Re: [PATCH] mfd: arizona: Don't use regmap_read_poll_timeout

From: Andy Shevchenko
Date: Mon Jun 04 2018 - 05:40:45 EST


On Mon, Jun 4, 2018 at 8:44 AM, Lee Jones <lee.jones@xxxxxxxxxx> wrote:
> On Fri, 11 May 2018, Charles Keepax wrote:

>> + while (true) {
>> + ret = regmap_read(arizona->regmap, reg, &val);
>>
>> + if ((val & mask) == target)
>> + return 0;
>> +
>> + if (ktime_compare(ktime_get(), timeout) > 0)
>> + break;
>> +
>> + usleep_range(ARIZONA_REG_POLL_DELAY_US / 2,
>> + ARIZONA_REG_POLL_DELAY_US);
>> + }

>From my point of view infinite loops not good for readability and maintenance.
Perhaps

do {
...
} while (ktime_compare(...));

?

--
With Best Regards,
Andy Shevchenko