On 2010-09-21 7:54 AM, Vasanthakumar Thiagarajan wrote:
> Signed-off-by: Vasanthakumar Thiagarajan <vasanth@xxxxxxxxxxx>
> ---
> drivers/net/wireless/ath/ath9k/hw.h | 1 +
> drivers/net/wireless/ath/ath9k/main.c | 18 +++++++++++++++++-
> 2 files changed, 18 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
> index df47f79..c1b4962 100644
> --- a/drivers/net/wireless/ath/ath9k/hw.h
> +++ b/drivers/net/wireless/ath/ath9k/hw.h
> @@ -645,6 +645,7 @@ struct ath_hw {
> struct ath9k_hw_capabilities caps;
> struct ath9k_channel channels[38];
> struct ath9k_channel *curchan;
> + struct ath9k_channel prev_paprd_chan;
>
> union {
> struct ar5416_eeprom_def def;
> diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
> index a133878..9150788 100644
> --- a/drivers/net/wireless/ath/ath9k/main.c
> +++ b/drivers/net/wireless/ath/ath9k/main.c
> @@ -266,6 +266,20 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
> return r;
> }
>
> +static bool is_paprd_done(struct ath_hw *ah)
> +{
> + struct ath9k_channel *curchan, *paprd_chan;
> +
> + curchan = ah->curchan;
> + paprd_chan = &ah->prev_paprd_chan;
> +
> + if ((paprd_chan->channel == curchan->channel) &&
> + paprd_chan->chanmode == curchan->chanmode)
> + return true;
> +
> + return false;
> +}
That seems like code duplication to me. The caldata already has the
channel number and the channel flags. ath9k_hw_reset() clears the entire
caldata whenever that changes. Because of that, ah->caldata->paprd_done
should have already been set to zero automatically after the reset
triggered by an operating channel change.
Is that part not working, or why did you write this patch?
Either way, we should not have a separate check just for paprd, it
belongs to the other calibrations.
- Felix
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