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SubjectRe: [PATCH v2 02/19] ARM: at91/at91x40: remove use of at91_sys_read/write
On 09:22 Thu 23 Feb     , Ryan Mallon wrote:
> On 22/02/12 20:39, 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/at91x40.c | 2 +-
> > arch/arm/mach-at91/at91x40_time.c | 28 +++++++++++++++++-----------
> > arch/arm/mach-at91/include/mach/at91x40.h | 18 +++++++++---------
> > 3 files changed, 27 insertions(+), 21 deletions(-)
> >
> > diff --git a/arch/arm/mach-at91/at91x40.c b/arch/arm/mach-at91/at91x40.c
> > index 0154b7f..5400a1d 100644
> > --- a/arch/arm/mach-at91/at91x40.c
> > +++ b/arch/arm/mach-at91/at91x40.c
> > @@ -44,7 +44,7 @@ static void at91x40_idle(void)
> > * Disable the processor clock. The processor will be automatically
> > * re-enabled by an interrupt or by a reset.
> > */
> > - at91_sys_write(AT91_PS_CR, AT91_PS_CR_CPU);
> > + __raw_writel(AT91_PS_CR_CPU, AT91_PS_CR);
>
>
> This doesn't seem to be equivalent, at91_sys_write does:
>
> void __iomem *addr = (void __iomem *)AT91_VA_BASE_SYS;
> __raw_writel(value, addr + reg_offset);
>
> and this patch doesn't redefine AT91_PS_CR. Was it broken before this
> patch? What am I missing?
this is right
#define AT91_PS_CR (AT91_PS + 0) /* PS Control register */
Best Regards,
J.


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