Re: [PATCH v6 4/5] PCI: Add PCIE_MSG_CODE_PME_TURN_OFF message macro
From: Manivannan Sadhasivam
Date: Wed Apr 17 2024 - 03:57:18 EST
On Tue, Apr 16, 2024 at 12:02:42PM -0500, Bjorn Helgaas wrote:
> On Mon, Apr 15, 2024 at 03:33:28PM -0400, Frank Li wrote:
> > Add PCIE_MSG_CODE_PME_TURN_OFF macros to enable a PCIe host driver to send
> > PME_Turn_Off messages.
> >
> > Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
> > ---
> > drivers/pci/pci.h | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
> > index 19b4227a8a7e8..1f6d54a5a7cfc 100644
> > --- a/drivers/pci/pci.h
> > +++ b/drivers/pci/pci.h
> > @@ -30,6 +30,8 @@
> > #define PCIE_MSG_TYPE_R_LOCAL 4
> > #define PCIE_MSG_TYPE_R_GATHER 5
> >
> > +#define PCIE_MSG_CODE_PME_TURN_OFF 0x19
>
> This is defined in PCIe r6.0, sec 2.2.8.2, so move this below the INTx
> #defines so they're all in the order of the spec sections and add the
I think it was me who suggested moving this up to keep it sorted in ascending
order :/
- Mani
> spec citation to follow the same style as the surrounding #defines,
> i.e.,
>
> /* Power Management Messages; PCIe r6.0, sec 2.2.8.2 */
> #define PCIE_MSG_CODE_PME_TURN_OFF 0x19
>
> While you're at it, tweak the [1/5] comments to be:
>
> /* Message Routing (r[2:0]); PCIe r6.0, sec 2.2.8 */
> /* INTx Mechanism Messages; PCIe r6.0, sec 2.2.8.1 */
>
> since the "Message Routing See: PCIe ..." comments are run together
> and need some punctuation between the text and the citation.
>
> With these,
>
> Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
>
> > /* INTx Mechanism Messages See: PCIe r6.0, sec 2.2.8.1 */
> > #define PCIE_MSG_CODE_ASSERT_INTA 0x20
> > #define PCIE_MSG_CODE_ASSERT_INTB 0x21
> >
> > --
> > 2.34.1
> >
--
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