014 - 16:39:24 EST


Use the zeroing function instead of dma_alloc_coherent & memset(,0,)

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
drivers/video/fbdev/da8xx-fb.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/video/fbdev/da8xx-fb.c b/drivers/video/fbdev/da8xx-fb.c
index a8484f7..788f6b3 100644
--- a/drivers/video/fbdev/da8xx-fb.c
+++ b/drivers/video/fbdev/da8xx-fb.c
@@ -1447,18 +1447,15 @@ static int fb_probe(struct platform_device *device)
da8xx_fb_fix.line_length - 1;

/* allocate palette buffer */
- par->v_palette_base = dma_alloc_coherent(NULL,
- PALETTE_SIZE,
- (resource_size_t *)
- &par->p_palette_base,
- GFP_KERNEL | GFP_DMA);
+ par->v_palette_base = dma_zalloc_coherent(NULL, PALETTE_SIZE,
+ (resource_size_t *)&par->p_palette_base,
+ GFP_KERNEL | GFP_DMA);
if (!par->v_palette_base) {
dev_err(&device->dev,
"GLCD: kmalloc for palette buffer failed\n");
ret = -EINVAL;
goto err_release_fb_mem;
}
- memset(par->v_palette_base, 0, PALETTE_SIZE);

par->irq = platform_get_irq(device, 0);
if (par->irq < 0) {
--
1.8.1.2.459.gbcd45b4.dirty

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