netdev - Re: [PATCH v12 3/9] cfg80211: expose nl80211_chan_width_to

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Message-ID: <92dde569-3919-15e-b714-4eb8fbc73eae@linux.intel.com>
Date: Tue, 17 Oct 2023 12:14:30 +0300 (EEST)
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: Ma Jun <Jun.Ma2@....com>
cc: amd-gfx@...ts.freedesktop.org, lenb@...nel.org, johannes@...solutions.net, 
    davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, 
    pabeni@...hat.com, alexander.deucher@....com, Lijo.Lazar@....com, 
    mario.limonciello@....com, majun@....com, netdev@...r.kernel.org, 
    linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org, 
    linux-doc@...r.kernel.org, platform-driver-x86@...r.kernel.org, 
    Evan Quan <quanliangl@...mail.com>
Subject: Re: [PATCH v12 3/9] cfg80211: expose nl80211_chan_width_to_mhz for
 wide sharing

On Tue, 17 Oct 2023, Ma Jun wrote:

> From: Evan Quan <quanliangl@...mail.com>
> 
> The newly added WBRF feature needs this interface for channel
> width calculation.
> 
> Signed-off-by: Ma Jun <Jun.Ma2@....com>
> Signed-off-by: Evan Quan <quanliangl@...mail.com>
> 
> --
> v8->v9:
>   - correct typo(Mhz -> MHz) (Johnson)
> ---
>  include/net/cfg80211.h | 8 ++++++++
>  net/wireless/chan.c    | 3 ++-
>  2 files changed, 10 insertions(+), 1 deletion(-)
> 
> diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
> index d6fa7c8767ad..026d91083f37 100644
> --- a/include/net/cfg80211.h
> +++ b/include/net/cfg80211.h
> @@ -923,6 +923,14 @@ const struct cfg80211_chan_def *
>  cfg80211_chandef_compatible(const struct cfg80211_chan_def *chandef1,
>  			    const struct cfg80211_chan_def *chandef2);
>  
> +/**
> + * nl80211_chan_width_to_mhz - get the channel width in MHz
> + * @chan_width: the channel width from &enum nl80211_chan_width
> + * Return: channel width in MHz if the chan_width from &enum nl80211_chan_width
> + * is valid. -1 otherwise.

Add empty line before Return:

> + */
> +int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width);
> +
>  /**
>   * cfg80211_chandef_valid - check if a channel definition is valid
>   * @chandef: the channel definition to check
> diff --git a/net/wireless/chan.c b/net/wireless/chan.c
> index 0b7e81db383d..227db04eac42 100644
> --- a/net/wireless/chan.c
> +++ b/net/wireless/chan.c
> @@ -141,7 +141,7 @@ static bool cfg80211_edmg_chandef_valid(const struct cfg80211_chan_def *chandef)
>  	return true;
>  }
>  
> -static int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width)
> +int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width)
>  {
>  	int mhz;
>  
> @@ -190,6 +190,7 @@ static int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width)
>  	}
>  	return mhz;
>  }
> +EXPORT_SYMBOL(nl80211_chan_width_to_mhz);
>  
>  static int cfg80211_chandef_get_width(const struct cfg80211_chan_def *c)
>  {
> 

-- 
 i.