fbdev changes for 4.3

* Minor fixes and cleanups
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Merge tag 'fbdev-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux

Pull fbdev updates from Tomi Valkeinen:
 "Minor fixes and cleanups"

* tag 'fbdev-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
  video: fbdev: atmel_lcdfb: remove useless include
  video: fbdev: pxa168fb: Use devm_clk_get
  fbdev: ssd1307fb: fix error return code
  fbdev: fix snprintf() limit in show_bl_curve()
  video: fbdev: s3c-fb: Constify platform_device_id
  video: fbdev: atmel: fix warning for const return value
  video: fbdev: Drop owner assignment from platform_driver
  video: fbdev: Drop owner assignment from i2c_driver
  fbdev: remove unnecessary memset in vfb
  framebuffer: disable vgacon on microblaze arch
  fbdev: udlfb: remove unneeded initialization in few places
  fbdev: Allow compile test of GPIO consumers if !GPIOLIB
  fbdev: fix cea_modes array size

drivers/video/console/Kconfig

@@ -9,7 +9,7 @@ config VGA_CONSOLE
 	depends on !4xx && !8xx && !SPARC && !M68K && !PARISC && !FRV && \
 		!SUPERH && !BLACKFIN && !AVR32 && !MN10300 && !CRIS && \
 		(!ARM || ARCH_FOOTBRIDGE || ARCH_INTEGRATOR || ARCH_NETWINDER) && \
-		!ARM64 && !ARC
+		!ARM64 && !ARC && !MICROBLAZE
 	default y
 	help
 	  Saying Y here will allow you to use Linux in text mode through a

drivers/video/fbdev/Kconfig

@@ -2464,7 +2464,7 @@ config FB_SSD1307
 	tristate "Solomon SSD1307 framebuffer support"
 	depends on FB && I2C
 	depends on OF
-	depends on GPIOLIB
+	depends on GPIOLIB || COMPILE_TEST
 	select FB_SYS_FOPS
 	select FB_SYS_FILLRECT
 	select FB_SYS_COPYAREA

drivers/video/fbdev/atmel_lcdfb.c

@@ -19,7 +19,6 @@
 #include <linux/backlight.h>
 #include <linux/gfp.h>
 #include <linux/module.h>
-#include <linux/platform_data/atmel.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/of_gpio.h>
@@ -999,7 +998,7 @@ static const char *atmel_lcdfb_wiring_modes[] = {
 	[ATMEL_LCDC_WIRING_RGB]	= "RGB",
 };
 
-const int atmel_lcdfb_get_of_wiring_modes(struct device_node *np)
+static int atmel_lcdfb_get_of_wiring_modes(struct device_node *np)
 {
 	const char *mode;
 	int err, i;

drivers/video/fbdev/core/fbmon.c

@@ -1072,9 +1072,9 @@ void fb_edid_add_monspecs(unsigned char *edid, struct fb_monspecs *specs)
 
 	for (i = specs->modedb_len + num; i < specs->modedb_len + num + svd_n; i++) {
 		int idx = svd[i - specs->modedb_len - num];
-		if (!idx || idx > 63) {
+		if (!idx || idx >= ARRAY_SIZE(cea_modes)) {
 			pr_warning("Reserved SVD code %d\n", idx);
-		} else if (idx > ARRAY_SIZE(cea_modes) || !cea_modes[idx].xres) {
+		} else if (!cea_modes[idx].xres) {
 			pr_warning("Unimplemented SVD code %d\n", idx);
 		} else {
 			memcpy(&m[i], cea_modes + idx, sizeof(m[i]));

drivers/video/fbdev/core/fbsysfs.c

@@ -485,7 +485,7 @@ static ssize_t show_bl_curve(struct device *device,
 
 	mutex_lock(&fb_info->bl_curve_mutex);
 	for (i = 0; i < FB_BACKLIGHT_LEVELS; i += 8)
-		len += snprintf(&buf[len], PAGE_SIZE, "%8ph\n",
+		len += scnprintf(&buf[len], PAGE_SIZE - len, "%8ph\n",
 				fb_info->bl_curve + i);
 	mutex_unlock(&fb_info->bl_curve_mutex);
 

drivers/video/fbdev/core/modedb.c

@@ -289,7 +289,7 @@ static const struct fb_videomode modedb[] = {
 };
 
 #ifdef CONFIG_FB_MODE_HELPERS
-const struct fb_videomode cea_modes[64] = {
+const struct fb_videomode cea_modes[65] = {
 	/* #1: 640x480p@59.94/60Hz */
 	[1] = {
 		NULL, 60, 640, 480, 39722, 48, 16, 33, 10, 96, 2, 0,

drivers/video/fbdev/omap2/displays-new/encoder-opa362.c

@@ -266,7 +266,6 @@ static struct platform_driver opa362_driver = {
 	.remove	= __exit_p(opa362_remove),
 	.driver	= {
 		.name	= "amplifier-opa362",
-		.owner	= THIS_MODULE,
 		.of_match_table = opa362_of_match,
 		.suppress_bind_attrs = true,
 	},

drivers/video/fbdev/pxa168fb.c

@@ -615,7 +615,7 @@ static int pxa168fb_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	clk = clk_get(&pdev->dev, "LCDCLK");
+	clk = devm_clk_get(&pdev->dev, "LCDCLK");
 	if (IS_ERR(clk)) {
 		dev_err(&pdev->dev, "unable to get LCDCLK");
 		return PTR_ERR(clk);
@@ -624,21 +624,18 @@ static int pxa168fb_probe(struct platform_device *pdev)
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (res == NULL) {
 		dev_err(&pdev->dev, "no IO memory defined\n");
-		ret = -ENOENT;
-		goto failed_put_clk;
+		return -ENOENT;
 	}
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
 		dev_err(&pdev->dev, "no IRQ defined\n");
-		ret = -ENOENT;
-		goto failed_put_clk;
+		return -ENOENT;
 	}
 
 	info = framebuffer_alloc(sizeof(struct pxa168fb_info), &pdev->dev);
 	if (info == NULL) {
-		ret = -ENOMEM;
-		goto failed_put_clk;
+		return -ENOMEM;
 	}
 
