Commit 5b394355 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Felix Fietkau
Browse files

mt76x0: use mt76_poll in mt76x0_set_wlan_state



Use mt76_poll utility routine in mt76x0_set_wlan_state to check
if the PLL/XTAL is ready

Signed-off-by: default avatarLorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 62e04f8a
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+3 −15
Original line number Diff line number Diff line
@@ -43,7 +43,7 @@ static void mt76x0_vht_cap_mask(struct ieee80211_supported_band *sband)
static void
mt76x0_set_wlan_state(struct mt76x0_dev *dev, u32 val, bool enable)
{
	int i;
	u32 mask = MT_CMB_CTRL_XTAL_RDY | MT_CMB_CTRL_PLL_LD;

	/* Note: we don't turn off WLAN_CLK because that makes the device
	 *	 not respond properly on the probe path.
@@ -60,24 +60,12 @@ mt76x0_set_wlan_state(struct mt76x0_dev *dev, u32 val, bool enable)
	mt76_wr(dev, MT_WLAN_FUN_CTRL, val);
	udelay(20);

	if (!enable)
		return;

	for (i = 200; i; i--) {
		val = mt76_rr(dev, MT_CMB_CTRL);

		if (val & MT_CMB_CTRL_XTAL_RDY && val & MT_CMB_CTRL_PLL_LD)
			break;

		udelay(20);
	}

	/* Note: vendor driver tries to disable/enable wlan here and retry
	 *       but the code which does it is so buggy it must have never
	 *       triggered, so don't bother.
	 */
	if (!i)
		dev_err(dev->mt76.dev, "Error: PLL and XTAL check failed!\n");
	if (enable && !mt76_poll(dev, MT_CMB_CTRL, mask, mask, 2000))
		dev_err(dev->mt76.dev, "PLL and XTAL check failed\n");
}

void mt76x0_chip_onoff(struct mt76x0_dev *dev, bool enable, bool reset)