On Tue, Nov 06, 2018 at 03:11:48PM -0800, Stephen Boyd wrote: > Quoting Matthias Kaehlcke (2018-11-02 14:45:34) > > @@ -630,7 +632,8 @@ static int pll_10nm_register(struct dsi_pll_10nm *pll_10nm) > > char clk_name[32], parent[32], vco_name[32]; > > char parent2[32], parent3[32], parent4[32]; > > struct clk_init_data vco_init = { > > - .parent_names = (const char *[]){ "xo" }, > > + .parent_names = (const char *[]){ > > + __clk_get_name(pll_10nm->vco_ref_clk) }, > > I find this syntax odd, in addition to needing to check for NULL here as > Sean pointed out. Preferably just have it be the address of the > character pointer instead of making an anonymous array and then casting > that inline, i.e > > .parent_names = &ref_clk_name, Ok I'm not convinced the check for NULL is needed though, see my reply to Sean. > > .num_parents = 1, > > .name = vco_name, > > .flags = CLK_IGNORE_UNUSED, > > @@ -786,6 +789,12 @@ struct msm_dsi_pll *msm_dsi_pll_10nm_init(struct platform_device *pdev, int id) > > pll_10nm->id = id; > > pll_10nm_list[id] = pll_10nm; > > > > + pll_10nm->vco_ref_clk = devm_clk_get(&pdev->dev, "ref"); > > + if (IS_ERR(pll_10nm->vco_ref_clk)) { > > + dev_err(&pdev->dev, "couldn't get 'ref' clock\n"); > > This might be because of probe defer, which may be annoying to see this > failure many times. Ok, will skip the logging for -EPROBE_DEFER Cheers Matthias