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Message-ID: <20231127111332.107640-1-frieder@fris.de>
Date: Mon, 27 Nov 2023 12:13:22 +0100
From: Frieder Schrempf <frieder@...s.de>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
Matthias Kaehlcke <mka@...omium.org>
Cc: Frieder Schrempf <frieder.schrempf@...tron.de>,
Alexander Stein <alexander.stein@...tq-group.com>,
Anand Moon <linux.amoon@...il.com>,
Benjamin Bara <benjamin.bara@...data.com>,
Rob Herring <robh@...nel.org>,
Uwe Kleine-König
<u.kleine-koenig@...gutronix.de>
Subject: [PATCH 1/3] usb: misc: onboard_usb_hub: Print symbolic error names
From: Frieder Schrempf <frieder.schrempf@...tron.de>
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@...tron.de>
---
Changes in v2:
* new patch
---
drivers/usb/misc/onboard_usb_hub.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/misc/onboard_usb_hub.c b/drivers/usb/misc/onboard_usb_hub.c
index a341b2fbb7b44..077824beffa01 100644
--- a/drivers/usb/misc/onboard_usb_hub.c
+++ b/drivers/usb/misc/onboard_usb_hub.c
@@ -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;
}
--
2.42.1
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