Quoting Matthias Kaehlcke (2018-12-19 14:22:22) > On Mon, Dec 10, 2018 at 07:51:19AM -0800, Stephen Boyd wrote: > > Quoting Matthias Kaehlcke (2018-12-04 14:42:30) > > > diff --git a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_14nm.c b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_14nm.c > > > index 71fe60e5f01f1..032bf3e8614bd 100644 > > > --- a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_14nm.c > > > +++ b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_14nm.c > > > @@ -40,7 +40,6 @@ > > > > > > #define NUM_PROVIDED_CLKS 2 > > > > > > -#define VCO_REF_CLK_RATE 19200000 > > > #define VCO_MIN_RATE 1300000000UL > > > #define VCO_MAX_RATE 2600000000UL > > > > > > @@ -139,6 +138,7 @@ struct dsi_pll_14nm { > > > /* protects REG_DSI_14nm_PHY_CMN_CLK_CFG0 register */ > > > spinlock_t postdiv_lock; > > > > > > + struct clk *vco_ref_clk; > > > > Is there any need to keep it in the struct? Or just get the clk, find > > the rate, and then put the clk and call pll_14nm_postdiv_register()? > > I suppose you mean passing the clock name to pll_14nm_register()? Yes, whatever makes it possible to avoid storing the pointer in the struct. > > Is putting the clock really needed or preferable, or is it just fine > to auto-put it when the device is deleted? Up to you. If you don't have a need for the clk anymore it seems fine to just put the clk and be done.