linux-kernel - [PATCH 1/2] clocksource/drivers/timer-of: Do not warn on deferred probe

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Message-ID: <20190821150241.31093-1-jonathanh@nvidia.com>
Date:   Wed, 21 Aug 2019 16:02:40 +0100
From:   Jon Hunter <jonathanh@...dia.com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>
CC:     <linux-kernel@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        Jon Hunter <jonathanh@...dia.com>
Subject: [PATCH 1/2] clocksource/drivers/timer-of: Do not warn on deferred probe

Deferred probe is an expected return value for clk_get() on many
platforms. The driver deals with it properly, so there's no need
to output a warning that may potentially confuse users.

Signed-off-by: Jon Hunter <jonathanh@...dia.com>
---
 drivers/clocksource/timer-of.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/clocksource/timer-of.c b/drivers/clocksource/timer-of.c
index 80542289fae7..d8c2bd4391d0 100644
--- a/drivers/clocksource/timer-of.c
+++ b/drivers/clocksource/timer-of.c
@@ -113,8 +113,10 @@ static __init int timer_of_clk_init(struct device_node *np,
 	of_clk->clk = of_clk->name ? of_clk_get_by_name(np, of_clk->name) :
 		of_clk_get(np, of_clk->index);
 	if (IS_ERR(of_clk->clk)) {
-		pr_err("Failed to get clock for %pOF\n", np);
-		return PTR_ERR(of_clk->clk);
+		ret = PTR_ERR(of_clk->clk);
+		if (ret != -EPROBE_DEFER)
+			pr_err("Failed to get clock for %pOF\n", np);
+		goto out;
 	}
 
 	ret = clk_prepare_enable(of_clk->clk);
-- 
2.17.1