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ath9k_hw: clean up ath9k_hw_setuprxdesc

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The ATH9K_HW_CAP_AUTOSLEEP check is bogus, the rx status area needs to be
cleared on all non-EDMA PCI/AHB based chipsets anyway.
Limit the memset to the rx status area to improve performance.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2012-03-14 16:40:27 +01:00 committed by John W. Linville
parent 239c795d6b
commit aebc0a88dd
1 changed files with 1 additions and 4 deletions
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5
drivers/net/wireless/ath/ath9k/ar9002_mac.c
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@ -347,15 +347,12 @@ void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds,
u32 size, u32 flags)
{
struct ar5416_desc *ads = AR5416DESC(ds);
struct ath9k_hw_capabilities *pCap = &ah->caps;
ads->ds_ctl1 = size & AR_BufLen;
if (flags & ATH9K_RXDESC_INTREQ)
ads->ds_ctl1 |= AR_RxIntrReq;
ads->ds_rxstatus8 &= ~AR_RxDone;
if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP))
memset(&(ads->u), 0, sizeof(ads->u));
memset(&ads->u.rx, 0, sizeof(ads->u.rx));
}
EXPORT_SYMBOL(ath9k_hw_setuprxdesc);