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Re: [RFC][PATCH] b43: LP-PHY: always adjust gain table on channel switch

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On 02/05/2010 10:27 AM, Gábor Stefanik wrote:
> On Fri, Feb 5, 2010 at 4:24 AM, Larry Finger <Larry.Finger@xxxxxxxxxxxx> wrote:
>> On 02/04/2010 02:57 PM, Rafał Miłecki wrote:
>>> ---
>>> Gábor: I think you missed specs here. Could you check whole routine just for
>>> sure, please? I don't understand whole radio and chanspec magic yet.
>>> ---
>>>  drivers/net/wireless/b43/phy_lp.c |    2 +-
>>>  1 files changed, 1 insertions(+), 1 deletions(-)
>>>
>>> diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c
>>> index 185219e..61009ee 100644
>>> --- a/drivers/net/wireless/b43/phy_lp.c
>>> +++ b/drivers/net/wireless/b43/phy_lp.c
>>> @@ -2655,8 +2655,8 @@ static int b43_lpphy_op_switch_channel(struct b43_wldev *dev,
>>>               if (err)
>>>                       return err;
>>>               lpphy_set_analog_filter(dev, new_channel);
>>> -             lpphy_adjust_gain_table(dev, channel2freq_lp(new_channel));
>>>       }
>>> +     lpphy_adjust_gain_table(dev, channel2freq_lp(new_channel));
>>>
>>>       lpphy->channel = new_channel;
>>>       b43_write16(dev, B43_MMIO_CHANNEL, new_channel);
>>
>> Both the lpphy_set_analog_filter() and lpphy_adjust_gain_table() calls should be
>> outside the if statement. I changed the spec a little. It used to test "radio
>> enabled", but I have found that is always true for our driver.
>>
>> Larry
>>
>>
> 
> Isn't set_analog_filter() rev0/1-specific?

The new routines are described in

http://bcm-v4.sipsolutions.net/802.11/PHY/LP/TxFilterInit

http://bcm-v4.sipsolutions.net/802.11/PHY/LP/TxDigFiltUcodeRev2

The revised routines are:

http://bcm-v4.sipsolutions.net/802.11/PHY/LP/SetChanSpecLPPHY

http://bcm-v4.sipsolutions.net/802.11/PHY/LP/PR41573

Larry

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