linux-kernel - [PATCH] phy: tegra: xusb: Don't warn on probe defer

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Message-ID: <20200224143641.5851-1-jonathanh@nvidia.com>
Date:   Mon, 24 Feb 2020 14:36:41 +0000
From:   Jon Hunter <jonathanh@...dia.com>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Thierry Reding <thierry.reding@...il.com>
CC:     <linux-kernel@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        Jon Hunter <jonathanh@...dia.com>
Subject: [PATCH] phy: tegra: xusb: Don't warn on probe defer

Deferred probe is an expected return value for tegra_fuse_readl().
Given that the driver deals with it properly, there's no need to
output a warning that may potentially confuse users.

Signed-off-by: Jon Hunter <jonathanh@...dia.com>
---
 drivers/phy/tegra/xusb-tegra186.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/tegra/xusb-tegra186.c b/drivers/phy/tegra/xusb-tegra186.c
index 84c27394c181..12d0f3e30dbc 100644
--- a/drivers/phy/tegra/xusb-tegra186.c
+++ b/drivers/phy/tegra/xusb-tegra186.c
@@ -802,7 +802,9 @@ tegra186_xusb_read_fuse_calibration(struct tegra186_xusb_padctl *padctl)
 
 	err = tegra_fuse_readl(TEGRA_FUSE_SKU_CALIB_0, &value);
 	if (err) {
-		dev_err(dev, "failed to read calibration fuse: %d\n", err);
+		if (err != -EPROBE_DEFER)
+			dev_err(dev, "failed to read calibration fuse: %d\n",
+				err);
 		return err;
 	}
 
-- 
2.17.1