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usb: misc: onboard_usb_hub: Print symbolic error names

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Instead of printing the decimal error codes, let's use the more
human-readable symbolic error names provided by the %pe printk
format specifier.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Link: https://lore.kernel.org/r/20231127112234.109073-1-frieder@fris.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Frieder Schrempf
2023-11-27 12:22:24 +01:00
committed by Greg Kroah-Hartman
parent 3396b3372e
commit ea3ba10f29
1 changed files with 5 additions and 4 deletions
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9
drivers/usb/misc/onboard_usb_hub.c
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@@ -7,6 +7,7 @@
#include <linux/device.h>
#include <linux/export.h>
#include <linux/err.h>
#include <linux/gpio/consumer.h>
#include <linux/init.h>
#include <linux/kernel.h>
@@ -68,7 +69,7 @@ static int onboard_hub_power_on(struct onboard_hub *hub)
err = regulator_bulk_enable(hub->pdata->num_supplies, hub->supplies);
if (err) {
dev_err(hub->dev, "failed to enable supplies: %d\n", err);
dev_err(hub->dev, "failed to enable supplies: %pe\n", ERR_PTR(err));
return err;
}
@@ -88,7 +89,7 @@ static int onboard_hub_power_off(struct onboard_hub *hub)
err = regulator_bulk_disable(hub->pdata->num_supplies, hub->supplies);
if (err) {
dev_err(hub->dev, "failed to disable supplies: %d\n", err);
dev_err(hub->dev, "failed to disable supplies: %pe\n", ERR_PTR(err));
return err;
}
@@ -235,7 +236,7 @@ static void onboard_hub_attach_usb_driver(struct work_struct *work)
err = driver_attach(&onboard_hub_usbdev_driver.drvwrap.driver);
if (err)
pr_err("Failed to attach USB driver: %d\n", err);
pr_err("Failed to attach USB driver: %pe\n", ERR_PTR(err));
}
static int onboard_hub_probe(struct platform_device *pdev)
@@ -262,7 +263,7 @@ static int onboard_hub_probe(struct platform_device *pdev)
err = devm_regulator_bulk_get(dev, hub->pdata->num_supplies, hub->supplies);
if (err) {
dev_err(dev, "Failed to get regulator supplies: %d\n", err);
dev_err(dev, "Failed to get regulator supplies: %pe\n", ERR_PTR(err));
return err;
}