[PATCH] phy: tegra: xusb: Use dev_err_probe() to simplify code

Yuan Can yuancan at huawei.com
Thu Sep 22 02:22:43 PDT 2022


In the probe path, dev_err() can be replaced with dev_err_probe()
which will check if error code is -EPROBE_DEFER and prints the
error name. It also sets the defer probe reason which can be
checked later through debugfs.

Signed-off-by: Yuan Can <yuancan at huawei.com>
---
 drivers/phy/tegra/xusb-tegra186.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/phy/tegra/xusb-tegra186.c b/drivers/phy/tegra/xusb-tegra186.c
index 5abdf81aa143..0996ede63387 100644
--- a/drivers/phy/tegra/xusb-tegra186.c
+++ b/drivers/phy/tegra/xusb-tegra186.c
@@ -1384,12 +1384,9 @@ tegra186_xusb_read_fuse_calibration(struct tegra186_xusb_padctl *padctl)
 		return -ENOMEM;
 
 	err = tegra_fuse_readl(TEGRA_FUSE_SKU_CALIB_0, &value);
-	if (err) {
-		if (err != -EPROBE_DEFER)
-			dev_err(dev, "failed to read calibration fuse: %d\n",
-				err);
-		return err;
-	}
+	if (err)
+		return dev_err_probe(dev, err,
+				     "failed to read calibration fuse\n");
 
 	dev_dbg(dev, "FUSE_USB_CALIB_0 %#x\n", value);
 
-- 
2.17.1




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