linux-kernel - [PATCH v1 4/5] usb: fotg210: Switch to use dev_err

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Date:   Fri, 20 Jan 2023 17:44:36 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 4/5] usb: fotg210: Switch to use dev_err_probe()

Switch to use dev_err_probe() to simplify the error paths and
unify message template.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/usb/fotg210/fotg210-core.c | 6 ++----
 drivers/usb/fotg210/fotg210-hcd.c  | 8 +++-----
 drivers/usb/fotg210/fotg210-udc.c  | 2 +-
 3 files changed, 6 insertions(+), 10 deletions(-)

diff --git a/drivers/usb/fotg210/fotg210-core.c b/drivers/usb/fotg210/fotg210-core.c
index c06f8eb3acbd..ce00d9407ce5 100644
--- a/drivers/usb/fotg210/fotg210-core.c
+++ b/drivers/usb/fotg210/fotg210-core.c
@@ -50,10 +50,8 @@ static int fotg210_gemini_init(struct fotg210 *fotg, struct resource *res,
 	int ret;
 
 	map = syscon_regmap_lookup_by_phandle(np, "syscon");
-	if (IS_ERR(map)) {
-		dev_err(dev, "no syscon\n");
-		return PTR_ERR(map);
-	}
+	if (IS_ERR(map))
+		return dev_err_probe(dev, PTR_ERR(map), "no syscon\n");
 	fotg->map = map;
 	wakeup = of_property_read_bool(np, "wakeup-source");
 
diff --git a/drivers/usb/fotg210/fotg210-hcd.c b/drivers/usb/fotg210/fotg210-hcd.c
index 5a934f5343a7..613d29f04bcb 100644
--- a/drivers/usb/fotg210/fotg210-hcd.c
+++ b/drivers/usb/fotg210/fotg210-hcd.c
@@ -5575,8 +5575,7 @@ int fotg210_hcd_probe(struct platform_device *pdev, struct fotg210 *fotg)
 	hcd = usb_create_hcd(&fotg210_fotg210_hc_driver, dev,
 			dev_name(dev));
 	if (!hcd) {
-		dev_err(dev, "failed to create hcd\n");
-		retval = -ENOMEM;
+		retval = dev_err_probe(dev, -ENOMEM, "failed to create hcd\n");
 		goto fail_create_hcd;
 	}
 
@@ -5600,7 +5599,7 @@ int fotg210_hcd_probe(struct platform_device *pdev, struct fotg210 *fotg)
 
 	retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
 	if (retval) {
-		dev_err(dev, "failed to add hcd with err %d\n", retval);
+		dev_err_probe(dev, retval, "failed to add hcd\n");
 		goto failed_put_hcd;
 	}
 	device_wakeup_enable(hcd->self.controller);
@@ -5611,8 +5610,7 @@ int fotg210_hcd_probe(struct platform_device *pdev, struct fotg210 *fotg)
 failed_put_hcd:
 	usb_put_hcd(hcd);
 fail_create_hcd:
-	dev_err(dev, "init %s fail, %d\n", dev_name(dev), retval);
-	return retval;
+	return dev_err_probe(dev, retval, "init %s fail\n", dev_name(dev));
 }
 
 /*
diff --git a/drivers/usb/fotg210/fotg210-udc.c b/drivers/usb/fotg210/fotg210-udc.c
index 18d254125186..5b515f5cb2d7 100644
--- a/drivers/usb/fotg210/fotg210-udc.c
+++ b/drivers/usb/fotg210/fotg210-udc.c
@@ -1258,7 +1258,7 @@ int fotg210_udc_probe(struct platform_device *pdev, struct fotg210 *fotg)
 	ret = request_irq(irq, fotg210_irq, IRQF_SHARED,
 			  udc_name, fotg210);
 	if (ret < 0) {
-		dev_err(dev, "request_irq error (%d)\n", ret);
+		dev_err_probe(dev, ret, "request_irq error\n");
 		goto err_req;
 	}
 
-- 
2.39.0