Re: [PATCH 1/2] drm: replace Compliance/Margin magic numbers with PCI_EXP_LNKCTL2 definitions

From: Bjorn Helgaas
Date: Thu Nov 07 2019 - 17:49:32 EST


On Thu, Nov 7, 2019 at 4:30 PM Ilia Mirkin <imirkin@xxxxxxxxxxxx> wrote:
>
> On Thu, Nov 7, 2019 at 5:21 PM Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote:
> > diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
> > index 29d6e93fd15e..03446be8a7be 100644
> > --- a/include/uapi/linux/pci_regs.h
> > +++ b/include/uapi/linux/pci_regs.h
> > @@ -673,6 +673,8 @@
> > #define PCI_EXP_LNKCTL2_TLS_8_0GT 0x0003 /* Supported Speed 8GT/s */
> > #define PCI_EXP_LNKCTL2_TLS_16_0GT 0x0004 /* Supported Speed 16GT/s */
> > #define PCI_EXP_LNKCTL2_TLS_32_0GT 0x0005 /* Supported Speed 32GT/s */
> > +#define PCI_EXP_LNKCTL2_ENTER_COMP 0x0010 /* Enter Compliance */
> > +#define PCI_EXP_LNKCTL2_TX_MARGIN 0x0380 /* Enter Compliance */
>
> Without commenting on the meat of the patch, this comment should
> probably read "Transmit Margin" or something along those lines?

Indeed, thank you!