On 21-01-20 16:13:05, Sascha Hauer wrote: > Hi Abel, > > On Wed, Jan 20, 2021 at 04:44:54PM +0200, Abel Vesa wrote: > > On 21-01-18 08:00:43, Adam Ford wrote: > > > On Mon, Jan 18, 2021 at 6:52 AM Abel Vesa <abel.v...@nxp.com> wrote:
... > > > > > > > > > > > TBH, I'm against the idea of having to call consumer API from a clock > > > > provider driver. > > > > I'm still investigating a way of moving the uart clock control calls in > > > > drivers/serial/imx, > > > > where they belong. > > > > > > That makes sense. > > > > > > > Just a thought. The uart clock used for console remains on from u-boot, > > so maybe it's enough to just add the CLK_IGNORE_UNUSED flag to all the > > uart root clocks and remove the prepare/enable calls for uart clocks > > for good. I don't really have a way to test it right now, but maybe > > you could give it a try. > > That would mean that UART clocks will never be disabled, regardless of > whether they are used for console or not. That doesn't sound very > appealing. AFAIK, the only uart clock that is enabled by u-boot is the one used for the console. Later on, when the serial driver probes, it will enable it itself. Unless I'm missing something, this is exactly what we need.