On 06/23/2011 03:35 AM, Matthew Garrett wrote:
> On Wed, Jun 22, 2011 at 04:05:43PM +0800, Ike Panhc wrote:
>> static int __devinit ideapad_acpi_add(struct acpi_device *adevice)
>> {
>> - int ret, i, cfg;
>> + int ret, i;
>> + unsigned long cfg;
>
> You change this to an unsigned long, but you cast it to an int in
> several places. Is that just to avoid casting to a long here?
>
>> - if (test_bit(ideapad_rfk_data[i].cfgbit, (unsigned long *)&cfg))
>> + if (test_bit(ideapad_rfk_data[i].cfgbit, &cfg))
>
> I think it seems neater the other way around, but don't have terribly
> strong opinions.
>
I read again how cfg is used. They are 2 test_bit, one sprintf and
read_method_int.
test_bit is the major reason of changing from int to unsigned long. I will
change the format string in sprintf from %X to %lX. After the change there
will be only one cast left.
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