From: Thierry Reding <treding@nvidia.com>
Date: Wed, 18 Mar 2020 23:25:13 +0100
Subject: phy: tegra: Print -EPROBE_DEFER error message at debug level
Git-commit: 562835644667459c701b08c036fbe72443a3fb71
Patch-mainline: v5.7-rc1
References: jsc#SLE-15847
Probe deferral is an expected error condition that will usually be
recovered from. Print such error messages at debug level to make them
available for diagnostic purposes when building with debugging enabled
and hide them otherwise to not spam the kernel log with them.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
drivers/phy/tegra/xusb.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c
index b207209cf937..babc63e568da 100644
--- a/drivers/phy/tegra/xusb.c
+++ b/drivers/phy/tegra/xusb.c
@@ -1174,7 +1174,13 @@ static int tegra_xusb_padctl_probe(struct platform_device *pdev)
err = tegra_xusb_setup_ports(padctl);
if (err) {
- dev_err(&pdev->dev, "failed to setup XUSB ports: %d\n", err);
+ const char *level = KERN_ERR;
+
+ if (err == -EPROBE_DEFER)
+ level = KERN_DEBUG;
+
+ dev_printk(level, &pdev->dev,
+ dev_fmt("failed to setup XUSB ports: %d\n"), err);
goto remove_pads;
}
--
2.26.2