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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: linux-fbdev@vger.kernel.org
Subject: [PATCH v1 2/5] video: ssd1307fb: Introduce temporary variable to increase readability
Date: Tue, 24 Mar 2020 17:05:29 +0000	[thread overview]
Message-ID: <20200324170532.44384-2-andriy.shevchenko@linux.intel.com> (raw)

Introduce temporary variable to increase readability of the code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/video/fbdev/ssd1307fb.c | 34 ++++++++++++++-------------------
 1 file changed, 14 insertions(+), 20 deletions(-)

diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 397eae246c2c..84dfd7b0f682 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -588,6 +588,7 @@ MODULE_DEVICE_TABLE(of, ssd1307fb_of_match);
 
 static int ssd1307fb_probe(struct i2c_client *client)
 {
+	struct device *dev = &client->dev;
 	struct backlight_device *bl;
 	char bl_name[12];
 	struct fb_info *info;
@@ -598,7 +599,7 @@ static int ssd1307fb_probe(struct i2c_client *client)
 	void *vmem;
 	int ret;
 
-	info = framebuffer_alloc(sizeof(struct ssd1307fb_par), &client->dev);
+	info = framebuffer_alloc(sizeof(struct ssd1307fb_par), dev);
 	if (!info)
 		return -ENOMEM;
 
@@ -608,23 +609,20 @@ static int ssd1307fb_probe(struct i2c_client *client)
 
 	par->device_info = of_device_get_match_data(&client->dev);
 
-	par->reset = devm_gpiod_get_optional(&client->dev, "reset",
-					     GPIOD_OUT_LOW);
+	par->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
 	if (IS_ERR(par->reset)) {
-		dev_err(&client->dev, "failed to get reset gpio: %ld\n",
-			PTR_ERR(par->reset));
+		dev_err(dev, "failed to get reset gpio: %ld\n", PTR_ERR(par->reset));
 		ret = PTR_ERR(par->reset);
 		goto fb_alloc_error;
 	}
 
-	par->vbat_reg = devm_regulator_get_optional(&client->dev, "vbat");
+	par->vbat_reg = devm_regulator_get_optional(dev, "vbat");
 	if (IS_ERR(par->vbat_reg)) {
 		ret = PTR_ERR(par->vbat_reg);
 		if (ret = -ENODEV) {
 			par->vbat_reg = NULL;
 		} else {
-			dev_err(&client->dev, "failed to get VBAT regulator: %d\n",
-				ret);
+			dev_err(dev, "failed to get VBAT regulator: %d\n", ret);
 			goto fb_alloc_error;
 		}
 	}
@@ -674,15 +672,14 @@ static int ssd1307fb_probe(struct i2c_client *client)
 	vmem = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO,
 					get_order(vmem_size));
 	if (!vmem) {
-		dev_err(&client->dev, "Couldn't allocate graphical memory.\n");
+		dev_err(dev, "Couldn't allocate graphical memory.\n");
 		ret = -ENOMEM;
 		goto fb_alloc_error;
 	}
 
-	ssd1307fb_defio = devm_kzalloc(&client->dev, sizeof(*ssd1307fb_defio),
-				       GFP_KERNEL);
+	ssd1307fb_defio = devm_kzalloc(dev, sizeof(*ssd1307fb_defio), GFP_KERNEL);
 	if (!ssd1307fb_defio) {
-		dev_err(&client->dev, "Couldn't allocate deferred io.\n");
+		dev_err(dev, "Couldn't allocate deferred io.\n");
 		ret = -ENOMEM;
 		goto fb_alloc_error;
 	}
@@ -720,8 +717,7 @@ static int ssd1307fb_probe(struct i2c_client *client)
 	if (par->vbat_reg) {
 		ret = regulator_enable(par->vbat_reg);
 		if (ret) {
-			dev_err(&client->dev, "failed to enable VBAT: %d\n",
-				ret);
+			dev_err(dev, "failed to enable VBAT: %d\n", ret);
 			goto reset_oled_error;
 		}
 	}
@@ -732,17 +728,15 @@ static int ssd1307fb_probe(struct i2c_client *client)
 
 	ret = register_framebuffer(info);
 	if (ret) {
-		dev_err(&client->dev, "Couldn't register the framebuffer\n");
+		dev_err(dev, "Couldn't register the framebuffer\n");
 		goto panel_init_error;
 	}
 
 	snprintf(bl_name, sizeof(bl_name), "ssd1307fb%d", info->node);
-	bl = backlight_device_register(bl_name, &client->dev, par,
-				       &ssd1307fb_bl_ops, NULL);
+	bl = backlight_device_register(bl_name, dev, par, &ssd1307fb_bl_ops, NULL);
 	if (IS_ERR(bl)) {
 		ret = PTR_ERR(bl);
-		dev_err(&client->dev, "unable to register backlight device: %d\n",
-			ret);
+		dev_err(dev, "unable to register backlight device: %d\n", ret);
 		goto bl_init_error;
 	}
 
@@ -750,7 +744,7 @@ static int ssd1307fb_probe(struct i2c_client *client)
 	bl->props.max_brightness = MAX_CONTRAST;
 	info->bl_dev = bl;
 
-	dev_info(&client->dev, "fb%d: %s framebuffer device registered, using %d bytes of video memory\n", info->node, info->fix.id, vmem_size);
+	dev_info(dev, "fb%d: %s framebuffer device registered, using %d bytes of video memory\n", info->node, info->fix.id, vmem_size);
 
 	return 0;
 
-- 
2.25.1

         reply	other threads:[~2020-03-24 17:05 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20200324170539eucas1p25909201d48429c9489c286ac18af0f1c@eucas1p2.samsung.com>
2020-03-24 17:05 ` [PATCH v1 1/5] video: ssd1307fb: Convert driver to use ->probe_new() Andy Shevchenko
     [not found]   ` <CGME20200324170551eucas1p2a568c0296a5773cdf70e162c5a1e9b72@eucas1p2.samsung.com>
2020-03-24 17:05     ` Andy Shevchenko [this message]
2020-04-17 14:07       ` [PATCH v1 2/5] video: ssd1307fb: Introduce temporary variable to increase readability Bartlomiej Zolnierkiewicz
     [not found]   ` <CGME20200324170554eucas1p164794d0c08b18a1d066b2b83957c73a1@eucas1p1.samsung.com>
2020-03-24 17:05     ` [PATCH v1 3/5] video: ssd1307fb: Make use of device properties Andy Shevchenko
2020-04-17 14:07       ` Bartlomiej Zolnierkiewicz
     [not found]   ` <CGME20200324170539eucas1p12a3a4f7cd0d8cbd86f40d70a65ab0df5@eucas1p1.samsung.com>
2020-03-24 17:05     ` [PATCH v1 4/5] video: ssd1307fb: Convert to atomic PWM API Andy Shevchenko
2020-04-17 14:07       ` Bartlomiej Zolnierkiewicz
     [not found]   ` <CGME20200324170539eucas1p19f81f8c31975734ab56e19d15033be77@eucas1p1.samsung.com>
2020-03-24 17:05     ` [PATCH v1 5/5] video: ssd1307fb: Remove redundant forward declaration Andy Shevchenko
2020-04-17 14:07       ` Bartlomiej Zolnierkiewicz
2020-03-30  9:51   ` [PATCH v1 1/5] video: ssd1307fb: Convert driver to use ->probe_new() Andy Shevchenko
2020-04-15 14:20   ` Andy Shevchenko
2020-04-15 14:36     ` Bartlomiej Zolnierkiewicz
2020-04-17 14:07   ` Bartlomiej Zolnierkiewicz

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