ath9k_hw: clean up ath9k_hw_setuprxdesc

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>

1 files changed, 1 insertions, 4 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
index 7b6417b5212e..aa2abaf31cba 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
@@ -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);