netdev - Re: [PATCH v2 2/3] mwifiex: move .get_tx_power logic to station ioctl file

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Date:	Fri, 10 Jun 2016 10:37:24 -0400
From:	Javier Martinez Canillas <javier@....samsung.com>
To:	Kalle Valo <kvalo@...eaurora.org>
Cc:	linux-kernel@...r.kernel.org,
	Julian Calaby <julian.calaby@...il.com>,
	Shengzhen Li <szli@...vell.com>,
	Enric Balletbo i Serra <enric.balletbo@...labora.com>,
	Amitkumar Karwar <akarwar@...vell.com>, netdev@...r.kernel.org,
	linux-wireless@...r.kernel.org,
	Nishant Sarmukadam <nishants@...vell.com>
Subject: Re: [PATCH v2 2/3] mwifiex: move .get_tx_power logic to station ioctl
 file

Hello Kalle,

On 06/10/2016 10:30 AM, Kalle Valo wrote:
> Javier Martinez Canillas <javier@....samsung.com> writes:
> 
>> From: Shengzhen Li <szli@...vell.com>
>>
>> Most cfg80211 operations are just a wrappers to functions defined in the
>> sta_ioctl.c file, so for consistency move the .get_tx_power logic there.
>>
>> Signed-off-by: Shengzhen Li <szli@...vell.com>
>> Signed-off-by: Amitkumar Karwar <akarwar@...vell.com>
>> [javier: update the subject line and commit message]
>> Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
> 
> [...]
> 
>> --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c
>> +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
>> @@ -385,18 +385,10 @@ mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy,
>>  			      int *dbm)
>>  {
>>  	struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
>> -	struct mwifiex_private *priv = mwifiex_get_priv(adapter,
>> -							MWIFIEX_BSS_ROLE_ANY);
>> -	int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
>> -				   HostCmd_ACT_GEN_GET, 0, NULL, true);
>> -
>> -	if (ret < 0)
>> -		return ret;
>> -
>> -	/* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */
>> -	*dbm = priv->tx_power_level;
>> +	struct mwifiex_private *priv;
>>  
>> -	return 0;
>> +	priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY);
>> +	return mwifiex_get_tx_power(priv, dbm);
>>  }
> 
> So in patch 1 you added the patch and in patch 2 you move it to a
> different location? That doesn't make any sense, can't you just fold the
> two patches into one so that the function is added only once.
>

I posted this patch in v1 but then Amitkumar shared his patch with me that
was very similar to mine, only that the logic was in a different location.

So I included his delta as a separate patch to try keeping attribution as
best as possible.

Best regards,
-- 
Javier Martinez Canillas
Open Source Group
Samsung Research America