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* [PATCH] omap2: fix assorted compiler warnings
@ 2010-07-13 10:24 Sanjeev Premi
  2010-08-03  7:51 ` Tony Lindgren
  2010-08-09 11:28 ` Premi, Sanjeev
  0 siblings, 2 replies; 3+ messages in thread
From: Sanjeev Premi @ 2010-07-13 10:24 UTC (permalink / raw)
  To: linux-omap; +Cc: Sanjeev Premi

This patch fixes these compiler warnings:

  CC      arch/arm/mach-omap2/mux.o
arch/arm/mach-omap2/mux.c: In function 'omap_mux_init_gpio':
arch/arm/mach-omap2/mux.c:90: warning: 'gpio_mux' may be used uninitial
ized in this function

  CC      arch/arm/plat-omap/gpio.o
arch/arm/plat-omap/gpio.c: In function 'omap2_gpio_resume_after_idle':
arch/arm/plat-omap/gpio.c:2152: warning: 'l' may be used uninitialized
in this function
arch/arm/plat-omap/gpio.c: In function 'omap2_gpio_prepare_for_idle':
arch/arm/plat-omap/gpio.c:2085: warning: 'l2' may be used uninitialized
in this function
arch/arm/plat-omap/gpio.c:2085: warning: 'l1' may be used uninitialized
in this function

  CC      arch/arm/mach-omap2/board-omap4panda.o
arch/arm/mach-omap2/board-omap4panda.c: In function 'omap4_panda_init':
arch/arm/mach-omap2/board-omap4panda.c:277: warning: unused variable 's
tatus'

Signed-off-by: Sanjeev Premi <premi@ti.com>
---
 arch/arm/mach-omap2/board-omap4panda.c |    2 --
 arch/arm/mach-omap2/mux.c              |    2 +-
 arch/arm/plat-omap/gpio.c              |    4 ++--
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
index c03d1d5..96f5bbb 100644
--- a/arch/arm/mach-omap2/board-omap4panda.c
+++ b/arch/arm/mach-omap2/board-omap4panda.c
@@ -274,8 +274,6 @@ static int __init omap4_panda_i2c_init(void)
 }
 static void __init omap4_panda_init(void)
 {
-	int status;
-
 	omap4_panda_i2c_init();
 	omap_serial_init();
 	omap4_twl6030_hsmmc_init(mmc);
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index ab403b2..2ffacc1 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -87,7 +87,7 @@ static char *omap_mux_options;
 int __init omap_mux_init_gpio(int gpio, int val)
 {
 	struct omap_mux_entry *e;
-	struct omap_mux *gpio_mux;
+	struct omap_mux *gpio_mux=NULL;
 	u16 old_mode;
 	u16 mux_mode;
 	int found = 0;
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 9b7e354..831e6bc 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -2082,7 +2082,7 @@ void omap2_gpio_prepare_for_idle(int power_state)
 
 	for (i = min; i < gpio_bank_count; i++) {
 		struct gpio_bank *bank = &gpio_bank[i];
-		u32 l1, l2;
+		u32 l1=0, l2=0;
 
 		if (bank->dbck_enable_mask)
 			clk_disable(bank->dbck);
@@ -2149,7 +2149,7 @@ void omap2_gpio_resume_after_idle(void)
 		min = 1;
 	for (i = min; i < gpio_bank_count; i++) {
 		struct gpio_bank *bank = &gpio_bank[i];
-		u32 l, gen, gen0, gen1;
+		u32 l=0, gen, gen0, gen1;
 
 		if (bank->dbck_enable_mask)
 			clk_enable(bank->dbck);
-- 
1.6.6.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] omap2: fix assorted compiler warnings
  2010-07-13 10:24 [PATCH] omap2: fix assorted compiler warnings Sanjeev Premi
@ 2010-08-03  7:51 ` Tony Lindgren
  2010-08-09 11:28 ` Premi, Sanjeev
  1 sibling, 0 replies; 3+ messages in thread
From: Tony Lindgren @ 2010-08-03  7:51 UTC (permalink / raw)
  To: Sanjeev Premi; +Cc: linux-omap

* Sanjeev Premi <premi@ti.com> [100713 13:26]:
> This patch fixes these compiler warnings:

> --- a/arch/arm/mach-omap2/mux.c
> +++ b/arch/arm/mach-omap2/mux.c
> @@ -87,7 +87,7 @@ static char *omap_mux_options;
>  int __init omap_mux_init_gpio(int gpio, int val)
>  {
>  	struct omap_mux_entry *e;
> -	struct omap_mux *gpio_mux;
> +	struct omap_mux *gpio_mux=NULL;

Please use spaces around = like *gpio_mux = NULL;

>  	u16 old_mode;
>  	u16 mux_mode;
>  	int found = 0;
> diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
> index 9b7e354..831e6bc 100644
> --- a/arch/arm/plat-omap/gpio.c
> +++ b/arch/arm/plat-omap/gpio.c
> @@ -2082,7 +2082,7 @@ void omap2_gpio_prepare_for_idle(int power_state)
>  
>  	for (i = min; i < gpio_bank_count; i++) {
>  		struct gpio_bank *bank = &gpio_bank[i];
> -		u32 l1, l2;
> +		u32 l1=0, l2=0;
>  
>  		if (bank->dbck_enable_mask)
>  			clk_disable(bank->dbck);

Here too.