 	/* Initialize private data */
@@ -776,8 +773,6 @@ failed_free_fbmem:
 			info->screen_base, fbi->fb_start_dma);
 failed_free_info:
 	kfree(info);
-failed_put_clk:
-	clk_put(clk);
 
 	dev_err(&pdev->dev, "frame buffer device init failed with %d\n", ret);
 	return ret;
@@ -813,7 +808,6 @@ static int pxa168fb_remove(struct platform_device *pdev)
 				info->screen_base, info->fix.smem_start);
 
 	clk_disable(fbi->clk);
-	clk_put(fbi->clk);
 
 	framebuffer_release(info);
 

drivers/video/fbdev/s3c-fb.c

@@ -1938,7 +1938,7 @@ static struct s3c_fb_driverdata s3c_fb_data_s3c2443 = {
 	},
 };
 
-static struct platform_device_id s3c_fb_driver_ids[] = {
+static const struct platform_device_id s3c_fb_driver_ids[] = {
 	{
 		.name		= "s3c-fb",
 		.driver_data	= (unsigned long)&s3c_fb_data_64xx,

drivers/video/fbdev/ssd1307fb.c

@@ -656,8 +656,9 @@ static int ssd1307fb_probe(struct i2c_client *client,
 	bl = backlight_device_register(bl_name, &client->dev, par,
 				       &ssd1307fb_bl_ops, NULL);
 	if (IS_ERR(bl)) {
-		dev_err(&client->dev, "unable to register backlight device: %ld\n",
-			PTR_ERR(bl));
+		ret = PTR_ERR(bl);
+		dev_err(&client->dev, "unable to register backlight device: %d\n",
+			ret);
 		goto bl_init_error;
 	}
 
@@ -719,7 +720,6 @@ static struct i2c_driver ssd1307fb_driver = {
 	.driver = {
 		.name = "ssd1307fb",
 		.of_match_table = ssd1307fb_of_match,
-		.owner = THIS_MODULE,
 	},
 };
 

drivers/video/fbdev/udlfb.c

@@ -279,7 +279,7 @@ static int dlfb_set_video_mode(struct dlfb_data *dev,
 {
 	char *buf;
 	char *wrptr;
-	int retval = 0;
+	int retval;
 	int writesize;
 	struct urb *urb;
 
@@ -1505,8 +1505,7 @@ static int dlfb_parse_vendor_descriptor(struct dlfb_data *dev,
 	char *desc;
 	char *buf;
 	char *desc_end;
-
-	int total_len = 0;
+	int total_len;
 
 	buf = kzalloc(MAX_VENDOR_DESCRIPTOR_SIZE, GFP_KERNEL);
 	if (!buf)
@@ -1582,7 +1581,7 @@ static int dlfb_usb_probe(struct usb_interface *interface,
 			const struct usb_device_id *id)
 {
 	struct usb_device *usbdev;
-	struct dlfb_data *dev = NULL;
+	struct dlfb_data *dev;
 	int retval = -ENOMEM;
 
 	/* usb initialization */
@@ -1665,7 +1664,6 @@ static void dlfb_init_framebuffer_work(struct work_struct *work)
 	/* allocates framebuffer driver structure, not framebuffer memory */
 	info = framebuffer_alloc(0, dev->gdev);
 	if (!info) {
-		retval = -ENOMEM;
 		pr_err("framebuffer_alloc failed\n");
 		goto error;
 	}
@@ -1912,7 +1910,7 @@ static int dlfb_alloc_urb_list(struct dlfb_data *dev, int count, size_t size)
 
 static struct urb *dlfb_get_urb(struct dlfb_data *dev)
 {
-	int ret = 0;
+	int ret;
 	struct list_head *entry;
 	struct urb_node *unode;
 	struct urb *urb = NULL;

drivers/video/fbdev/vfb.c

@@ -51,7 +51,14 @@ static void *rvmalloc(unsigned long size)
 	if (!mem)
 		return NULL;
 
-	memset(mem, 0, size); /* Clear the ram out, no junk to the user */
+	/*
+	 * VFB must clear memory to prevent kernel info
+	 * leakage into userspace
+	 * VGA-based drivers MUST NOT clear memory if
+	 * they want to be able to take over vgacon
+	 */
+
+	memset(mem, 0, size);
 	adr = (unsigned long) mem;
 	while (size > 0) {
 		SetPageReserved(vmalloc_to_page((void *)adr));
@@ -490,14 +497,6 @@ static int vfb_probe(struct platform_device *dev)
 	if (!(videomemory = rvmalloc(videomemorysize)))
 		return retval;
 
-	/*
-	 * VFB must clear memory to prevent kernel info
-	 * leakage into userspace
-	 * VGA-based drivers MUST NOT clear memory if
-	 * they want to be able to take over vgacon
-	 */
-	memset(videomemory, 0, videomemorysize);
-
 	info = framebuffer_alloc(sizeof(u32) * 256, &dev->dev);
 	if (!info)
 		goto err;

include/linux/fb.h

@@ -788,7 +788,7 @@ struct dmt_videomode {
 
 extern const char *fb_mode_option;
 extern const struct fb_videomode vesa_modes[];
-extern const struct fb_videomode cea_modes[64];
+extern const struct fb_videomode cea_modes[65];
 extern const struct dmt_videomode dmt_modes[];
 
 struct fb_modelist {