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mt76x2: add a polling delay in mt76x2_mac_stop routine 

Add a usleep_range in mt76x2_mac_stop routine in order to add
a polling delay checking values of MT_MAC_STATUS and IBI_R12 registers

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Acked-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Lorenzo Bianconi 2018-05-10 16:06:09 +02:00 committed by Kalle Valo
parent 41bd3d585d
commit 6823dc0d91
1 changed files with 5 additions and 5 deletions
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10
drivers/net/wireless/mediatek/mt76/mt76x2_init.c
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@ -370,12 +370,12 @@ void mt76x2_mac_stop(struct mt76x2_dev *dev, bool force)
/* Wait for MAC to become idle */
for (i = 0; i < 300; i++) {
if (mt76_rr(dev, MT_MAC_STATUS) &
(MT_MAC_STATUS_RX | MT_MAC_STATUS_TX))
continue;
if (mt76_rr(dev, MT_BBP(IBI, 12)))
if ((mt76_rr(dev, MT_MAC_STATUS) &
(MT_MAC_STATUS_RX | MT_MAC_STATUS_TX)) ||
mt76_rr(dev, MT_BBP(IBI, 12))) {
usleep_range(10, 20);
continue;
}
stopped = true;
break;