> @@ -2149,7 +2149,7 @@ void omap2_gpio_resume_after_idle(void)
>  		min = 1;
>  	for (i = min; i < gpio_bank_count; i++) {
>  		struct gpio_bank *bank = &gpio_bank[i];
> -		u32 l, gen, gen0, gen1;
> +		u32 l=0, gen, gen0, gen1;
>  
>  		if (bank->dbck_enable_mask)
>  			clk_enable(bank->dbck);

And here.

Regards,

Tony

^ permalink raw reply	[flat|nested] 3+ messages in thread

* RE: [PATCH] omap2: fix assorted compiler warnings
  2010-07-13 10:24 [PATCH] omap2: fix assorted compiler warnings Sanjeev Premi
  2010-08-03  7:51 ` Tony Lindgren
@ 2010-08-09 11:28 ` Premi, Sanjeev
  1 sibling, 0 replies; 3+ messages in thread
From: Premi, Sanjeev @ 2010-08-09 11:28 UTC (permalink / raw)
  To: linux-omap@vger.kernel.org

> -----Original Message-----
> From: Premi, Sanjeev 
> Sent: Tuesday, July 13, 2010 3:54 PM
> To: linux-omap@vger.kernel.org
> Cc: Premi, Sanjeev
> Subject: [PATCH] omap2: fix assorted compiler warnings

Tony,

I notice the same warnings today while building against:

commit 842849896627701e4c07441f2c7519aeec771058
Merge: 024a97d c287f2c
Author: Tony Lindgren <tony@atomide.com>
Date:   Wed Aug 4 18:33:28 2010 +0300

Is this patch in your queue?

~sanjeev

> 
> This patch fixes these compiler warnings:
> 
>   CC      arch/arm/mach-omap2/mux.o
> arch/arm/mach-omap2/mux.c: In function 'omap_mux_init_gpio':
> arch/arm/mach-omap2/mux.c:90: warning: 'gpio_mux' may be used 
> uninitial
> ized in this function
> 
>   CC      arch/arm/plat-omap/gpio.o
> arch/arm/plat-omap/gpio.c: In function 'omap2_gpio_resume_after_idle':
> arch/arm/plat-omap/gpio.c:2152: warning: 'l' may be used uninitialized
> in this function
> arch/arm/plat-omap/gpio.c: In function 'omap2_gpio_prepare_for_idle':
> arch/arm/plat-omap/gpio.c:2085: warning: 'l2' may be used 
> uninitialized
> in this function
> arch/arm/plat-omap/gpio.c:2085: warning: 'l1' may be used 
> uninitialized
> in this function
> 
>   CC      arch/arm/mach-omap2/board-omap4panda.o
> arch/arm/mach-omap2/board-omap4panda.c: In function 
> 'omap4_panda_init':
> arch/arm/mach-omap2/board-omap4panda.c:277: warning: unused 
> variable 's
> tatus'
> 
> Signed-off-by: Sanjeev Premi <premi@ti.com>
> ---
>  arch/arm/mach-omap2/board-omap4panda.c |    2 --
>  arch/arm/mach-omap2/mux.c              |    2 +-
>  arch/arm/plat-omap/gpio.c              |    4 ++--
>  3 files changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/board-omap4panda.c 
> b/arch/arm/mach-omap2/board-omap4panda.c
> index c03d1d5..96f5bbb 100644
> --- a/arch/arm/mach-omap2/board-omap4panda.c
> +++ b/arch/arm/mach-omap2/board-omap4panda.c
> @@ -274,8 +274,6 @@ static int __init omap4_panda_i2c_init(void)
>  }
>  static void __init omap4_panda_init(void)
>  {
> -	int status;
> -
>  	omap4_panda_i2c_init();
>  	omap_serial_init();
>  	omap4_twl6030_hsmmc_init(mmc);
> diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
> index ab403b2..2ffacc1 100644
> --- a/arch/arm/mach-omap2/mux.c
> +++ b/arch/arm/mach-omap2/mux.c
> @@ -87,7 +87,7 @@ static char *omap_mux_options;
>  int __init omap_mux_init_gpio(int gpio, int val)
>  {
>  	struct omap_mux_entry *e;
> -	struct omap_mux *gpio_mux;
> +	struct omap_mux *gpio_mux=NULL;
>  	u16 old_mode;
>  	u16 mux_mode;
>  	int found = 0;
> diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
> index 9b7e354..831e6bc 100644
> --- a/arch/arm/plat-omap/gpio.c
> +++ b/arch/arm/plat-omap/gpio.c
> @@ -2082,7 +2082,7 @@ void omap2_gpio_prepare_for_idle(int 
> power_state)
>  
>  	for (i = min; i < gpio_bank_count; i++) {
>  		struct gpio_bank *bank = &gpio_bank[i];
> -		u32 l1, l2;
> +		u32 l1=0, l2=0;
>  
>  		if (bank->dbck_enable_mask)
>  			clk_disable(bank->dbck);
> @@ -2149,7 +2149,7 @@ void omap2_gpio_resume_after_idle(void)
>  		min = 1;
>  	for (i = min; i < gpio_bank_count; i++) {
>  		struct gpio_bank *bank = &gpio_bank[i];
> -		u32 l, gen, gen0, gen1;
> +		u32 l=0, gen, gen0, gen1;
>  
>  		if (bank->dbck_enable_mask)
>  			clk_enable(bank->dbck);
> -- 
> 1.6.6.1
> 
> 

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2010-08-09 11:28 UTC | newest]

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2010-07-13 10:24 [PATCH] omap2: fix assorted compiler warnings Sanjeev Premi
2010-08-03  7:51 ` Tony Lindgren
2010-08-09 11:28 ` Premi, Sanjeev

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