All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH] video: fbdev: tridentfb: Remove unused function
@ 2015-01-13 18:19 ` Rickard Strandqvist
  0 siblings, 0 replies; 8+ messages in thread
From: Rickard Strandqvist @ 2015-01-13 18:19 UTC (permalink / raw)
  To: Jean-Christophe Plagniol-Villard, Tomi Valkeinen
  Cc: Rickard Strandqvist, Jingoo Han, Laurent Pinchart, Rob Clark,
	linux-fbdev, linux-kernel

Remove the function shadowmode_off() that is not used anywhere.

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
---
 drivers/video/fbdev/tridentfb.c |    5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c
index 7ed9a22..b5cbd2c 100644
--- a/drivers/video/fbdev/tridentfb.c
+++ b/drivers/video/fbdev/tridentfb.c
@@ -999,11 +999,6 @@ static inline void shadowmode_on(struct tridentfb_par *par)
 	write3CE(par, CyberControl, read3CE(par, CyberControl) | 0x81);
 }
 
-static inline void shadowmode_off(struct tridentfb_par *par)
-{
-	write3CE(par, CyberControl, read3CE(par, CyberControl) & 0x7E);
-}
-
 /* Set the hardware to the requested video mode */
 static int tridentfb_set_par(struct fb_info *info)
 {
-- 
1.7.10.4


^ permalink raw reply related	[flat|nested] 8+ messages in thread

* [PATCH] video: fbdev: tridentfb: Remove unused function
@ 2015-01-13 18:19 ` Rickard Strandqvist
  0 siblings, 0 replies; 8+ messages in thread
From: Rickard Strandqvist @ 2015-01-13 18:19 UTC (permalink / raw)
  To: Jean-Christophe Plagniol-Villard, Tomi Valkeinen
  Cc: Rickard Strandqvist, Jingoo Han, Laurent Pinchart, Rob Clark,
	linux-fbdev, linux-kernel

Remove the function shadowmode_off() that is not used anywhere.

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
---
 drivers/video/fbdev/tridentfb.c |    5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c
index 7ed9a22..b5cbd2c 100644
--- a/drivers/video/fbdev/tridentfb.c
+++ b/drivers/video/fbdev/tridentfb.c
@@ -999,11 +999,6 @@ static inline void shadowmode_on(struct tridentfb_par *par)
 	write3CE(par, CyberControl, read3CE(par, CyberControl) | 0x81);
 }
 
-static inline void shadowmode_off(struct tridentfb_par *par)
-{
-	write3CE(par, CyberControl, read3CE(par, CyberControl) & 0x7E);
-}
-
 /* Set the hardware to the requested video mode */
 static int tridentfb_set_par(struct fb_info *info)
 {
-- 
1.7.10.4


^ permalink raw reply related	[flat|nested] 8+ messages in thread

* [PATCH] video: fbdev: tridentfb: remove deadcode on unreachable case statement
@ 2018-07-16 13:44   ` Colin King
  0 siblings, 0 replies; 8+ messages in thread
From: Colin King @ 2018-07-16 13:44 UTC (permalink / raw)
  To: Bartlomiej Zolnierkiewicz, dri-devel, linux-fbdev
  Cc: kernel-janitors, linux-kernel

From: Colin Ian King <colin.king@canonical.com>

The value of tmp being used in the switch statement has the range of
just 0..3 hence the case 4 statement can never be reached and is
deadcode and can be removed.

Detected by CoverityScan, CID#744384 ("Logically dead code")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/video/fbdev/tridentfb.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c
index 284706184b1b..f4b745590600 100644
--- a/drivers/video/fbdev/tridentfb.c
+++ b/drivers/video/fbdev/tridentfb.c
@@ -777,9 +777,6 @@ static int get_nativex(struct tridentfb_par *par)
 	case 3:
 		x = 800; y = 600;
 		break;
-	case 4:
-		x = 1400; y = 1050;
-		break;
 	case 1:
 	default:
 		x = 640;  y = 480;
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 8+ messages in thread

* [PATCH] video: fbdev: tridentfb: remove deadcode on unreachable case statement
@ 2018-07-16 13:44   ` Colin King
  0 siblings, 0 replies; 8+ messages in thread
From: Colin King @ 2018-07-16 13:44 UTC (permalink / raw)
  To: Bartlomiej Zolnierkiewicz, dri-devel, linux-fbdev
  Cc: kernel-janitors, linux-kernel

From: Colin Ian King <colin.king@canonical.com>

The value of tmp being used in the switch statement has the range of
just 0..3 hence the case 4 statement can never be reached and is
deadcode and can be removed.

