[PATCH 1/9] ath10k: fix tx/rx chainmask init

[Michal Kazior]

On 18 September 2014 18:11, Ben Greear <greearb at candelatech.com> wrote:
> On 09/18/2014 06:21 AM, Michal Kazior wrote:
>> Firmware reports the number of RF chains so use
>> that for initialization of supp_{tx,rx}_chainmask
>> instead of using a macro for 3x3 chips.
>>
>> This should make tx/rx chainmask reports correct
>> for chips other than 3x3.
>
>> diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
>> index 2c42bd5..772cca5 100644
>> --- a/drivers/net/wireless/ath/ath10k/wmi.c
>> +++ b/drivers/net/wireless/ath/ath10k/wmi.c
>> @@ -2198,6 +2198,9 @@ static void ath10k_wmi_service_ready_event_rx(struct ath10k *ar,
>>               ar->num_rf_chains = WMI_MAX_SPATIAL_STREAM;
>>       }
>>
>> +     ar->supp_tx_chainmask = (1 << ar->num_rf_chains) - 1;
>> +     ar->supp_rx_chainmask = (1 << ar->num_rf_chains) - 1;
>
> Are there are no chips that support a different number
> of tx and rx chains?

I don't think current firmware interface is capable of advertising
that to the host so I'm guessing there are none yet.


Michał