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

From: "John W. Linville" <[email-masked]>
Date: Tue, 25 Nov 2014 14:53:34 -0500

On Tue, Nov 25, 2014 at 01:50:32PM -0600, Larry Finger wrote:
> On 11/25/2014 12:46 PM, John W. Linville wrote:
> >On Tue, Nov 25, 2014 at 10:32:06AM -0600, 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 <[email-masked]>
> >>Tested-by: Valerio Passini <[email-masked]>
> >>Signed-off-by: Larry Finger <[email-masked]>
> >>Cc: Valerio Passini <[email-masked]>
> >>---
> >>  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 parenthesis seem superfluous.  How about this line instead?
> >
> >+		ratr_bitmap = sta->supp_rates[NL80211_BAND_5GHZ] << 4;
> >
> >>  	else
> >>  		ratr_bitmap = sta->supp_rates[NL80211_BAND_2GHZ];
> 
> Good idea. V2 is on its way.

No need -- I merged it with my version of the line. :-)

John
-- 
John W. Linville		Someday the world will need a hero, and you
[email-masked]			might be all we have.  Be ready.
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