Messages in this thread | | | Date | Mon, 4 Jun 2018 11:27:19 +0100 | From | Charles Keepax <> | Subject | Re: [PATCH] mfd: arizona: Don't use regmap_read_poll_timeout |
| |
On Mon, Jun 04, 2018 at 12:40:37PM +0300, Andy Shevchenko wrote: > On Mon, Jun 4, 2018 at 8:44 AM, Lee Jones <lee.jones@linaro.org> 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(...)); > > ?
I would rather not do it that way since then it becomes impossible to have a single poll with no delays happening. I can refactor to remove the while(true) but it will make the code a bit bigger, as I will probably need to duplicate some code outside the loop.
Thanks, Charles
| |