[PATCH] treewide: use dev_err_probe instead of comparisons against EPROBE_DEFER
Ahmad Fatoum
a.fatoum at pengutronix.de
Mon Feb 19 09:26:59 PST 2024
Drivers should not need to compare an error value against EPROBE_DEFER.
We have a number of drivers doing that though to decide whether to print
an error or not. This error message will be lost if the probe is
deferred, so use dev_err_probe to store the error in that case.
While at it, we shorten the error messages a bit. dev_err_probe will
already print the string 'error' before the error code string.
Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
drivers/led/led-gpio.c | 5 +----
drivers/phy/phy-stm32-usbphyc.c | 5 +----
drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 9 ++-------
.../phy/rockchip/phy-rockchip-naneng-combphy.c | 10 ++--------
drivers/power/reset/nvmem-reboot-mode.c | 8 ++------
drivers/soc/rockchip/io-domain.c | 4 +---
drivers/sound/pwm-beeper.c | 18 ++++--------------
drivers/spi/gpio_spi.c | 9 +++------
drivers/usb/musb/musb_core.c | 4 +---
drivers/w1/masters/w1-gpio.c | 6 ++----
10 files changed, 19 insertions(+), 59 deletions(-)
diff --git a/drivers/led/led-gpio.c b/drivers/led/led-gpio.c
index 4b282c788679..c0d14256d3a1 100644
--- a/drivers/led/led-gpio.c
+++ b/drivers/led/led-gpio.c
@@ -214,10 +214,7 @@ static int led_gpio_of_probe(struct device *dev)
gpio = of_get_named_gpio_flags(child, "gpios", 0, &flags);
if (gpio < 0) {
- if (gpio != -EPROBE_DEFER)
- dev_err(dev, "failed to get gpio for %pOF: %d\n",
- child, gpio);
- ret = gpio;
+ ret = dev_err_probe(dev, gpio, "getting gpio for %pOF\n", child);
goto err;
}
diff --git a/drivers/phy/phy-stm32-usbphyc.c b/drivers/phy/phy-stm32-usbphyc.c
index 91f4e7f7e08d..6bac5e1e594a 100644
--- a/drivers/phy/phy-stm32-usbphyc.c
+++ b/drivers/phy/phy-stm32-usbphyc.c
@@ -693,10 +693,7 @@ static int stm32_usbphyc_probe(struct device *dev)
phy = phy_create(phydev, child, &stm32_usbphyc_phy_ops);
if (IS_ERR(phy)) {
- ret = PTR_ERR(phy);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "failed to create phy%d: %d\n",
- port, ret);
+ ret = dev_errp_probe(dev, phy, "creating phy%d\n", port);
goto clk_disable;
}
diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
index 7349a92d567c..08b5eabf7b90 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c
@@ -453,13 +453,8 @@ static int rockchip_usb2phy_probe(struct device *dev)
of_platform_device_dummy_drv(phydev);
phy = phy_create(phydev, child, &rockchip_usb2phy_ops);
- if (IS_ERR(phy)) {
- ret = PTR_ERR(phy);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "failed to create phy%d: %d\n",
- port, ret);
- return ret;
- }
+ if (IS_ERR(phy))
+ return dev_errp_probe(dev, phy, "creating phy%d\n", port);
p = xzalloc(sizeof(*p));
diff --git a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
index 9e52beed1bbb..8a9f9cbeb75f 100644
--- a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
+++ b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
@@ -321,14 +321,8 @@ static int rockchip_combphy_parse_dt(struct device *dev,
true);
priv->phy_rst = reset_control_get(dev, NULL);
- if (IS_ERR(priv->phy_rst)) {
- ret = PTR_ERR(priv->phy_rst);
-
- if (ret != -EPROBE_DEFER)
- dev_warn(dev, "failed to get phy reset\n");
-
- return ret;
- }
+ if (IS_ERR(priv->phy_rst))
+ dev_errp_probe(dev, priv->phy_rst, "getting phy reset\n");
return reset_control_assert(priv->phy_rst);
}
diff --git a/drivers/power/reset/nvmem-reboot-mode.c b/drivers/power/reset/nvmem-reboot-mode.c
index b8dd1c1d46ce..1a9422800ef7 100644
--- a/drivers/power/reset/nvmem-reboot-mode.c
+++ b/drivers/power/reset/nvmem-reboot-mode.c
@@ -43,12 +43,8 @@ static int nvmem_reboot_mode_probe(struct device *dev)
