On Wed, Aug 28, 2019 at 10:58:48PM +0530, Vidya Sagar wrote: > Add support to get regulator information of 3.3V and 12V supplies of a PCIe > slot from the respective controller's device-tree node and enable those > supplies. This is required in platforms like p2972-0000 where the supplies > to x16 slot owned by C5 controller need to be enabled before attempting to > enumerate the devices. > > Signed-off-by: Vidya Sagar <vidyas@xxxxxxxxxx> > --- > V3: > * Added a dev_err() print for failure case of tegra_pcie_get_slot_regulators() API > * Modified to make 100ms sleep valid only if at least one of the regulator handles exist > > V2: > * Addressed review comments from Thierry Reding and Andrew Murray > * Handled failure case of devm_regulator_get_optional() for -ENODEV cleanly > > drivers/pci/controller/dwc/pcie-tegra194.c | 83 ++++++++++++++++++++++ > 1 file changed, 83 insertions(+) Acked-by: Thierry Reding <treding@xxxxxxxxxx>
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