Detected by CoverityScan, CID#744384 ("Logically dead code")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/video/fbdev/tridentfb.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c
index 284706184b1b..f4b745590600 100644
--- a/drivers/video/fbdev/tridentfb.c
+++ b/drivers/video/fbdev/tridentfb.c
@@ -777,9 +777,6 @@ static int get_nativex(struct tridentfb_par *par)
 	case 3:
 		x = 800; y = 600;
 		break;
-	case 4:
-		x = 1400; y = 1050;
-		break;
 	case 1:
 	default:
 		x = 640;  y = 480;
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 8+ messages in thread

* [PATCH] video: fbdev: tridentfb: remove deadcode on unreachable case statement
@ 2018-07-16 13:44   ` Colin King
  0 siblings, 0 replies; 8+ messages in thread
From: Colin King @ 2018-07-16 13:44 UTC (permalink / raw)
  To: Bartlomiej Zolnierkiewicz, dri-devel, linux-fbdev
  Cc: kernel-janitors, linux-kernel

From: Colin Ian King <colin.king@canonical.com>

The value of tmp being used in the switch statement has the range of
just 0..3 hence the case 4 statement can never be reached and is
deadcode and can be removed.

Detected by CoverityScan, CID#744384 ("Logically dead code")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/video/fbdev/tridentfb.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/video/fbdev/tridentfb.c b/drivers/video/fbdev/tridentfb.c
index 284706184b1b..f4b745590600 100644
--- a/drivers/video/fbdev/tridentfb.c
+++ b/drivers/video/fbdev/tridentfb.c
@@ -777,9 +777,6 @@ static int get_nativex(struct tridentfb_par *par)
 	case 3:
 		x = 800; y = 600;
 		break;
-	case 4:
-		x = 1400; y = 1050;
-		break;
 	case 1:
 	default:
 		x = 640;  y = 480;
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 8+ messages in thread

* Re: [PATCH] video: fbdev: tridentfb: remove deadcode on unreachable case statement
  2018-07-16 13:44   ` Colin King
  (?)
@ 2018-07-24 16:50     ` Bartlomiej Zolnierkiewicz
  -1 siblings, 0 replies; 8+ messages in thread
From: Bartlomiej Zolnierkiewicz @ 2018-07-24 16:50 UTC (permalink / raw)
  To: Colin King; +Cc: dri-devel, linux-fbdev, kernel-janitors, linux-kernel

On Monday, July 16, 2018 02:44:58 PM Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
> 
> The value of tmp being used in the switch statement has the range of
> just 0..3 hence the case 4 statement can never be reached and is
> deadcode and can be removed.
> 
> Detected by CoverityScan, CID#744384 ("Logically dead code")
> 
> Signed-off-by: Colin Ian King <colin.king@canonical.com>

Patch queued for 4.19, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics


^ permalink raw reply	[flat|nested] 8+ messages in thread

* Re: [PATCH] video: fbdev: tridentfb: remove deadcode on unreachable case statement
@ 2018-07-24 16:50     ` Bartlomiej Zolnierkiewicz
  0 siblings, 0 replies; 8+ messages in thread
From: Bartlomiej Zolnierkiewicz @ 2018-07-24 16:50 UTC (permalink / raw)
  To: Colin King; +Cc: linux-fbdev, kernel-janitors, linux-kernel, dri-devel

On Monday, July 16, 2018 02:44:58 PM Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
> 
> The value of tmp being used in the switch statement has the range of
> just 0..3 hence the case 4 statement can never be reached and is
> deadcode and can be removed.
> 
> Detected by CoverityScan, CID#744384 ("Logically dead code")
> 
> Signed-off-by: Colin Ian King <colin.king@canonical.com>

Patch queued for 4.19, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics


^ permalink raw reply	[flat|nested] 8+ messages in thread

* Re: [PATCH] video: fbdev: tridentfb: remove deadcode on unreachable case statement
@ 2018-07-24 16:50     ` Bartlomiej Zolnierkiewicz
  0 siblings, 0 replies; 8+ messages in thread
From: Bartlomiej Zolnierkiewicz @ 2018-07-24 16:50 UTC (permalink / raw)
  To: Colin King; +Cc: linux-fbdev, kernel-janitors, linux-kernel, dri-devel

On Monday, July 16, 2018 02:44:58 PM Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
> 
> The value of tmp being used in the switch statement has the range of
> just 0..3 hence the case 4 statement can never be reached and is
> deadcode and can be removed.
> 
> Detected by CoverityScan, CID#744384 ("Logically dead code")
> 
> Signed-off-by: Colin Ian King <colin.king@canonical.com>

Patch queued for 4.19, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

^ permalink raw reply	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2018-07-24 16:50 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
     [not found] <CGME20180716134504epcas5p2138ba82f2293c27750d4794f0152aad8@epcas5p2.samsung.com>
2018-07-16 13:44 ` [PATCH] video: fbdev: tridentfb: remove deadcode on unreachable case statement Colin King
2018-07-16 13:44   ` Colin King
2018-07-16 13:44   ` Colin King
2018-07-24 16:50   ` Bartlomiej Zolnierkiewicz
2018-07-24 16:50     ` Bartlomiej Zolnierkiewicz
2018-07-24 16:50     ` Bartlomiej Zolnierkiewicz
2015-01-13 18:19 [PATCH] video: fbdev: tridentfb: Remove unused function Rickard Strandqvist
2015-01-13 18:19 ` Rickard Strandqvist

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.