Re: [PATCH] drivers/char/hpet.c: integer constant is too large for"long" type

From: Gabriel C
Date: Mon Jul 23 2007 - 18:06:36 EST


Andrew Morton wrote:
> On Sat, 21 Jul 2007 14:19:44 +0300
> "S.__a__lar Onur" <caglar@xxxxxxxxxxxxx> wrote:
>
>> Following trivial patch silents
>>
>> drivers/char/hpet.c:76: warning: integer constant is too large for "long" type
>>
>> warning (with gcc-3.4.6)
>>
>> Signed-off-by: S.__a__lar Onur <caglar@xxxxxxxxxxxxx>
>>
>> drivers/char/hpet.c | 2 +-
>> 1 files changed, 1 insertions(+), 1 deletions(-)
>>
>> diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
>> index ba0e74a..23fadf5 100644
>> --- a/drivers/char/hpet.c
>> +++ b/drivers/char/hpet.c
>> @@ -73,7 +73,7 @@ static struct clocksource clocksource_hpet = {
>> .name = "hpet",
>> .rating = 250,
>> .read = read_hpet,
>> - .mask = 0xffffffffffffffff,
>> + .mask = 0xffffffffffffffffLL,
>> .mult = 0, /*to be caluclated*/
>> .shift = 10,
>> .flags = CLOCK_SOURCE_IS_CONTINUOUS,
>
> hm, well, this does assume that cycle_t is implemented as long long (or
> unsigned long long, actually). Which in turn assumes that u64 is
> implemented as [unsigned] long long.
>
> Not all architectures use unsigned long long for u64: some use unsigned
> long. They'll probably be OK with this change but I think I'll convert
> that into plain old "-1", which just works everywhere.
>

Bob Picco fixed this already -> http://lkml.org/lkml/2007/7/23/242


Regards,

Gabriel
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