On Wed, May 20, 2020 at 11:43:04AM +0800, Andrew-sh.Cheng wrote:
> + cci_df->proc_reg = devm_regulator_get_optional(cci_dev, "proc");
> + ret = PTR_ERR_OR_ZERO(cci_df->proc_reg);
> + if (ret) {
> + if (ret != -EPROBE_DEFER)
> + dev_err(cci_dev, "failed to get regulator for CCI: %d\n",
> + ret);
> + return ret;
> + }
> + ret = regulator_enable(cci_df->proc_reg);
The code appears to require a regulator (and I'm guessing the device
needs power) so why is this using regulator_get_optional()?
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