Messages in this thread Patch in this message | | | From | Yuanjun Gong <> | Subject | [PATCH 1/1] gpu: drm: aspeed: fix value check in aspeed_gfx_load() | Date | Fri, 28 Jul 2023 01:03:42 +0800 |
| |
in aspeed_gfx_load(), check the return value of clk_prepare_enable() and return the error code if clk_prepare_enable() returns an unexpected value.
Fixes: 4f2a8f5898ec ("drm: Add ASPEED GFX driver") Signed-off-by: Yuanjun Gong <ruc_gongyuanjun@163.com> --- drivers/gpu/drm/aspeed/aspeed_gfx_drv.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c index c8c7f8215155..3bfa39bc4f7e 100644 --- a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c +++ b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c @@ -199,7 +199,11 @@ static int aspeed_gfx_load(struct drm_device *drm) "missing or invalid clk device tree entry"); return PTR_ERR(priv->clk); } - clk_prepare_enable(priv->clk); + ret = clk_prepare_enable(priv->clk); + if (ret) { + dev_err(&pdev->dev, "Failed to enable clock\n"); + return ret; + } /* Sanitize control registers */ writel(0, priv->base + CRT_CTRL1); -- 2.17.1
| |