Re: [PATCH v1 4/5] usb: fotg210: Switch to use dev_err_probe()

From: Christophe JAILLET
Date: Thu Feb 16 2023 - 03:07:20 EST


Le 20/01/2023 à 16:44, Andy Shevchenko a écrit :
Switch to use dev_err_probe() to simplify the error paths and
unify message template.

Signed-off-by: Andy Shevchenko <andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@xxxxxxxxxxxxxxxx>
---
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));

Hi,
the patch is already applied, but is dev_name(dev) needed here?

CJ

}
/*
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;
}