drm/tinydrm: Replace dev_error with DRM_DEV_ERROR

Convert instances of dev_error to DRM_DEV_ERROR as we have
DRM_DEV_ERROR variants of drm print macros.
Signed-off-by: Harsha Sharma <harshasharmaiitr@gmail.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20171006221738.30200-1-harshasharmaiitr@gmail.com

drivers/gpu/drm/tinydrm/mi0283qt.c

@@ -31,7 +31,7 @@ static int mi0283qt_init(struct mipi_dbi *mipi)
 
 	ret = regulator_enable(mipi->regulator);
 	if (ret) {
-		dev_err(dev, "Failed to enable regulator %d\n", ret);
+		DRM_DEV_ERROR(dev, "Failed to enable regulator %d\n", ret);
 		return ret;
 	}
 
@@ -42,7 +42,7 @@ static int mi0283qt_init(struct mipi_dbi *mipi)
 	mipi_dbi_hw_reset(mipi);
 	ret = mipi_dbi_command(mipi, MIPI_DCS_SOFT_RESET);
 	if (ret) {
-		dev_err(dev, "Error sending command %d\n", ret);
+		DRM_DEV_ERROR(dev, "Error sending command %d\n", ret);
 		regulator_disable(mipi->regulator);
 		return ret;
 	}
@@ -174,13 +174,13 @@ static int mi0283qt_probe(struct spi_device *spi)
 
 	mipi->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
 	if (IS_ERR(mipi->reset)) {
-		dev_err(dev, "Failed to get gpio 'reset'\n");
+		DRM_DEV_ERROR(dev, "Failed to get gpio 'reset'\n");
 		return PTR_ERR(mipi->reset);
 	}
 
 	dc = devm_gpiod_get_optional(dev, "dc", GPIOD_OUT_LOW);
 	if (IS_ERR(dc)) {
-		dev_err(dev, "Failed to get gpio 'dc'\n");
+		DRM_DEV_ERROR(dev, "Failed to get gpio 'dc'\n");
 		return PTR_ERR(dc);
 	}
 

drivers/gpu/drm/tinydrm/repaper.c

@@ -474,8 +474,7 @@ static void repaper_get_temperature(struct repaper_epd *epd)
 
 	ret = thermal_zone_get_temp(epd->thermal, &temperature);
 	if (ret) {
-		dev_err(&epd->spi->dev, "Failed to get temperature (%d)\n",
-			ret);
+		DRM_DEV_ERROR(&epd->spi->dev, "Failed to get temperature (%d)\n", ret);
 		return;
 	}
 
@@ -630,7 +629,7 @@ static int repaper_fb_dirty(struct drm_framebuffer *fb,
 	mutex_unlock(&tdev->dirty_lock);
 
 	if (ret)
-		dev_err(fb->dev->dev, "Failed to update display (%d)\n", ret);
+		DRM_DEV_ERROR(fb->dev->dev, "Failed to update display (%d)\n", ret);
 	kfree(buf);
 
 	return ret;
@@ -704,7 +703,7 @@ static void repaper_pipe_enable(struct drm_simple_display_pipe *pipe,
 	}
 
 	if (!i) {
-		dev_err(dev, "timeout waiting for panel to become ready.\n");
+		DRM_DEV_ERROR(dev, "timeout waiting for panel to become ready.\n");
 		power_off(epd);
 		return;
 	}
@@ -726,9 +725,9 @@ static void repaper_pipe_enable(struct drm_simple_display_pipe *pipe,
 	ret = repaper_read_val(spi, 0x0f);
 	if (ret < 0 || !(ret & 0x80)) {
 		if (ret < 0)
-			dev_err(dev, "failed to read chip (%d)\n", ret);
+			DRM_DEV_ERROR(dev, "failed to read chip (%d)\n", ret);
 		else
-			dev_err(dev, "panel is reported broken\n");
+			DRM_DEV_ERROR(dev, "panel is reported broken\n");
 		power_off(epd);
 		return;
 	}
@@ -768,7 +767,7 @@ static void repaper_pipe_enable(struct drm_simple_display_pipe *pipe,
 		/* check DC/DC */
 		ret = repaper_read_val(spi, 0x0f);
 		if (ret < 0) {
-			dev_err(dev, "failed to read chip (%d)\n", ret);
+			DRM_DEV_ERROR(dev, "failed to read chip (%d)\n", ret);
 			power_off(epd);
 			return;
 		}
@@ -780,7 +779,7 @@ static void repaper_pipe_enable(struct drm_simple_display_pipe *pipe,
 	}
 
