netdev - Re: [PATCH 2/3] pci_ids: Add Microsoft PCI Vendor ID, and remove redundant definitions

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Date:   Fri, 09 Sep 2022 16:01:37 +0200
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     eahariha@...ux.microsoft.com
Cc:     Deepak Rawat <drawat.floss@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, Helge Deller <deller@....de>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Easwar Hariharan <easwar.hariharan@...rosoft.com>,
        Colin Ian King <colin.i.king@...glemail.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        "open list:DRM DRIVER FOR HYPERV SYNTHETIC VIDEO DEVICE" 
        <linux-hyperv@...r.kernel.org>,
        "open list:DRM DRIVER FOR HYPERV SYNTHETIC VIDEO DEVICE" 
        <dri-devel@...ts.freedesktop.org>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:NETWORKING DRIVERS" <netdev@...r.kernel.org>,
        "open list:FRAMEBUFFER LAYER" <linux-fbdev@...r.kernel.org>,
        "open list:PCI SUBSYSTEM" <linux-pci@...r.kernel.org>
Subject: Re: [PATCH 2/3] pci_ids: Add Microsoft PCI Vendor ID, and remove
 redundant definitions

eahariha@...ux.microsoft.com writes:

> From: Easwar Hariharan <easwar.hariharan@...rosoft.com>
>
> Move the Microsoft PCI Vendor ID from the various drivers to the pci_ids
> file
>
> Signed-off-by: Easwar Hariharan <easwar.hariharan@...rosoft.com>
> ---
>  drivers/gpu/drm/hyperv/hyperv_drm_drv.c         | 1 -
>  drivers/net/ethernet/microsoft/mana/gdma_main.c | 4 ----
>  drivers/video/fbdev/hyperv_fb.c                 | 3 ---
>  include/linux/pci_ids.h                         | 2 ++
>  4 files changed, 2 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/hyperv/hyperv_drm_drv.c b/drivers/gpu/drm/hyperv/hyperv_drm_drv.c
> index 6d11e79..61083c7 100644
> --- a/drivers/gpu/drm/hyperv/hyperv_drm_drv.c
> +++ b/drivers/gpu/drm/hyperv/hyperv_drm_drv.c
> @@ -23,7 +23,6 @@
>  #define DRIVER_MAJOR 1
>  #define DRIVER_MINOR 0
>  
> -#define PCI_VENDOR_ID_MICROSOFT 0x1414
>  #define PCI_DEVICE_ID_HYPERV_VIDEO 0x5353
>  
>  DEFINE_DRM_GEM_FOPS(hv_fops);
> diff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.c b/drivers/net/ethernet/microsoft/mana/gdma_main.c
> index 5f92401..00d8198 100644
> --- a/drivers/net/ethernet/microsoft/mana/gdma_main.c
> +++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c
> @@ -1465,10 +1465,6 @@ static void mana_gd_shutdown(struct pci_dev *pdev)
>  	pci_disable_device(pdev);
>  }
>  
> -#ifndef PCI_VENDOR_ID_MICROSOFT
> -#define PCI_VENDOR_ID_MICROSOFT 0x1414
> -#endif
> -
>  static const struct pci_device_id mana_id_table[] = {
>  	{ PCI_DEVICE(PCI_VENDOR_ID_MICROSOFT, MANA_PF_DEVICE_ID) },
>  	{ PCI_DEVICE(PCI_VENDOR_ID_MICROSOFT, MANA_VF_DEVICE_ID) },
> diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c
> index 886c564..a502c80 100644
> --- a/drivers/video/fbdev/hyperv_fb.c
> +++ b/drivers/video/fbdev/hyperv_fb.c
> @@ -58,7 +58,6 @@
>  
>  #include <linux/hyperv.h>
>  
> -
>  /* Hyper-V Synthetic Video Protocol definitions and structures */
>  #define MAX_VMBUS_PKT_SIZE 0x4000
>  
> @@ -74,10 +73,8 @@
>  #define SYNTHVID_DEPTH_WIN8 32
>  #define SYNTHVID_FB_SIZE_WIN8 (8 * 1024 * 1024)
>  
> -#define PCI_VENDOR_ID_MICROSOFT 0x1414
>  #define PCI_DEVICE_ID_HYPERV_VIDEO 0x5353
>  
> -
>  enum pipe_msg_type {
>  	PIPE_MSG_INVALID,
>  	PIPE_MSG_DATA,
> diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> index 6feade6..c008fda 100644
> --- a/include/linux/pci_ids.h
> +++ b/include/linux/pci_ids.h
> @@ -2079,6 +2079,8 @@
>  #define PCI_DEVICE_ID_ICE_1712		0x1712
>  #define PCI_DEVICE_ID_VT1724		0x1724
>  
> +#define PCI_VENDOR_ID_MICROSOFT  	0x1414
> +
>  #define PCI_VENDOR_ID_OXSEMI		0x1415
>  #define PCI_DEVICE_ID_OXSEMI_12PCI840	0x8403
>  #define PCI_DEVICE_ID_OXSEMI_PCIe840		0xC000

I've sent a similar patch recently:
https://lore.kernel.org/linux-hyperv/20220827130345.1320254-2-vkuznets@redhat.com/

which Wei has already queued to hyperv/fixes. Moving
PCI_DEVICE_ID_MICROSOFT_MANA_PF/VF definitions to 'pci_ids.h' does make
sense but please rebase first.

-- 
Vitaly