On 13.12.2010, at 12:12, Rajkumar Manoharan <rmanoharan@xxxxxxxxxxx> wrote:
> On Sun, Dec 12, 2010 at 05:21:07AM +0530, Felix Fietkau wrote:
>> Newer chips do not need this, and maybe these register writes could have
>> negative side effects on newer hardware.
>>
>> Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
>> ---
>> drivers/net/wireless/ath/ath9k/hw.c | 6 +-----
>> 1 files changed, 1 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
>> index 516227f..7bc6d22 100644
>> --- a/drivers/net/wireless/ath/ath9k/hw.c
>> +++ b/drivers/net/wireless/ath/ath9k/hw.c
>> @@ -284,11 +284,9 @@ static void ath9k_hw_read_revisions(struct ath_hw *ah)
>>
>> static void ath9k_hw_disablepcie(struct ath_hw *ah)
>> {
>> - if (AR_SREV_9100(ah))
>> + if (!AR_SREV_5416(ah))
>> return;
>>
>> - ENABLE_REGWRITE_BUFFER(ah);
>
> Why to disable multiple register write?
Because it is only relevant for USB based devices.
- Felix--
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