 	if (!dc_ok) {
-		dev_err(dev, "dc/dc failed\n");
+		DRM_DEV_ERROR(dev, "dc/dc failed\n");
 		power_off(epd);
 		return;
 	}
@@ -960,7 +959,7 @@ static int repaper_probe(struct spi_device *spi)
 	if (IS_ERR(epd->panel_on)) {
 		ret = PTR_ERR(epd->panel_on);
 		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "Failed to get gpio 'panel-on'\n");
+			DRM_DEV_ERROR(dev, "Failed to get gpio 'panel-on'\n");
 		return ret;
 	}
 
@@ -968,7 +967,7 @@ static int repaper_probe(struct spi_device *spi)
 	if (IS_ERR(epd->discharge)) {
 		ret = PTR_ERR(epd->discharge);
 		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "Failed to get gpio 'discharge'\n");
+			DRM_DEV_ERROR(dev, "Failed to get gpio 'discharge'\n");
 		return ret;
 	}
 
@@ -976,7 +975,7 @@ static int repaper_probe(struct spi_device *spi)
 	if (IS_ERR(epd->reset)) {
 		ret = PTR_ERR(epd->reset);
 		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "Failed to get gpio 'reset'\n");
+			DRM_DEV_ERROR(dev, "Failed to get gpio 'reset'\n");
 		return ret;
 	}
 
@@ -984,7 +983,7 @@ static int repaper_probe(struct spi_device *spi)
 	if (IS_ERR(epd->busy)) {
 		ret = PTR_ERR(epd->busy);
 		if (ret != -EPROBE_DEFER)
-			dev_err(dev, "Failed to get gpio 'busy'\n");
+			DRM_DEV_ERROR(dev, "Failed to get gpio 'busy'\n");
 		return ret;
 	}
 
@@ -992,8 +991,7 @@ static int repaper_probe(struct spi_device *spi)
 					 &thermal_zone)) {
 		epd->thermal = thermal_zone_get_zone_by_name(thermal_zone);
 		if (IS_ERR(epd->thermal)) {
-			dev_err(dev, "Failed to get thermal zone: %s\n",
-				thermal_zone);
+			DRM_DEV_ERROR(dev, "Failed to get thermal zone: %s\n", thermal_zone);
 			return PTR_ERR(epd->thermal);
 		}
 	}
@@ -1034,7 +1032,7 @@ static int repaper_probe(struct spi_device *spi)
 		if (IS_ERR(epd->border)) {
 			ret = PTR_ERR(epd->border);
 			if (ret != -EPROBE_DEFER)
-				dev_err(dev, "Failed to get gpio 'border'\n");
+				DRM_DEV_ERROR(dev, "Failed to get gpio 'border'\n");
 			return ret;
 		}
 

drivers/gpu/drm/tinydrm/st7586.c

@@ -188,7 +188,7 @@ static void st7586_pipe_enable(struct drm_simple_display_pipe *pipe,
 	mipi_dbi_hw_reset(mipi);
 	ret = mipi_dbi_command(mipi, ST7586_AUTO_READ_CTRL, 0x9f);
 	if (ret) {
-		dev_err(dev, "Error sending command %d\n", ret);
+		DRM_DEV_ERROR(dev, "Error sending command %d\n", ret);
 		return;
 	}
 
@@ -355,13 +355,13 @@ static int st7586_probe(struct spi_device *spi)
 
 	mipi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
 	if (IS_ERR(mipi->reset)) {
-		dev_err(dev, "Failed to get gpio 'reset'\n");
+		DRM_DEV_ERROR(dev, "Failed to get gpio 'reset'\n");
 		return PTR_ERR(mipi->reset);
 	}
 
 	a0 = devm_gpiod_get(dev, "a0", GPIOD_OUT_LOW);
 	if (IS_ERR(a0)) {
-		dev_err(dev, "Failed to get gpio 'a0'\n");
+		DRM_DEV_ERROR(dev, "Failed to get gpio 'a0'\n");
 		return PTR_ERR(a0);
 	}