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Re: [PATCH] ath5k: fixing retries in ath5k_hw_setup_4word_tx_desc

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On Mon, Mar 1, 2010 at 10:30 AM, Andrew Blaich <ablaich@xxxxxxxxx> wrote:
> This Patch:
>
> The rate control algorithm, default is Minstrel for ath5k, determines
> the number of retries to use for each rate.  However, there exists in
> ath5k_hw_setup_4word_tx_desc (which is called for AR5212 like devices)
> a set number of retries defined by AR5K_TUNE_HWTXTRIES.  The set
> number of tries is added to the tx_tries0 variable setup by the rate
> control algorithm.  This changes the number of retries the rate
> control algorithm considers necessary.  By removing the
> AR5K_TUNE_HWTXTRIES from the retry calculation the rate control
> algorithm is given control over the number of retries.
>
>
> Signed-off-by:: Andrew Blaich <ablaich@xxxxxxxxx>
> ---
> diff --git a/drivers/net/wireless/ath/ath5k/desc.c
> b/drivers/net/wireless/ath/ath5k/desc.c
> index dc30a2b..c18d8d4 100644
> --- a/drivers/net/wireless/ath/ath5k/desc.c
> +++ b/drivers/net/wireless/ath/ath5k/desc.c
> @@ -229,7 +229,7 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah,
>                AR5K_REG_SM(antenna_mode, AR5K_4W_TX_DESC_CTL0_ANT_MODE_XMIT);
>        tx_ctl->tx_control_1 |= AR5K_REG_SM(type,
>                                        AR5K_4W_TX_DESC_CTL1_FRAME_TYPE);
> -       tx_ctl->tx_control_2 = AR5K_REG_SM(tx_tries0 + AR5K_TUNE_HWTXTRIES,
> +       tx_ctl->tx_control_2 = AR5K_REG_SM(tx_tries0,

Thanks!

-- 
Bob Copeland %% www.bobcopeland.com
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