This is a note to let you know that I've just added the patch titled
media: Switch to use dev_err_probe() helper
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
media-switch-to-use-dev_err_probe-helper.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit ebeb53b60ac02642c4a93128ab2b87ef705d26aa
Author: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Date: Mon Sep 19 23:58:43 2022 +0800
media: Switch to use dev_err_probe() helper
[ Upstream commit 6cb7d1b3ff83e98e852db9739892c4643a31804b ]
In the probe path, dev_err() can be replaced with dev_err_probe()
which will check if error code is -EPROBE_DEFER.
Reviewed-by: Sean Young <sean@xxxxxxxx>
Reviewed-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Acked-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Stable-dep-of: a9ea1a3d88b7 ("media: uvcvideo: Fix crash during unbind if gpio unit is in use")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/media/cec/platform/stm32/stm32-cec.c b/drivers/media/cec/platform/stm32/stm32-cec.c
index 40db7911b437b..7b2db46a57222 100644
--- a/drivers/media/cec/platform/stm32/stm32-cec.c
+++ b/drivers/media/cec/platform/stm32/stm32-cec.c
@@ -288,12 +288,9 @@ static int stm32_cec_probe(struct platform_device *pdev)
return ret;
cec->clk_cec = devm_clk_get(&pdev->dev, "cec");
- if (IS_ERR(cec->clk_cec)) {
- if (PTR_ERR(cec->clk_cec) != -EPROBE_DEFER)
- dev_err(&pdev->dev, "Cannot get cec clock\n");
-
- return PTR_ERR(cec->clk_cec);
- }
+ if (IS_ERR(cec->clk_cec))
+ return dev_err_probe(&pdev->dev, PTR_ERR(cec->clk_cec),
+ "Cannot get cec clock\n");
ret = clk_prepare(cec->clk_cec);
if (ret) {
diff --git a/drivers/media/i2c/ad5820.c b/drivers/media/i2c/ad5820.c
index 088c29c4e2529..56d22d02a0d91 100644
--- a/drivers/media/i2c/ad5820.c
+++ b/drivers/media/i2c/ad5820.c
@@ -301,21 +301,15 @@ static int ad5820_probe(struct i2c_client *client,
return -ENOMEM;
coil->vana = devm_regulator_get(&client->dev, "VANA");
- if (IS_ERR(coil->vana)) {
- ret = PTR_ERR(coil->vana);
- if (ret != -EPROBE_DEFER)
- dev_err(&client->dev, "could not get regulator for vana\n");
- return ret;
- }
+ if (IS_ERR(coil->vana))
+ return dev_err_probe(&client->dev, PTR_ERR(coil->vana),
+ "could not get regulator for vana\n");
coil->enable_gpio = devm_gpiod_get_optional(&client->dev, "enable",
GPIOD_OUT_LOW);
- if (IS_ERR(coil->enable_gpio)) {
- ret = PTR_ERR(coil->enable_gpio);
- if (ret != -EPROBE_DEFER)
- dev_err(&client->dev, "could not get enable gpio\n");
- return ret;
- }
+ if (IS_ERR(coil->enable_gpio))
+ return dev_err_probe(&client->dev, PTR_ERR(coil->enable_gpio),
+ "could not get enable gpio\n");
mutex_init(&coil->power_lock);
diff --git a/drivers/media/i2c/imx274.c b/drivers/media/i2c/imx274.c
index a00761b1e18c2..9219f3c9594b0 100644
--- a/drivers/media/i2c/imx274.c
+++ b/drivers/media/i2c/imx274.c
@@ -2060,9 +2060,8 @@ static int imx274_probe(struct i2c_client *client)
imx274->reset_gpio = devm_gpiod_get_optional(dev, "reset",
GPIOD_OUT_HIGH);
if (IS_ERR(imx274->reset_gpio)) {
- if (PTR_ERR(imx274->reset_gpio) != -EPROBE_DEFER)
- dev_err(dev, "Reset GPIO not setup in DT");
- ret = PTR_ERR(imx274->reset_gpio);
+ ret = dev_err_probe(dev, PTR_ERR(imx274->reset_gpio),
+ "Reset GPIO not setup in DT\n");
goto err_me;
}
diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c
index 45dd91d1cd816..2c8189e04a131 100644
--- a/drivers/media/i2c/tc358743.c
+++ b/drivers/media/i2c/tc358743.c
@@ -1891,12 +1891,9 @@ static int tc358743_probe_of(struct tc358743_state *state)
int ret;
refclk = devm_clk_get(dev, "refclk");
- if (IS_ERR(refclk)) {
