6.1-stable review patch. If anyone has any objections, please let me know.
------------------
From: Yang Yingliang yangyingliang@huawei.com
[ 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@mess.org Reviewed-by: Ricardo Ribalda ribalda@chromium.org Reviewed-by: Laurent Pinchart laurent.pinchart@ideasonboard.com Signed-off-by: Yang Yingliang yangyingliang@huawei.com Acked-by: Sakari Ailus sakari.ailus@linux.intel.com Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Stable-dep-of: a9ea1a3d88b7 ("media: uvcvideo: Fix crash during unbind if gpio unit is in use") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/media/cec/platform/stm32/stm32-cec.c | 9 +++---- drivers/media/i2c/ad5820.c | 18 +++++-------- drivers/media/i2c/imx274.c | 5 ++-- drivers/media/i2c/tc358743.c | 9 +++---- .../platform/mediatek/mdp/mtk_mdp_comp.c | 5 ++-- .../platform/samsung/exynos4-is/media-dev.c | 4 +-- drivers/media/platform/st/stm32/stm32-dcmi.c | 27 +++++++------------ drivers/media/platform/ti/omap3isp/isp.c | 3 +-- .../media/platform/xilinx/xilinx-csi2rxss.c | 8 +++--- drivers/media/rc/gpio-ir-recv.c | 10 +++---- drivers/media/rc/gpio-ir-tx.c | 9 +++---- drivers/media/rc/ir-rx51.c | 9 ++----- drivers/media/usb/uvc/uvc_driver.c | 9 +++---- 13 files changed, 41 insertions(+), 84 deletions(-)
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)