netdev - Re: [PATCH 1/2 V2 3.18] rtlwifi: rtl8821ae: Fix 5G detection problem

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Date:	Tue, 25 Nov 2014 23:10:36 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Larry Finger <Larry.Finger@...inger.net>, linville@...driver.com
CC:	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	Valerio Passini <valerio.passini@...cam.it>
Subject: Re: [PATCH 1/2 V2 3.18] rtlwifi: rtl8821ae: Fix 5G detection problem

Hello.

On 11/25/2014 11:02 PM, Larry Finger wrote:

> The changes associated with moving this driver from staging to the regular
> tree missed one section setting the allowable rates for the 5GHz band.

> This patch is needed to fix the regression reported in Bug #88811
> (https://bugzilla.kernel.org/show_bug.cgi?id=88811).

> Reported-by: Valerio Passini <valerio.passini@...cam.it>
> Tested-by: Valerio Passini <valerio.passini@...cam.it>
> Signed-off-by: Larry Finger <Larry.Finger@...inger.net>
> Cc: Valerio Passini <valerio.passini@...cam.it>
> ---

> V2 - removed extra parentheses as suggested by John Linville.

    He's also suggested spaces around << in his example

> ---
>   drivers/net/wireless/rtlwifi/rtl8821ae/hw.c | 5 +++--
>   1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c b/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c
> index 310d316..18f34f7 100644
> --- a/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c
> +++ b/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c
> @@ -3672,8 +3672,9 @@ static void rtl8821ae_update_hal_rate_mask(struct ieee80211_hw *hw,
>   		mac->opmode == NL80211_IFTYPE_ADHOC)
>   		macid = sta->aid + 1;
>   	if (wirelessmode == WIRELESS_MODE_N_5G ||
> -	    wirelessmode == WIRELESS_MODE_AC_5G)
> -		ratr_bitmap = sta->supp_rates[NL80211_BAND_5GHZ];
> +	    wirelessmode == WIRELESS_MODE_AC_5G ||
> +	    wirelessmode == WIRELESS_MODE_A)
> +		ratr_bitmap = sta->supp_rates[NL80211_BAND_5GHZ]<<4;

    The kernel style generally assumes spaces around operators, and it would 
only be consistent with the other code in the vicinity if you added them...

WBR, Sergei

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