# Re: \[PATCH\] wireless: Remove unnessary write over of register 11 in rt2800lib.c

- From: nick \<hidden\>
- Date: 2014-09-28 12:24:53 
- List: netdev
- Page: https://ratatoskr.run/netdev/2014/09/10966415

```text


On 14-09-28 04:05 AM, Denis Kirjanov wrote:
> Or someone with the hardware has to test and check that...
> 
> On 9/28/14, Stanislaw Gruszka [ref] wrote:
>> On Sat, Sep 27, 2014 at 05:11:41PM -0400, Nicholas Krause wrote:
>>> This removes the unnecessary  overwrite of register 11 in the function,
>>> rt2800_config_channel as we are already writing a correct value to the
>>> register with rt2800_rfcsr_write(rt2x00dev,11.rfcsr).
>> What make you sure that overwrite is unnecessary ?
>>
>>>
>>> Signed-off-by: Nicholas Krause <redacted>
>>> ---
>>>  drivers/net/wireless/rt2x00/rt2800lib.c | 2 --
>>>  1 file changed, 2 deletions(-)
>>>
>>> diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c
>>> b/drivers/net/wireless/rt2x00/rt2800lib.c
>>> index 893c9d5..fb0ae38 100644
>>> --- a/drivers/net/wireless/rt2x00/rt2800lib.c
>>> +++ b/drivers/net/wireless/rt2x00/rt2800lib.c
>>> @@ -2787,8 +2787,6 @@ static void rt2800_config_channel_rf55xx(struct
>>> rt2x00_dev *rt2x00dev,
>>>
>>>  	if (rf->channel <= 14) {
>>>  		rt2800_rfcsr_write(rt2x00dev, 10, 0x90);
>>> -		/* FIXME: RF11 owerwrite ? */
>>> -		rt2800_rfcsr_write(rt2x00dev, 11, 0x4A);
>> We need a prove that remove is correct, i.e. some reference to
>> vendor code or spec that current writing register twice with
>> different values is wrong.
>>
>> NACK for the patch.
>>
>> Stanislaw
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I will see if I can either find the vendor code or spec in order to do this correctly. Thanks for the reply
through.
Nick 
```