linux-kernel - Re: [PATCH 2/2] PCI: vmd: Make use of PCI_DEVICE

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Date:   Thu, 22 Jul 2021 10:45:35 -0600
From:   "Derrick, Jonathan" <jonathan.derrick@...el.com>
To:     Cai Huoqing <caihuoqing@...du.com>
CC:     "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] PCI: vmd: Make use of PCI_DEVICE_DATA() helper
 function

Hello,

On 7/22/2021 5:29 AM, Cai Huoqing wrote:
> We could make use of PCI_DEVICE_DATA() helper function
> 
> Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
> ---
>  drivers/pci/controller/vmd.c | 38 ++++++++++++++++++------------------
>  include/linux/pci_ids.h      |  2 ++
>  2 files changed, 21 insertions(+), 19 deletions(-)
> 
> diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c
> index e3fcdfec58b3..565681ed00a1 100644
> --- a/drivers/pci/controller/vmd.c
> +++ b/drivers/pci/controller/vmd.c
> @@ -859,25 +859,25 @@ static int vmd_resume(struct device *dev)
>  static SIMPLE_DEV_PM_OPS(vmd_dev_pm_ops, vmd_suspend, vmd_resume);
>  
>  static const struct pci_device_id vmd_ids[] = {
> -       {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_VMD_201D),
> -               .driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP,},
> -       {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_VMD_28C0),
> -               .driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW |
> -                               VMD_FEAT_HAS_BUS_RESTRICTIONS |
> -                               VMD_FEAT_CAN_BYPASS_MSI_REMAP,},
> -       {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x467f),
> -               .driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
> -                               VMD_FEAT_HAS_BUS_RESTRICTIONS |
> -                               VMD_FEAT_OFFSET_FIRST_VECTOR,},
> -       {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x4c3d),
> -               .driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
> -                               VMD_FEAT_HAS_BUS_RESTRICTIONS |
> -                               VMD_FEAT_OFFSET_FIRST_VECTOR,},
> -       {PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_VMD_9A0B),
> -               .driver_data = VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
> -                               VMD_FEAT_HAS_BUS_RESTRICTIONS |
> -                               VMD_FEAT_OFFSET_FIRST_VECTOR,},
> -       {0,}
> +       { PCI_DEVICE_DATA(INTEL, VMD_201D,
> +                         VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP) },
> +       { PCI_DEVICE_DATA(INTEL, VMD_28C0,
> +                         VMD_FEAT_HAS_MEMBAR_SHADOW |
> +                         VMD_FEAT_HAS_BUS_RESTRICTIONS |
> +                         VMD_FEAT_CAN_BYPASS_MSI_REMAP) },
> +       { PCI_DEVICE_DATA(INTEL, VMD_467F,
> +                         VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
> +                         VMD_FEAT_HAS_BUS_RESTRICTIONS |
> +                         VMD_FEAT_OFFSET_FIRST_VECTOR) },
> +       { PCI_DEVICE_DATA(INTEL, VMD_4C3D,
> +                         VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
> +                         VMD_FEAT_HAS_BUS_RESTRICTIONS |
> +                         VMD_FEAT_OFFSET_FIRST_VECTOR) },
> +       { PCI_DEVICE_DATA(INTEL, VMD_9A0B,
> +                         VMD_FEAT_HAS_MEMBAR_SHADOW_VSCAP |
> +                         VMD_FEAT_HAS_BUS_RESTRICTIONS |
> +                         VMD_FEAT_OFFSET_FIRST_VECTOR) },
> +       { },
>  };
>  MODULE_DEVICE_TABLE(pci, vmd_ids);
>  
> diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> index 4bac1831de80..d25552b5ae3e 100644
> --- a/include/linux/pci_ids.h
> +++ b/include/linux/pci_ids.h
> @@ -2954,6 +2954,8 @@
>  #define PCI_DEVICE_ID_INTEL_SBRIDGE_BR         0x3cf5  /* 13.6 */
>  #define PCI_DEVICE_ID_INTEL_SBRIDGE_SAD1       0x3cf6  /* 12.7 */
>  #define PCI_DEVICE_ID_INTEL_IOAT_SNB   0x402f
> +#define PCI_DEVICE_ID_INTEL_VMD_467F   0x467f
> +#define PCI_DEVICE_ID_INTEL_VMD_4C3D   0x4c3d
>  #define PCI_DEVICE_ID_INTEL_5100_16    0x65f0
>  #define PCI_DEVICE_ID_INTEL_5100_19    0x65f3
>  #define PCI_DEVICE_ID_INTEL_5100_21    0x65f5
> 

This is fine with me

Reviewed-by: Jon Derrick <jonathan.derrick@...el.com>