Re: [PATCH v2 3/3] i2c: qcom-cci: Fix CCI clock rate enforcement
From: Mukesh Savaliya
Date: Mon Jul 27 2026 - 05:34:40 EST
On 7/27/2026 2:51 PM, Loic Poulain wrote:
[...]
@@ -587,6 +618,24 @@ static int cci_probe(struct platform_device *pdev)
return dev_err_probe(dev, -EINVAL, "not enough clocks in DT\n");
cci->nclocks = ret;
+ cci->cci_clk = devm_clk_get(dev, "cci");
+ if (IS_ERR(cci->cci_clk))
+ return dev_err_probe(dev, PTR_ERR(cci->cci_clk),
+ "failed to get CCI clock\n");
+
+ ret = devm_pm_opp_set_clkname(dev, "cci");
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to set CCI OPP clk\n");
+
+ /* OPP table is optional */
+ ret = devm_pm_opp_of_add_table(dev);
+ if (ret && ret != -ENODEV)
+ return dev_err_probe(dev, ret, "failed to add OPP table\n");
+
if this is an optional why to return with an error ? IMO, further operations should continue which are not opp dependent ?
+ ret = cci_set_core_rate(cci, cci->data->cci_clk_rate);
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to set CCI clock rate\n");
+
ret = cci_enable_clocks(cci);
if (ret < 0)
return ret;