int ret;
cell = nvmem_cell_get(dev, "reboot-mode");
- if (IS_ERR(cell)) {
- ret = PTR_ERR(cell);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "failed to get the nvmem cell reboot-mode: %pe\n", cell);
- return ret;
- }
+ if (IS_ERR(cell))
+ return dev_errp_probe(dev, cell, "getting nvmem cell 'reboot-mode'\n");
nvmem_rbm = xzalloc(sizeof(*nvmem_rbm));
diff --git a/drivers/soc/rockchip/io-domain.c b/drivers/soc/rockchip/io-domain.c
index d31d38b1daf7..9f60b6eb4c28 100644
--- a/drivers/soc/rockchip/io-domain.c
+++ b/drivers/soc/rockchip/io-domain.c
@@ -172,9 +172,7 @@ static int rockchip_iodomain_probe(struct device *dev)
/* If a supply wasn't specified, that's OK */
if (ret == -ENODEV)
continue;
- else if (ret != -EPROBE_DEFER)
- dev_err(dev, "couldn't get regulator %s\n",
- supply_name);
+ dev_err_probe(dev, ret, "getting regulator\n");
goto out;
}
diff --git a/drivers/sound/pwm-beeper.c b/drivers/sound/pwm-beeper.c
index a3d2adb279af..21e57d4b070b 100644
--- a/drivers/sound/pwm-beeper.c
+++ b/drivers/sound/pwm-beeper.c
@@ -61,13 +61,8 @@ static int pwm_beeper_probe(struct device *dev)
dev->priv = beeper;
beeper->pwm = of_pwm_request(dev->of_node, NULL);
- if (IS_ERR(beeper->pwm)) {
- error = PTR_ERR(beeper->pwm);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "Failed to request PWM device: %d\n",
- error);
- return error;
- }
+ if (IS_ERR(beeper->pwm))
+ return dev_errp_probe(dev, beeper->pwm, "requesting PWM device\n");
/* Sync up PWM state and ensure it is off. */
pwm_init_state(beeper->pwm, &state);
@@ -80,13 +75,8 @@ static int pwm_beeper_probe(struct device *dev)
}
beeper->amplifier = regulator_get(dev, "amp");
- if (IS_ERR(beeper->amplifier)) {
- error = PTR_ERR(beeper->amplifier);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "Failed to get 'amp' regulator: %d\n",
- error);
- return error;
- }
+ if (IS_ERR(beeper->amplifier))
+ return dev_errp_probe(dev, beeper->amplifier, "getting 'amp' regulator\n");
error = of_property_read_u32(dev->of_node, "beeper-hz",
&bell_frequency);
diff --git a/drivers/spi/gpio_spi.c b/drivers/spi/gpio_spi.c
index f751ab307879..e5664df3feb7 100644
--- a/drivers/spi/gpio_spi.c
+++ b/drivers/spi/gpio_spi.c
@@ -136,12 +136,9 @@ static int gpio_spi_of_probe(struct device *dev)
return 0;
sck = of_get_named_gpio(np, "gpio-sck", 0);
- if (sck == -EPROBE_DEFER)
- return sck;
- if (!gpio_is_valid(sck)) {
- dev_err(dev, "missing mandatory SCK gpio\n");
- return sck;
- }
+ if (!gpio_is_valid(sck))
+ return dev_err_probe(dev, sck < 0 ? sck : -EINVAL,
+ "missing mandatory SCK gpio\n");
pdata = xzalloc(sizeof(*pdata));
pdata->sck = sck;
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 76622b4d55bf..9c6c4e7bb4b1 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1108,9 +1108,7 @@ musb_init_controller(struct musb *musb, struct musb_hdrc_platform_data *plat)
musb_platform_exit(musb);
fail1:
- if (status != -EPROBE_DEFER)
- dev_err(musb->controller,
- "musb_init_controller failed with status %d\n", status);
+ dev_err_probe(musb->controller, status, "musb_init_controller failed\n");
musb_free(musb);
diff --git a/drivers/w1/masters/w1-gpio.c b/drivers/w1/masters/w1-gpio.c
index 10841e39dd13..20f79ae8dfe7 100644
--- a/drivers/w1/masters/w1-gpio.c
+++ b/drivers/w1/masters/w1-gpio.c
@@ -55,10 +55,8 @@ static int w1_gpio_probe_dt(struct device *dev)
gpio = of_get_gpio(np, 0);
if (!gpio_is_valid(gpio)) {
- if (gpio != -EPROBE_DEFER)
- dev_err(dev,
- "Failed to parse gpio property for data pin (%d)\n",
- gpio);
+ gpio = dev_err_probe(dev, gpio < 0 ? gpio : -EINVAL,
+ "parsing gpio property for data pin\n");
goto free_pdata;
}
--
2.39.2
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