Re: [PATCH v2 27/28] video: fbdev: cirrusfb: Fix kernel-doc and set but not used warnings

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Hi

Am 28.11.20 um 23:41 schrieb Sam Ravnborg:
Fix warnings:
- drop kernel-doc for the two debug functions to avoid the warnings
- delete unused code

v2:
   - Updated subject (Lee)

Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: Thomas Zimemrmann <tzimmermann@xxxxxxx>
Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
Cc: "Gustavo A. R. Silva" <gustavoars@xxxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Saeed Mirzamohammadi <saeed.mirzamohammadi@xxxxxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
Cc: Mike Rapoport <rppt@xxxxxxxxxx>
Cc: Lee Jones <lee.jones@xxxxxxxxxx>
---
  drivers/video/fbdev/cirrusfb.c | 20 +++++++++-----------
  1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/video/fbdev/cirrusfb.c b/drivers/video/fbdev/cirrusfb.c
index e9027172c0f5..93802abbbc72 100644
--- a/drivers/video/fbdev/cirrusfb.c
+++ b/drivers/video/fbdev/cirrusfb.c
@@ -2463,8 +2463,6 @@ static void AttrOn(const struct cirrusfb_info *cinfo)
   */
  static void WHDR(const struct cirrusfb_info *cinfo, unsigned char val)
  {
-	unsigned char dummy;
-
  	if (is_laguna(cinfo))
  		return;
  	if (cinfo->btype == BT_PICASSO) {
@@ -2473,18 +2471,18 @@ static void WHDR(const struct cirrusfb_info *cinfo, unsigned char val)
  		WGen(cinfo, VGA_PEL_MSK, 0x00);
  		udelay(200);
  		/* next read dummy from pixel address (3c8) */
-		dummy = RGen(cinfo, VGA_PEL_IW);
+		RGen(cinfo, VGA_PEL_IW);

I hope these kinds of changes do not turn into an endless stream of warnings from static ananlysis. I git an email with that today about such a call.

Acked-by: Thomas Zimmermann <tzimmermann@xxxxxxx>

  		udelay(200);
  	}
  	/* now do the usual stuff to access the HDR */
- dummy = RGen(cinfo, VGA_PEL_MSK);
+	RGen(cinfo, VGA_PEL_MSK);
  	udelay(200);
-	dummy = RGen(cinfo, VGA_PEL_MSK);
+	RGen(cinfo, VGA_PEL_MSK);
  	udelay(200);
-	dummy = RGen(cinfo, VGA_PEL_MSK);
+	RGen(cinfo, VGA_PEL_MSK);
  	udelay(200);
-	dummy = RGen(cinfo, VGA_PEL_MSK);
+	RGen(cinfo, VGA_PEL_MSK);
  	udelay(200);
WGen(cinfo, VGA_PEL_MSK, val);
@@ -2492,7 +2490,7 @@ static void WHDR(const struct cirrusfb_info *cinfo, unsigned char val)
if (cinfo->btype == BT_PICASSO) {
  		/* now first reset HDR access counter */
-		dummy = RGen(cinfo, VGA_PEL_IW);
+		RGen(cinfo, VGA_PEL_IW);
  		udelay(200);
/* and at the end, restore the mask value */
@@ -2800,9 +2798,9 @@ static void bestclock(long freq, int *nom, int *den, int *div)
#ifdef CIRRUSFB_DEBUG -/**
+/*
   * cirrusfb_dbg_print_regs
- * @base: If using newmmio, the newmmio base address, otherwise %NULL
+ * @regbase: If using newmmio, the newmmio base address, otherwise %NULL
   * @reg_class: type of registers to read: %CRT, or %SEQ
   *
   * DESCRIPTION:
@@ -2847,7 +2845,7 @@ static void cirrusfb_dbg_print_regs(struct fb_info *info,
  	va_end(list);
  }
-/**
+/*
   * cirrusfb_dbg_reg_dump
   * @base: If using newmmio, the newmmio base address, otherwise %NULL
   *


--
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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