Re: [PATCH v3 1/5] staging: fbtft: convert fbtft_reset() to be non-atomic
From: Andy Shevchenko
Date: Thu Jan 19 2017 - 05:50:50 EST
On Thu, 2017-01-19 at 10:49 +0100, Greg Kroah-Hartman wrote:
> On Tue, Jan 03, 2017 at 08:29:45PM +0200, Andy Shevchenko wrote:
> > First of all, fbtft in current state doesn't allow to override GPIOs
> > to be
> > optional, like "reset" one. It might be a bug somewhere, but rather
> > out of
> > scope of this fix.
> >
> > Second, not all GPIOs available on the board would be SoC based,
> > some of them
> > might sit on I2C GPIO expanders, for example, on Intel
> > Edison/Arduino, and thus
> > any communication with them might sleep.
> >
> > Besides that using udelay() and mdelay() is kinda resource wasteful.
> >
> > Summarize all of the above, convert fbtft_reset() function to non-
> > atomic
> > variant by using gpio_set_value_cansleep(), usleep_range(), and
> > msleep().
> >
> > Reviewed-by: Noralf TrÃnnes <noralf@xxxxxxxxxxx>
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
>
> Andy, this series came through with the charmap all corrupted and git
> didn't like them at all.ÂÂCan you fix up and resend?
Strange. I used usual git send-email. Okay, just resent (as v4).
--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy