linux-kernel - Re: [Nouveau] [PATCH] drm/nouveau: Fixing indentation and adding License Identifier tag

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Date:   Mon, 23 Oct 2023 23:33:23 +0200
From:   Danilo Krummrich <dakr@...hat.com>
To:     Bragatheswaran Manickavel <bragathemanick0908@...il.com>,
        kherbst@...hat.com, lyude@...hat.com, dakr@...hat.com,
        maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
        tzimmermann@...e.de, airlied@...il.com, daniel@...ll.ch
Cc:     nouveau@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [Nouveau] [PATCH] drm/nouveau: Fixing indentation and adding
 License Identifier tag

On 10/8/23 19:27, Bragatheswaran Manickavel wrote:
> On running checkpatch.pl to nouveau_drm.h identified
> few warnings. Fixing them in this patch
> 
> WARNING: Missing or malformed SPDX-License-Identifier tag in line 1
> +/*
> 
> WARNING: space prohibited between function name and open parenthesis '('
> +#define DRM_IOCTL_NOUVEAU_CHANNEL_FREE       DRM_IOW (DRM_COMMAND_BASE +
> DRM_NOUVEAU_CHANNEL_FREE, struct drm_nouveau_channel_free)

Even though this fixes a checkpatch warning, I don't see how this change
improves readability, rather the opposite. Personally, I prefer keeping this
as it is.

- Danilo

> 
> Signed-off-by: Bragatheswaran Manickavel <bragathemanick0908@...il.com>
> ---
>   include/uapi/drm/nouveau_drm.h | 7 ++++---
>   1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/include/uapi/drm/nouveau_drm.h b/include/uapi/drm/nouveau_drm.h
> index 8d7402c13e56..900ca4f1ebe5 100644
> --- a/include/uapi/drm/nouveau_drm.h
> +++ b/include/uapi/drm/nouveau_drm.h
> @@ -1,3 +1,4 @@
> +/* SPDX-License-Identifier: MIT */
>   /*
>    * Copyright 2005 Stephane Marchesin.
>    * All Rights Reserved.
> @@ -448,15 +449,15 @@ struct drm_nouveau_svm_bind {
>   
>   #define DRM_IOCTL_NOUVEAU_GETPARAM           DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GETPARAM, struct drm_nouveau_getparam)
>   #define DRM_IOCTL_NOUVEAU_CHANNEL_ALLOC      DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_CHANNEL_ALLOC, struct drm_nouveau_channel_alloc)
> -#define DRM_IOCTL_NOUVEAU_CHANNEL_FREE       DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_CHANNEL_FREE, struct drm_nouveau_channel_free)
> +#define DRM_IOCTL_NOUVEAU_CHANNEL_FREE       DRM_IOW(DRM_COMMAND_BASE + DRM_NOUVEAU_CHANNEL_FREE, struct drm_nouveau_channel_free)
>   
>   #define DRM_IOCTL_NOUVEAU_SVM_INIT           DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_SVM_INIT, struct drm_nouveau_svm_init)
>   #define DRM_IOCTL_NOUVEAU_SVM_BIND           DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_SVM_BIND, struct drm_nouveau_svm_bind)
>   
>   #define DRM_IOCTL_NOUVEAU_GEM_NEW            DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_NEW, struct drm_nouveau_gem_new)
>   #define DRM_IOCTL_NOUVEAU_GEM_PUSHBUF        DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_PUSHBUF, struct drm_nouveau_gem_pushbuf)
> -#define DRM_IOCTL_NOUVEAU_GEM_CPU_PREP       DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_PREP, struct drm_nouveau_gem_cpu_prep)
> -#define DRM_IOCTL_NOUVEAU_GEM_CPU_FINI       DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_FINI, struct drm_nouveau_gem_cpu_fini)
> +#define DRM_IOCTL_NOUVEAU_GEM_CPU_PREP       DRM_IOW(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_PREP, struct drm_nouveau_gem_cpu_prep)
> +#define DRM_IOCTL_NOUVEAU_GEM_CPU_FINI       DRM_IOW(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_FINI, struct drm_nouveau_gem_cpu_fini)
>   #define DRM_IOCTL_NOUVEAU_GEM_INFO           DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_INFO, struct drm_nouveau_gem_info)
>   
>   #define DRM_IOCTL_NOUVEAU_VM_INIT            DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_VM_INIT, struct drm_nouveau_vm_init)