Hi, Yongqiang:
On Thu, 2019-08-29 at 22:50 +0800, yongqiang.niu@mediatek.com wrote:
From: Yongqiang Niu yongqiang.niu@mediatek.com
This patch add clock property check before get it
I've rewrite this patch and applied to mediatek-drm-next-5.5 [1] with the title "drm/mediatek: add no_clk into ddp private data", thanks.
[1] https://github.com/ckhu-mediatek/linux.git-tags/commits/mediatek-drm-next-5....
Regards, CK
Signed-off-by: Yongqiang Niu yongqiang.niu@mediatek.com
drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c index a5a6689..effc24a 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c @@ -657,10 +657,12 @@ static int mtk_ddp_probe(struct platform_device *pdev) for (i = 0; i < 10; i++) ddp->mutex[i].id = i;
- ddp->clk = devm_clk_get(dev, NULL);
- if (IS_ERR(ddp->clk)) {
dev_err(dev, "Failed to get clock\n");return PTR_ERR(ddp->clk);
if (of_find_property(dev->of_node, "clocks", &i)) {
ddp->clk = devm_clk_get(dev, NULL);if (IS_ERR(ddp->clk)) {dev_err(dev, "Failed to get clock\n");return PTR_ERR(ddp->clk);}}
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);