Hi Anson, On Thu, 2020-07-30 at 02:11 +0000, Anson Huang wrote: > Hi, Philipp/Rob > > > Subject: Re: [PATCH V3 3/3] pci: imx: Select RESET_IMX7 by default > > > > On Wed, 2020-07-29 at 09:26 -0600, Rob Herring wrote: > > > On Mon, Jul 20, 2020 at 8:26 AM Anson Huang <Anson.Huang@xxxxxxx> > > wrote: > > > > i.MX7 reset driver now supports module build and it is no longer > > > > built in by default, so i.MX PCI driver needs to select it > > > > explicitly due to it is NOT supporting loadable module currently. > > > > > > > > Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx> > > > > --- > > > > No change. > > > > --- > > > > drivers/pci/controller/dwc/Kconfig | 1 + > > > > 1 file changed, 1 insertion(+) > > > > > > > > diff --git a/drivers/pci/controller/dwc/Kconfig > > > > b/drivers/pci/controller/dwc/Kconfig > > > > index 044a376..bcf63ce 100644 > > > > --- a/drivers/pci/controller/dwc/Kconfig > > > > +++ b/drivers/pci/controller/dwc/Kconfig > > > > @@ -90,6 +90,7 @@ config PCI_EXYNOS > > > > > > > > config PCI_IMX6 > > > > bool "Freescale i.MX6/7/8 PCIe controller" > > > > + select RESET_IMX7 > > > > > > This will break as select will not cause all of RESET_IMX7's > > > dependencies to be met. It also doesn't scale. Are you going to do the > > > same thing for clocks, pinctrl, gpio, etc.? > > > > > > You should make the PCI driver work as a module. > > > > Oh, also PCI_IMX6 is used on (surprise) i.MX6, which doesn't need > > RESET_IMX7 at all. > > > > How about hiding the RESET_IMX7 option and setting it default y if > > PCI_IMX6 is enabled, as an interim solution? > > Like below, RESET_IMX7 is already default y when SOC_IMX7D, now added PCI_IMX6, > let me know if it is OK for you, then I will send new patch for review. > > +++ b/drivers/reset/Kconfig > @@ -68,7 +68,7 @@ config RESET_IMX7 > tristate "i.MX7/8 Reset Driver" I was thinking something like tristate "i.MX7/8 Reset Driver" if COMPILE_TEST || !PCI_IMX6 > depends on HAS_IOMEM > depends on SOC_IMX7D || (ARM64 && ARCH_MXC) || COMPILE_TEST > - default y if SOC_IMX7D > + default y if (SOC_IMX7D || PCI_IMX6) Yes, although without the above I think it could still be disabled manually or via oldconfig. regards Philipp
