Quoting Anson Huang (2019-06-08 02:58:18) > Hi, Stephen > > > -----Original Message----- > > From: Stephen Boyd <[email protected]> > > Sent: Saturday, June 8, 2019 2:01 AM > > To: [email protected]; [email protected]; > > [email protected]; [email protected]; > > [email protected]; [email protected]; > > [email protected]; [email protected]; > > [email protected]; [email protected]; linux-arm- > > [email protected]; [email protected]; linux- > > [email protected]; [email protected]; > > [email protected]; [email protected]; [email protected]; > > [email protected]; s.hauer@pengutronix .de <[email protected]>; > > [email protected]; [email protected]; Abel Vesa > > <[email protected]>; Aisheng Dong <[email protected]>; Anson > > Huang <[email protected]>; Jacky Bai <[email protected]>; Leonard > > Crestez <[email protected]> > > Cc: dl-linux-imx <[email protected]> > > Subject: RE: [PATCH V3 3/4] clk: imx: Add support for i.MX8MN clock driver > > > > Quoting Anson Huang (2019-06-06 17:50:28) > > > > > > I will use devm_platform_ioremap_resource() instead of ioremap(), and > > > can you be more specific about devmified clk registration? > > > > > > > I mean using things like devm_clk_hw_register(). > > Sorry, I am still a little confused, all the clock register(clk_register()) > are via each different > clock types like imx_clk_gate4/imx_clk_pll14xx, if using clk_hw_register, > means we need > to re-write the clock driver using different clk register method, that will > make the driver > completely different from i.mx8mq/i.mx8mm, they are actually same series of > SoC as i.mx8mn, > it will introduce many confusion, is my understanding correct? And is it OK > to just keep what > it is and make them all aligned? >
Ok, the problem I'm trying to point out is that clk registrations need to be undone, i.e. clk_unregister() needs to be called, when the driver fails to probe. devm_*() is one way to do this, but if you have other ways of removing all the registered clks then that works too. Makes sense?

