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* [PATCH] mach-pxa: sharpsl_pm: simplify conditional
@ 2010-10-29 21:31 ` Nicolas Kaiser
  0 siblings, 0 replies; 4+ messages in thread
From: Nicolas Kaiser @ 2010-10-29 21:31 UTC (permalink / raw)
  To: Eric Miao; +Cc: Russell King, linux-arm-kernel, linux-kernel

Simplify: ((a && b) || !a) => (b || !a)

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
---
 arch/arm/mach-pxa/sharpsl_pm.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
index 8fed027..d08763c 100644
--- a/arch/arm/mach-pxa/sharpsl_pm.c
+++ b/arch/arm/mach-pxa/sharpsl_pm.c
@@ -619,7 +619,7 @@ static void corgi_goto_sleep(unsigned long alarm_time, unsigned int alarm_enable
 	PEDR = 0xffffffff; /* clear it */
 
 	sharpsl_pm.flags &= ~SHARPSL_ALARM_ACTIVE;
-	if ((sharpsl_pm.charge_mode == CHRG_ON) && ((alarm_enable && ((alarm_time - RCNR) > (SHARPSL_BATCHK_TIME_SUSPEND + 30))) || !alarm_enable)) {
+	if ((sharpsl_pm.charge_mode == CHRG_ON) && (((alarm_time - RCNR) > (SHARPSL_BATCHK_TIME_SUSPEND + 30)) || !alarm_enable)) {
 		RTSR &= RTSR_ALE;
 		RTAR = RCNR + SHARPSL_BATCHK_TIME_SUSPEND;
 		dev_dbg(sharpsl_pm.dev, "Charging alarm at: %08x\n", RTAR);
-- 
1.7.2.2

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [PATCH] mach-pxa: sharpsl_pm: simplify conditional
@ 2010-10-29 21:31 ` Nicolas Kaiser
  0 siblings, 0 replies; 4+ messages in thread
From: Nicolas Kaiser @ 2010-10-29 21:31 UTC (permalink / raw)
  To: linux-arm-kernel

Simplify: ((a && b) || !a) => (b || !a)

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
---
 arch/arm/mach-pxa/sharpsl_pm.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
index 8fed027..d08763c 100644
--- a/arch/arm/mach-pxa/sharpsl_pm.c
+++ b/arch/arm/mach-pxa/sharpsl_pm.c
@@ -619,7 +619,7 @@ static void corgi_goto_sleep(unsigned long alarm_time, unsigned int alarm_enable
 	PEDR = 0xffffffff; /* clear it */
 
 	sharpsl_pm.flags &= ~SHARPSL_ALARM_ACTIVE;
-	if ((sharpsl_pm.charge_mode == CHRG_ON) && ((alarm_enable && ((alarm_time - RCNR) > (SHARPSL_BATCHK_TIME_SUSPEND + 30))) || !alarm_enable)) {
+	if ((sharpsl_pm.charge_mode == CHRG_ON) && (((alarm_time - RCNR) > (SHARPSL_BATCHK_TIME_SUSPEND + 30)) || !alarm_enable)) {
 		RTSR &= RTSR_ALE;
 		RTAR = RCNR + SHARPSL_BATCHK_TIME_SUSPEND;
 		dev_dbg(sharpsl_pm.dev, "Charging alarm at: %08x\n", RTAR);
-- 
1.7.2.2

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH] mach-pxa: sharpsl_pm: simplify conditional
  2010-10-29 21:31 ` Nicolas Kaiser
@ 2010-11-02 13:15   ` Eric Miao
  -1 siblings, 0 replies; 4+ messages in thread
From: Eric Miao @ 2010-11-02 13:15 UTC (permalink / raw)
  To: Nicolas Kaiser; +Cc: Russell King, linux-arm-kernel, linux-kernel

On Sat, Oct 30, 2010 at 5:31 AM, Nicolas Kaiser <nikai@nikai.net> wrote:
> Simplify: ((a && b) || !a) => (b || !a)
>

This is a good catch, I believe this could be generally applied elsewhere
in the kernel. The problem with sharpsl_pm is that it's currently a mess
and needs a fully rewrite, I'd really like this issue being addressed in that
rewritten version.

> Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
> ---
>  arch/arm/mach-pxa/sharpsl_pm.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
> index 8fed027..d08763c 100644
> --- a/arch/arm/mach-pxa/sharpsl_pm.c
> +++ b/arch/arm/mach-pxa/sharpsl_pm.c
> @@ -619,7 +619,7 @@ static void corgi_goto_sleep(unsigned long alarm_time, unsigned int alarm_enable
>        PEDR = 0xffffffff; /* clear it */
>
>        sharpsl_pm.flags &= ~SHARPSL_ALARM_ACTIVE;
> -       if ((sharpsl_pm.charge_mode == CHRG_ON) && ((alarm_enable && ((alarm_time - RCNR) > (SHARPSL_BATCHK_TIME_SUSPEND + 30))) || !alarm_enable)) {
> +       if ((sharpsl_pm.charge_mode == CHRG_ON) && (((alarm_time - RCNR) > (SHARPSL_BATCHK_TIME_SUSPEND + 30)) || !alarm_enable)) {
>                RTSR &= RTSR_ALE;
>                RTAR = RCNR + SHARPSL_BATCHK_TIME_SUSPEND;
>                dev_dbg(sharpsl_pm.dev, "Charging alarm at: %08x\n", RTAR);
> --
> 1.7.2.2
>

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH] mach-pxa: sharpsl_pm: simplify conditional
@ 2010-11-02 13:15   ` Eric Miao
  0 siblings, 0 replies; 4+ messages in thread
From: Eric Miao @ 2010-11-02 13:15 UTC (permalink / raw)
  To: linux-arm-kernel

On Sat, Oct 30, 2010 at 5:31 AM, Nicolas Kaiser <nikai@nikai.net> wrote:
> Simplify: ((a && b) || !a) => (b || !a)
>

This is a good catch, I believe this could be generally applied elsewhere
in the kernel. The problem with sharpsl_pm is that it's currently a mess
and needs a fully rewrite, I'd really like this issue being addressed in that
rewritten version.

> Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
> ---
> ?arch/arm/mach-pxa/sharpsl_pm.c | ? ?2 +-
> ?1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
> index 8fed027..d08763c 100644
> --- a/arch/arm/mach-pxa/sharpsl_pm.c
> +++ b/arch/arm/mach-pxa/sharpsl_pm.c
> @@ -619,7 +619,7 @@ static void corgi_goto_sleep(unsigned long alarm_time, unsigned int alarm_enable
> ? ? ? ?PEDR = 0xffffffff; /* clear it */
>
> ? ? ? ?sharpsl_pm.flags &= ~SHARPSL_ALARM_ACTIVE;
> - ? ? ? if ((sharpsl_pm.charge_mode == CHRG_ON) && ((alarm_enable && ((alarm_time - RCNR) > (SHARPSL_BATCHK_TIME_SUSPEND + 30))) || !alarm_enable)) {
> + ? ? ? if ((sharpsl_pm.charge_mode == CHRG_ON) && (((alarm_time - RCNR) > (SHARPSL_BATCHK_TIME_SUSPEND + 30)) || !alarm_enable)) {
> ? ? ? ? ? ? ? ?RTSR &= RTSR_ALE;
> ? ? ? ? ? ? ? ?RTAR = RCNR + SHARPSL_BATCHK_TIME_SUSPEND;
> ? ? ? ? ? ? ? ?dev_dbg(sharpsl_pm.dev, "Charging alarm at: %08x\n", RTAR);
> --
> 1.7.2.2
>

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2010-11-02 13:16 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2010-10-29 21:31 [PATCH] mach-pxa: sharpsl_pm: simplify conditional Nicolas Kaiser
2010-10-29 21:31 ` Nicolas Kaiser
2010-11-02 13:15 ` Eric Miao
2010-11-02 13:15   ` Eric Miao

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