linux-kernel - [PATCH] watchdog: cadence: Do not show error in case of deferred probe

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Message-Id: <d3e295d5ba79f453b4aa4128c4fa63fbd6c16920.1570544944.git.michal.simek@xilinx.com>
Date:   Tue,  8 Oct 2019 16:29:10 +0200
From:   Michal Simek <michal.simek@...inx.com>
To:     linux-kernel@...r.kernel.org, monstr@...str.eu,
        michal.simek@...inx.com, git@...inx.com
Cc:     Guenter Roeck <linux@...ck-us.net>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        linux-watchdog@...r.kernel.org
Subject: [PATCH] watchdog: cadence: Do not show error in case of deferred probe

There is no reason to show error message if clocks are not ready yet.

Signed-off-by: Michal Simek <michal.simek@...inx.com>
---

 drivers/watchdog/cadence_wdt.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/watchdog/cadence_wdt.c b/drivers/watchdog/cadence_wdt.c
index 76d855ce25f3..672b184da875 100644
--- a/drivers/watchdog/cadence_wdt.c
+++ b/drivers/watchdog/cadence_wdt.c
@@ -335,8 +335,10 @@ static int cdns_wdt_probe(struct platform_device *pdev)
 
 	wdt->clk = devm_clk_get(dev, NULL);
 	if (IS_ERR(wdt->clk)) {
-		dev_err(dev, "input clock not found\n");
-		return PTR_ERR(wdt->clk);
+		ret = PTR_ERR(wdt->clk);
+		if (ret != -EPROBE_DEFER)
+			dev_err(dev, "input clock not found\n");
+		return ret;
 	}
 
 	ret = clk_prepare_enable(wdt->clk);
-- 
2.17.1