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authorLorenzo Bianconi <lorenzo.bianconi@redhat.com>2018-05-10 16:06:09 +0200
committerKalle Valo <kvalo@codeaurora.org>2018-05-12 11:54:02 +0300
commit6823dc0d91e5d238ca14a252228a5121d41eb517 (patch)
tree5610f86875fad733526305dca66d7a271241370e /drivers/net/wireless
parentwireless-drivers: Dynamically allocate struct station_info (diff)
downloadlinux-dev-6823dc0d91e5d238ca14a252228a5121d41eb517.tar.xz
linux-dev-6823dc0d91e5d238ca14a252228a5121d41eb517.zip
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>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76x2_init.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
index d21e4a7c1bb9..dd4c1127797e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c
@@ -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;