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Subject: Re: [PATCH] drm/hisilicon: Adding a const declaration to an invariant
 construct
To:     Tian Tao <tiantao6@hisilicon.com>, airlied@linux.ie,
        daniel@ffwll.ch, kraxel@redhat.com, alexander.deucher@amd.com,
        tglx@linutronix.de, dri-devel@lists.freedesktop.org,
        xinliang.liu@linaro.org, linux-kernel@vger.kernel.org
References: <1603955505-43942-1-git-send-email-tiantao6@hisilicon.com>
From:   Thomas Zimmermann <tzimmermann@suse.de>
Message-ID: <40055cdc-c8eb-c71e-f362-51edbfd5970f@suse.de>
Date:   Thu, 29 Oct 2020 20:13:07 +0100
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In-Reply-To: <1603955505-43942-1-git-send-email-tiantao6@hisilicon.com>
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From: Thomas Zimmermann <tzimmermann@suse.de>
To: Tian Tao <tiantao6@hisilicon.com>, airlied@linux.ie, daniel@ffwll.ch,
 kraxel@redhat.com, alexander.deucher@amd.com, tglx@linutronix.de,
 dri-devel@lists.freedesktop.org, xinliang.liu@linaro.org,
 linux-kernel@vger.kernel.org
Message-ID: <40055cdc-c8eb-c71e-f362-51edbfd5970f@suse.de>
Subject: Re: [PATCH] drm/hisilicon: Adding a const declaration to an invariant
 construct
References: <1603955505-43942-1-git-send-email-tiantao6@hisilicon.com>
In-Reply-To: <1603955505-43942-1-git-send-email-tiantao6@hisilicon.com>

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Hi

Am 29.10.20 um 08:11 schrieb Tian Tao:
> Some constructs cannot be changed after being assigned a value,
> so add const declarations to invariant constructs.
>=20
> Signed-off-by: Tian Tao <tiantao6@hisilicon.com>

Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>

> ---
>  drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c  | 2 +-
>  drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
>=20
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c b/drivers/g=
pu/drm/hisilicon/hibmc/hibmc_drm_de.c
> index a1eabad..ef18b47 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
> @@ -139,7 +139,7 @@ static const u32 channel_formats1[] =3D {
>  	DRM_FORMAT_ABGR8888
>  };
> =20
> -static struct drm_plane_funcs hibmc_plane_funcs =3D {
> +static const struct drm_plane_funcs hibmc_plane_funcs =3D {
>  	.update_plane	=3D drm_atomic_helper_update_plane,
>  	.disable_plane	=3D drm_atomic_helper_disable_plane,
>  	.destroy =3D drm_plane_cleanup,
> diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/=
gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> index 0c1b40d..fee6fe8 100644
> --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
> @@ -369,7 +369,7 @@ static void hibmc_pci_remove(struct pci_dev *pdev)
>  	drm_dev_put(dev);
>  }
> =20
> -static struct pci_device_id hibmc_pci_table[] =3D {
> +static const struct pci_device_id hibmc_pci_table[] =3D {
>  	{ PCI_VDEVICE(HUAWEI, 0x1711) },
>  	{0,}
>  };
>=20

--=20
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 N=C3=BCrnberg, Germany
(HRB 36809, AG N=C3=BCrnberg)
Gesch=C3=A4ftsf=C3=BChrer: Felix Imend=C3=B6rffer

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