Re: [PATCH 2/2] i2c: designware: Add support for a bus clock

From: Andy Shevchenko
Date: Tue Jul 17 2018 - 10:18:39 EST


On Tue, 2018-07-17 at 12:42 +0000, Phil Edworthy wrote:

> > While your point sounds valid (don't remember how clk_get() is
> > implemented), NULL is also OK to have.
>
> Ok as in there is no bus clock, right?
> So it should be:
> if (!IS_ERR_OR_NULL (dev->busclk))

Nope, NULL is no error case for optional clock.

--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy