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SubjectRe: [PATCH 04/18] ARM: at91: make ST (System Timer) soc independent
On 12:52 Mon 20 Feb     , Ryan Mallon wrote:
> On 20/02/12 12:38, Jean-Christophe PLAGNIOL-VILLARD wrote:
>
> > On 11:22 Mon 20 Feb , Ryan Mallon wrote:
> >> On 18/02/12 04:49, Nicolas Ferre wrote:
> >>
> >>> From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
> >>>
> >>> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
> >>> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
> >>> ---
> >>> arch/arm/mach-at91/at91rm9200.c | 4 +-
> >>> arch/arm/mach-at91/at91rm9200_time.c | 37 ++++++++++++++++----------
> >>> arch/arm/mach-at91/generic.h | 1 +
> >>> arch/arm/mach-at91/include/mach/at91_st.h | 32 +++++++++++++++-------
> >>> arch/arm/mach-at91/include/mach/at91rm9200.h | 2 +-
> >>> drivers/watchdog/at91rm9200_wdt.c | 8 +++---
> >>> 6 files changed, 53 insertions(+), 31 deletions(-)
> >>>
> >>> diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
> >>
> >> Hi Jean, Nicolas,
> >>
> >> Patch looks mostly good, couple of points below.
> >>
> >> ~Ryan
> >>
> >> <snip>
> >>
> >>> /* Cancel any pending alarm; flush any pending IRQ */
> >>> - at91_sys_write(AT91_ST_RTAR, alm);
> >>> - (void) at91_sys_read(AT91_ST_SR);
> >>> + at91_st_write(AT91_ST_RTAR, alm);
> >>> + (void) at91_st_read(AT91_ST_SR);
> >>
> >>
> >> Can we please remove the (void) casting of the return value when making
> >> this change, especially since at91_st_read is now a macro which doesn't
> >> even have a return value. Same in a few other places.
> > modification done by script and it's no the scope of this patch
>
>
> That isn't an excuse to leave incorrect code there. It is a simple fix.
no (void) in c means you don't care of the return so basically it's right

Best Regards,
J.


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