Re: [PATCH V3 5/9] drm/vc4: v3d: simplify clock retrieval
From: Maíra Canal <mcanal@igalia.com>
Date: 2024-08-22 13:14:23
Also in:
dri-devel, linux-pm, linux-usb
Hi Stefan, On 8/21/24 18:40, Stefan Wahren wrote:
Common pattern of handling deferred probe can be simplified with dev_err_probe() and devm_clk_get_optional(). This results in much less code. Signed-off-by: Stefan Wahren <wahrenst@gmx.net> Reviewed-by: Maíra Canal <mcanal@igalia.com>
Applied to drm/misc/kernel/drm-misc-next! Best Regards, - Maíra
quoted hunk ↗ jump to hunk
--- drivers/gpu/drm/vc4/vc4_v3d.c | 18 +++--------------- 1 file changed, 3 insertions(+), 15 deletions(-)diff --git a/drivers/gpu/drm/vc4/vc4_v3d.c b/drivers/gpu/drm/vc4/vc4_v3d.c index 6e566584afbf..bf5c4e36c94e 100644 --- a/drivers/gpu/drm/vc4/vc4_v3d.c +++ b/drivers/gpu/drm/vc4/vc4_v3d.c@@ -441,21 +441,9 @@ static int vc4_v3d_bind(struct device *dev, struct device *master, void *data) vc4->v3d = v3d; v3d->vc4 = vc4; - v3d->clk = devm_clk_get(dev, NULL); - if (IS_ERR(v3d->clk)) { - int ret = PTR_ERR(v3d->clk); - - if (ret == -ENOENT) { - /* bcm2835 didn't have a clock reference in the DT. */ - ret = 0; - v3d->clk = NULL; - } else { - if (ret != -EPROBE_DEFER) - dev_err(dev, "Failed to get V3D clock: %d\n", - ret); - return ret; - } - } + v3d->clk = devm_clk_get_optional(dev, NULL); + if (IS_ERR(v3d->clk)) + return dev_err_probe(dev, PTR_ERR(v3d->clk), "Failed to get V3D clock\n"); ret = platform_get_irq(pdev, 0); if (ret < 0) --2.34.1