On Fri, Nov 27, 2020 at 03:26:53PM -0500, Jim Quinlan wrote:
> On Thu, Nov 26, 2020 at 6:49 AM Mark Brown wrote:
> > Does PCI allow supplies to be physically absent? If not then the driver
> > shouldn't be using regulator_get_optional() and much of the code here
> > can be deleted.
> First, as
On Thu, Nov 26, 2020 at 6:49 AM Mark Brown wrote:
>
> On Wed, Nov 25, 2020 at 02:24:19PM -0500, Jim Quinlan wrote:
>
> > + for (i = 0; i < PCIE_REGULATORS_MAX; i++) {
> > + ep_reg = devm_regulator_get_optional(dev,
> > ep_regulator_names[i]);
> > + if (IS_ERR(ep_reg))
On Wed, Nov 25, 2020 at 02:24:19PM -0500, Jim Quinlan wrote:
> + for (i = 0; i < PCIE_REGULATORS_MAX; i++) {
> + ep_reg = devm_regulator_get_optional(dev,
> ep_regulator_names[i]);
> + if (IS_ERR(ep_reg)) {
Does PCI allow supplies to be physically absent? If not
Control of EP regulators by the RC is needed because of the chicken-and-egg
situation: although the regulator is "owned" by the EP and would be best
handled on its driver, the EP cannot be discovered and probed unless its
regulator is already turned on.
Signed-off-by: Jim Quinlan
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