- if (PTR_ERR(refclk) != -EPROBE_DEFER)
- dev_err(dev, "failed to get refclk: %ld\n",
- PTR_ERR(refclk));
- return PTR_ERR(refclk);
- }
+ if (IS_ERR(refclk))
+ return dev_err_probe(dev, PTR_ERR(refclk),
+ "failed to get refclk\n");
ep = of_graph_get_next_endpoint(dev->of_node, NULL);
if (!ep) {
diff --git a/drivers/media/platform/mediatek/mdp/mtk_mdp_comp.c b/drivers/media/platform/mediatek/mdp/mtk_mdp_comp.c
index 1e3833f1c9ae2..ad5fab2d8bfae 100644
--- a/drivers/media/platform/mediatek/mdp/mtk_mdp_comp.c
+++ b/drivers/media/platform/mediatek/mdp/mtk_mdp_comp.c
@@ -52,9 +52,8 @@ int mtk_mdp_comp_init(struct device *dev, struct device_node *node,
for (i = 0; i < ARRAY_SIZE(comp->clk); i++) {
comp->clk[i] = of_clk_get(node, i);
if (IS_ERR(comp->clk[i])) {
- if (PTR_ERR(comp->clk[i]) != -EPROBE_DEFER)
- dev_err(dev, "Failed to get clock\n");
- ret = PTR_ERR(comp->clk[i]);
+ ret = dev_err_probe(dev, PTR_ERR(comp->clk[i]),
+ "Failed to get clock\n");
goto put_dev;
}
diff --git a/drivers/media/platform/samsung/exynos4-is/media-dev.c b/drivers/media/platform/samsung/exynos4-is/media-dev.c
index 2f3071acb9c97..98a60f01129d4 100644
--- a/drivers/media/platform/samsung/exynos4-is/media-dev.c
+++ b/drivers/media/platform/samsung/exynos4-is/media-dev.c
@@ -1471,9 +1471,7 @@ static int fimc_md_probe(struct platform_device *pdev)
pinctrl = devm_pinctrl_get(dev);
if (IS_ERR(pinctrl)) {
- ret = PTR_ERR(pinctrl);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "Failed to get pinctrl: %d\n", ret);
+ ret = dev_err_probe(dev, PTR_ERR(pinctrl), "Failed to get pinctrl\n");
goto err_clk;
}
diff --git a/drivers/media/platform/st/stm32/stm32-dcmi.c b/drivers/media/platform/st/stm32/stm32-dcmi.c
index 37458d4d9564b..06be28b361f1a 100644
--- a/drivers/media/platform/st/stm32/stm32-dcmi.c
+++ b/drivers/media/platform/st/stm32/stm32-dcmi.c
@@ -1946,12 +1946,9 @@ static int dcmi_probe(struct platform_device *pdev)
return -ENOMEM;
dcmi->rstc = devm_reset_control_get_exclusive(&pdev->dev, NULL);
- if (IS_ERR(dcmi->rstc)) {
- if (PTR_ERR(dcmi->rstc) != -EPROBE_DEFER)
- dev_err(&pdev->dev, "Could not get reset control\n");
-
- return PTR_ERR(dcmi->rstc);
- }
+ if (IS_ERR(dcmi->rstc))
+ return dev_err_probe(&pdev->dev, PTR_ERR(dcmi->rstc),
+ "Could not get reset control\n");
/* Get bus characteristics from devicetree */
np = of_graph_get_next_endpoint(np, NULL);
@@ -2003,20 +2000,14 @@ static int dcmi_probe(struct platform_device *pdev)
}
mclk = devm_clk_get(&pdev->dev, "mclk");
- if (IS_ERR(mclk)) {
- if (PTR_ERR(mclk) != -EPROBE_DEFER)
- dev_err(&pdev->dev, "Unable to get mclk\n");
- return PTR_ERR(mclk);
- }
+ if (IS_ERR(mclk))
+ return dev_err_probe(&pdev->dev, PTR_ERR(mclk),
+ "Unable to get mclk\n");
chan = dma_request_chan(&pdev->dev, "tx");
- if (IS_ERR(chan)) {
- ret = PTR_ERR(chan);
- if (ret != -EPROBE_DEFER)
- dev_err(&pdev->dev,
- "Failed to request DMA channel: %d\n", ret);
- return ret;
- }
+ if (IS_ERR(chan))
+ return dev_err_probe(&pdev->dev, PTR_ERR(chan),
+ "Failed to request DMA channel\n");
dcmi->dma_max_burst = UINT_MAX;
ret = dma_get_slave_caps(chan, &caps);
diff --git a/drivers/media/platform/ti/omap3isp/isp.c b/drivers/media/platform/ti/omap3isp/isp.c
index 11ae479ee89c8..e7327e38482de 100644
--- a/drivers/media/platform/ti/omap3isp/isp.c
+++ b/drivers/media/platform/ti/omap3isp/isp.c
@@ -1884,8 +1884,7 @@ static int isp_initialize_modules(struct isp_device *isp)
ret = omap3isp_ccp2_init(isp);
if (ret < 0) {
- if (ret != -EPROBE_DEFER)
- dev_err(isp->dev, "CCP2 initialization failed\n");
+ dev_err_probe(isp->dev, ret, "CCP2 initialization failed\n");
