linux-kernel - [PATCH v3 3/4] staging: fbtft: Don't spam logs when probe is deferred

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Message-Id: <20210428130415.55406-4-andriy.shevchenko@linux.intel.com>
Date:   Wed, 28 Apr 2021 16:04:14 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Phil Reid <preid@...ctromag.com.au>,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH v3 3/4] staging: fbtft: Don't spam logs when probe is deferred

When requesting GPIO line the probe can be deferred.
In such case don't spam logs with an error message.
This can be achieved by switching to dev_err_probe().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/staging/fbtft/fbtft-core.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
index 67c3b1975a4d..a564907c4fa1 100644
--- a/drivers/staging/fbtft/fbtft-core.c
+++ b/drivers/staging/fbtft/fbtft-core.c
@@ -75,20 +75,16 @@ static int fbtft_request_one_gpio(struct fbtft_par *par,
 				  struct gpio_desc **gpiop)
 {
 	struct device *dev = par->info->device;
-	int ret = 0;
 
 	*gpiop = devm_gpiod_get_index_optional(dev, name, index,
 					       GPIOD_OUT_LOW);
-	if (IS_ERR(*gpiop)) {
-		ret = PTR_ERR(*gpiop);
-		dev_err(dev,
-			"Failed to request %s GPIO: %d\n", name, ret);
-		return ret;
-	}
+	if (IS_ERR(*gpiop))
+		dev_err_probe(dev, PTR_ERR(*gpiop), "Failed to request %s GPIO\n", name);
+
 	fbtft_par_dbg(DEBUG_REQUEST_GPIOS, par, "%s: '%s' GPIO\n",
 		      __func__, name);
 
-	return ret;
+	return 0;
 }
 
 static int fbtft_request_gpios(struct fbtft_par *par)
-- 
2.30.2