Re: [RESEND PATCH 05/14] eeprom: at24: hide the read/write loop behind a macro

From: Bartosz Golaszewski
Date: Sat Jul 16 2016 - 15:25:16 EST


2016-07-16 6:56 GMT+02:00 Wolfram Sang <wsa@xxxxxxxxxxxxx>:
>
>> > >> +#define loop_until_timeout(tout, op_time) \
>> > >> + for (tout = jiffies + msecs_to_jiffies(write_timeout), \
>> > >> + op_time = jiffies; \
>> > >> + time_before(op_time, tout); \
>> > >> + usleep_range(1000, 1500), op_time = jiffies)
>
> What about:
>
> #define loop_until_timeout(tout, op_time) \
> for (tout = jiffies + msecs_to_jiffies(write_timeout), op_time = 0; \
> op_time ? time_before(op_time, tout) : true; \
> usleep_range(1000, 1500), op_time = jiffies)
>
> ? Would probably need an explanation in a comment, though.
>

Hi Wolfram,

thanks for the suggestion, it looks good. I'm not at home right now
and don't have access to any device with which I could test it. I'll
try to send the patch tomorrow evening or Monday morning.

Best regards,
Bartosz Golaszewski