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

Ben Greear greearb at candelatech.com
Thu Sep 18 09:11:49 PDT 2014


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?


Thanks,
Ben


-- 
Ben Greear <greearb at candelatech.com>
Candela Technologies Inc  http://www.candelatech.com




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