"Varadarajan, Charulatha" <charu@xxxxxx> writes:
> Kevin,
>
> On Sat, Apr 23, 2011 at 04:32, Kevin Hilman <khilman@xxxxxx> wrote:
>> Remove cpu_is_* checks from gpio_show_revision() by passing in the
>> revision address offset from platform data. ÂSoCs with no revision
>> register (15xx, 7xx, and all MPUIOs) use -1 to signify no register.
>>
>> While here, all GPIO banks are assumed to be the same revision, so fix
>> show_revision() to only show the revision for the first bank it finds.
>> This removes duplicate GPIO revision prints during boot.
>>
>> Signed-off-by: Kevin Hilman <khilman@xxxxxx>
>> ---
>> Âarch/arm/mach-omap1/gpio15xx.c     |  Â2 ++
>> Âarch/arm/mach-omap1/gpio16xx.c     |  Â2 ++
>> Âarch/arm/mach-omap1/gpio7xx.c     Â|  Â2 ++
>> Âarch/arm/mach-omap2/gpio.c       |  Â2 ++
>> Âarch/arm/plat-omap/gpio.c       Â|  14 ++++++--------
>> Âarch/arm/plat-omap/include/plat/gpio.h | Â Â1 +
>> Â6 files changed, 15 insertions(+), 8 deletions(-)
>>
>> diff --git a/arch/arm/mach-omap1/gpio15xx.c b/arch/arm/mach-omap1/gpio15xx.c
>> index 9175624..6f77c36 100644
>> --- a/arch/arm/mach-omap1/gpio15xx.c
>> +++ b/arch/arm/mach-omap1/gpio15xx.c
>> @@ -35,6 +35,7 @@ static struct __initdata resource omap15xx_mpu_gpio_resources[] = {
>> Â};
>>
>> Âstatic struct omap_gpio_reg_offs omap15xx_mpuio_regs = {
>> +    .revision    = -1,
>
> Assigning -1 to u16 type. Instead you may want to use 0xffff?
>
The compiler will do the right thing, so personally, I prefer using -1.
It's safer if/when the type is changed, but the mask not updated.
Kevin
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