From: Jim Quinlan <james.quinlan@broadcom.com>
Date: Mon, 16 Dec 2019 23:08:02 +0000 (-0500)
Subject: spi: bcm2835: no dev_err() on clk_get() -EPROBE_DEFER
X-Git-Tag: accepted/tizen/unified/20200729.165701~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7910ee05e9639da886002cfc93a5513c3b568db8;p=platform%2Fkernel%2Flinux-rpi.git

spi: bcm2835: no dev_err() on clk_get() -EPROBE_DEFER

Use dev_dbg() on -EPROBE_DEFER and dev_err() on all
other errors.

Signed-off-by: Jim Quinlan <jquinlan@broadcom.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20191216230802.45715-2-jquinlan@broadcom.com
Signed-off-by: Mark Brown <broonie@kernel.org>

[sw0312.kim: cherry-pick mainline commit f4dc4abdce4c to remove unnecessary message]
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>

Change-Id: I43fda55a507e6f1371ed1fe33756d6fe823cfd2a
---

diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c
index 6899558..6afb653 100644
--- a/drivers/spi/spi-bcm2835.c
+++ b/drivers/spi/spi-bcm2835.c
@@ -1309,7 +1309,10 @@ static int bcm2835_spi_probe(struct platform_device *pdev)
 	bs->clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(bs->clk)) {
 		err = PTR_ERR(bs->clk);
-		dev_err(&pdev->dev, "could not get clk: %d\n", err);
+		if (err == -EPROBE_DEFER)
+			dev_dbg(&pdev->dev, "could not get clk: %d\n", err);
+		else
+			dev_err(&pdev->dev, "could not get clk: %d\n", err);
 		goto out_controller_put;
 	}