RE: [PATCH v21 12/16] PCI: add T_PVPERL macro

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Hello Manivannan,

> From: Manivannan Sadhasivam, Sent: Tuesday, October 10, 2023 8:31 PM
> 
> On Fri, Sep 22, 2023 at 03:53:27PM +0900, Yoshihiro Shimoda wrote:
> > According to the PCI Express Card Electromechanical Specification,
> > Power stable to PERST# inactive interval is 100 ms as minimum.
> > So, add the macro to use PCIe controller drivers.
> >
> 
> "Add a macro so that the PCIe controller drivers can make use of it."

I'll revise this.

> > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> 
> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>

Thank you for your review!

Best regards,
Yoshihiro Shimoda

> - Mani
> 
> > ---
> >  drivers/pci/pci.h | 3 +++
> >  1 file changed, 3 insertions(+)
> >
> > diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
> > index 39a8932dc340..5ecbcf041179 100644
> > --- a/drivers/pci/pci.h
> > +++ b/drivers/pci/pci.h
> > @@ -13,6 +13,9 @@
> >
> >  #define PCIE_LINK_RETRAIN_TIMEOUT_MS	1000
> >
> > +/* Power stable to PERST# inactive from PCIe card Electromechanical Spec */
> > +#define PCIE_T_PVPERL_MS		100
> > +
> >  /*
> >   * PCIe r6.0, sec 5.3.3.2.1 <PME Synchronization>
> >   * Recommends 1ms to 10ms timeout to check L2 ready.
> > --
> > 2.25.1
> >
> 
> --
> மணிவண்ணன் சதாசிவம்




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