Re: [PATCH v2 18/28] video: fbdev: mx3fb: Fix kernel-doc, set but not used and string warnings

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Am 28.11.20 um 23:41 schrieb Sam Ravnborg:
Fix W=1 warnings:
- Fix kernel-doc
- Drop unused code/variables
- Use memcpy to copy a string without zero-termination
   strncpy() generates a warning

v2:
   - Updated subject (Lee)

Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Xiaofei Tan <tanxiaofei@xxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Lee Jones <lee.jones@xxxxxxxxxx>

Acked-by: Thomas Zimmermann <tzimmermann@xxxxxxx>

---
  drivers/video/fbdev/mx3fb.c | 13 ++++++++-----
  1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/drivers/video/fbdev/mx3fb.c b/drivers/video/fbdev/mx3fb.c
index 894617ddabcb..fabb271337ed 100644
--- a/drivers/video/fbdev/mx3fb.c
+++ b/drivers/video/fbdev/mx3fb.c
@@ -445,7 +445,6 @@ static void sdc_enable_channel(struct mx3fb_info *mx3_fbi)
  static void sdc_disable_channel(struct mx3fb_info *mx3_fbi)
  {
  	struct mx3fb_data *mx3fb = mx3_fbi->mx3fb;
-	uint32_t enabled;
  	unsigned long flags;
if (mx3_fbi->txd == NULL)
@@ -453,7 +452,7 @@ static void sdc_disable_channel(struct mx3fb_info *mx3_fbi)
spin_lock_irqsave(&mx3fb->lock, flags); - enabled = sdc_fb_uninit(mx3_fbi);
+	sdc_fb_uninit(mx3_fbi);
spin_unlock_irqrestore(&mx3fb->lock, flags); @@ -732,7 +731,7 @@ static int mx3fb_unmap_video_memory(struct fb_info *fbi); /**
   * mx3fb_set_fix() - set fixed framebuffer parameters from variable settings.
- * @info:	framebuffer information pointer
+ * @fbi:	framebuffer information pointer
   * @return:	0 on success or negative error code on failure.
   */
  static int mx3fb_set_fix(struct fb_info *fbi)
@@ -740,7 +739,7 @@ static int mx3fb_set_fix(struct fb_info *fbi)
  	struct fb_fix_screeninfo *fix = &fbi->fix;
  	struct fb_var_screeninfo *var = &fbi->var;
- strncpy(fix->id, "DISP3 BG", 8);
+	memcpy(fix->id, "DISP3 BG", 8);
fix->line_length = var->xres_virtual * var->bits_per_pixel / 8; @@ -1105,6 +1104,8 @@ static void __blank(int blank, struct fb_info *fbi) /**
   * mx3fb_blank() - blank the display.
+ * @blank:	blank value for the panel
+ * @fbi:	framebuffer information pointer
   */
  static int mx3fb_blank(int blank, struct fb_info *fbi)
  {
@@ -1126,7 +1127,7 @@ static int mx3fb_blank(int blank, struct fb_info *fbi)
  /**
   * mx3fb_pan_display() - pan or wrap the display
   * @var:	variable screen buffer information.
- * @info:	framebuffer information pointer.
+ * @fbi:	framebuffer information pointer.
   *
   * We look only at xoffset, yoffset and the FB_VMODE_YWRAP flag
   */
@@ -1387,6 +1388,8 @@ static int mx3fb_unmap_video_memory(struct fb_info *fbi)
/**
   * mx3fb_init_fbinfo() - initialize framebuffer information object.
+ * @dev: the device
+ * @ops:	framebuffer device operations
   * @return:	initialized framebuffer structure.
   */
  static struct fb_info *mx3fb_init_fbinfo(struct device *dev,


--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer

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