Re: [PATCH v11 2/4] PCI/DOE: Rename Discovery Response Data Object Contents to type

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On Fri, 14 Jun 2024 10:12:42 +1000
Alistair Francis <alistair23@xxxxxxxxx> wrote:

> PCIe r6.1 (which was published July 24) describes a "Vendor ID", a
> "Data Object Type" and "Next Index" as the fields in the DOE
> Discovery Response Data Object. The DOE driver currently uses
> both the terms type and prot for the second element.
> 
> This patch renames all uses of the DOE Discovery Response Data Object
> to use type as the second element of the object header, instead of
> type/prot as it currently is.
> 
> Signed-off-by: Alistair Francis <alistair.francis@xxxxxxx>
Completely trivial suggestion below

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

> diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
> index 94c00996e633..ca692a3e1e5e 100644
> --- a/include/uapi/linux/pci_regs.h
> +++ b/include/uapi/linux/pci_regs.h
> @@ -1146,9 +1146,12 @@
>  #define PCI_DOE_DATA_OBJECT_DISC_REQ_3_INDEX		0x000000ff
>  #define PCI_DOE_DATA_OBJECT_DISC_REQ_3_VER		0x0000ff00
>  #define PCI_DOE_DATA_OBJECT_DISC_RSP_3_VID		0x0000ffff
> -#define PCI_DOE_DATA_OBJECT_DISC_RSP_3_PROTOCOL		0x00ff0000
> +#define PCI_DOE_DATA_OBJECT_DISC_RSP_3_TYPE		0x00ff0000
>  #define PCI_DOE_DATA_OBJECT_DISC_RSP_3_NEXT_INDEX	0xff000000
>  
> +/* Deprecated old name, replaced with PCI_DOE_DATA_OBJECT_DISC_RSP_3_TYPE */
> +#define PCI_DOE_DATA_OBJECT_DISC_RSP_3_PROTOCOL		0x00ff0000

I don't care that much, but could make one define just use the other
so the code makes it explicit that this is just a rename.

> +
>  /* Compute Express Link (CXL r3.1, sec 8.1.5) */
>  #define PCI_DVSEC_CXL_PORT				3
>  #define PCI_DVSEC_CXL_PORT_CTL				0x0c





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