> -----Original Message----- > From: Bjorn Helgaas <helgaas@xxxxxxxxxx> > Sent: 2022年6月9日 2:55 > To: Hongxing Zhu <hongxing.zhu@xxxxxxx> > Cc: l.stach@xxxxxxxxxxxxxx; bhelgaas@xxxxxxxxxx; robh+dt@xxxxxxxxxx; > broonie@xxxxxxxxxx; lorenzo.pieralisi@xxxxxxx; jingoohan1@xxxxxxxxx; > festevam@xxxxxxxxx; francesco.dolcini@xxxxxxxxxxx; > linux-pci@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; > linux-kernel@xxxxxxxxxxxxxxx; kernel@xxxxxxxxxxxxxx; dl-linux-imx > <linux-imx@xxxxxxx> > Subject: Re: [PATCH v9 5/8] PCI: imx6: Refine the regulator usage > > On Fri, May 06, 2022 at 09:47:06AM +0800, Richard Zhu wrote: > > The driver should undo any enables it did itself. The regulator > > disable shouldn't be basing decisions on regulator_is_enabled(). > > > > To keep the balance of the regulator usage counter, disable the > > regulator just behind of imx6_pcie_assert_core_reset() in resume and > shutdown. > > In subject, "Refine" doesn't tell me anything about what's happening here. Thanks for your comments. How about the following one? PCI: imx6: Do regulator disable without the regulator_is_enabled check Best Regards Richard Zhu