goto error_ccp2;
}
diff --git a/drivers/media/platform/xilinx/xilinx-csi2rxss.c b/drivers/media/platform/xilinx/xilinx-csi2rxss.c
index 29b53febc2e7a..d8a23f18cfbce 100644
--- a/drivers/media/platform/xilinx/xilinx-csi2rxss.c
+++ b/drivers/media/platform/xilinx/xilinx-csi2rxss.c
@@ -976,11 +976,9 @@ static int xcsi2rxss_probe(struct platform_device *pdev)
/* Reset GPIO */
xcsi2rxss->rst_gpio = devm_gpiod_get_optional(dev, "video-reset",
GPIOD_OUT_HIGH);
- if (IS_ERR(xcsi2rxss->rst_gpio)) {
- if (PTR_ERR(xcsi2rxss->rst_gpio) != -EPROBE_DEFER)
- dev_err(dev, "Video Reset GPIO not setup in DT");
- return PTR_ERR(xcsi2rxss->rst_gpio);
- }
+ if (IS_ERR(xcsi2rxss->rst_gpio))
+ return dev_err_probe(dev, PTR_ERR(xcsi2rxss->rst_gpio),
+ "Video Reset GPIO not setup in DT\n");
ret = xcsi2rxss_parse_of(xcsi2rxss);
if (ret < 0)
diff --git a/drivers/media/rc/gpio-ir-recv.c b/drivers/media/rc/gpio-ir-recv.c
index 16795e07dc103..41ef8cdba28c4 100644
--- a/drivers/media/rc/gpio-ir-recv.c
+++ b/drivers/media/rc/gpio-ir-recv.c
@@ -74,13 +74,9 @@ static int gpio_ir_recv_probe(struct platform_device *pdev)
return -ENOMEM;
gpio_dev->gpiod = devm_gpiod_get(dev, NULL, GPIOD_IN);
- if (IS_ERR(gpio_dev->gpiod)) {
- rc = PTR_ERR(gpio_dev->gpiod);
- /* Just try again if this happens */
- if (rc != -EPROBE_DEFER)
- dev_err(dev, "error getting gpio (%d)\n", rc);
- return rc;
- }
+ if (IS_ERR(gpio_dev->gpiod))
+ return dev_err_probe(dev, PTR_ERR(gpio_dev->gpiod),
+ "error getting gpio\n");
gpio_dev->irq = gpiod_to_irq(gpio_dev->gpiod);
if (gpio_dev->irq < 0)
return gpio_dev->irq;
diff --git a/drivers/media/rc/gpio-ir-tx.c b/drivers/media/rc/gpio-ir-tx.c
index d3063ddb472e3..2b829c146db15 100644
--- a/drivers/media/rc/gpio-ir-tx.c
+++ b/drivers/media/rc/gpio-ir-tx.c
@@ -174,12 +174,9 @@ static int gpio_ir_tx_probe(struct platform_device *pdev)
return -ENOMEM;
gpio_ir->gpio = devm_gpiod_get(&pdev->dev, NULL, GPIOD_OUT_LOW);
- if (IS_ERR(gpio_ir->gpio)) {
- if (PTR_ERR(gpio_ir->gpio) != -EPROBE_DEFER)
- dev_err(&pdev->dev, "Failed to get gpio (%ld)\n",
- PTR_ERR(gpio_ir->gpio));
- return PTR_ERR(gpio_ir->gpio);
- }
+ if (IS_ERR(gpio_ir->gpio))
+ return dev_err_probe(&pdev->dev, PTR_ERR(gpio_ir->gpio),
+ "Failed to get gpio\n");
rcdev->priv = gpio_ir;
rcdev->driver_name = DRIVER_NAME;
diff --git a/drivers/media/rc/ir-rx51.c b/drivers/media/rc/ir-rx51.c
index a3b1451832603..85080c3d20535 100644
--- a/drivers/media/rc/ir-rx51.c
+++ b/drivers/media/rc/ir-rx51.c
@@ -231,13 +231,8 @@ static int ir_rx51_probe(struct platform_device *dev)
struct rc_dev *rcdev;
pwm = pwm_get(&dev->dev, NULL);
- if (IS_ERR(pwm)) {
- int err = PTR_ERR(pwm);
-
- if (err != -EPROBE_DEFER)
- dev_err(&dev->dev, "pwm_get failed: %d\n", err);
- return err;
- }
+ if (IS_ERR(pwm))
+ return dev_err_probe(&dev->dev, PTR_ERR(pwm), "pwm_get failed\n");
/* Use default, in case userspace does not set the carrier */
ir_rx51.freq = DIV_ROUND_CLOSEST_ULL(pwm_get_period(pwm), NSEC_PER_SEC);
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index c8e72079b4278..92af9caf6b5db 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -1253,12 +1253,9 @@ static int uvc_gpio_parse(struct uvc_device *dev)
return PTR_ERR_OR_ZERO(gpio_privacy);
irq = gpiod_to_irq(gpio_privacy);
- if (irq < 0) {
- if (irq != EPROBE_DEFER)
- dev_err(&dev->udev->dev,
- "No IRQ for privacy GPIO (%d)\n", irq);
- return irq;
- }
+ if (irq < 0)
+ return dev_err_probe(&dev->udev->dev, irq,
+ "No IRQ for privacy GPIO\n");
unit = uvc_alloc_entity(UVC_EXT_GPIO_UNIT, UVC_EXT_GPIO_UNIT_ID, 0, 1);
if (!unit)
