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* [PATCH] mt76x0: do not perform MCU calibration for MT7630
@ 2018-10-16  7:58 Stanislaw Gruszka
  2018-10-16  9:16 ` Felix Fietkau
  0 siblings, 1 reply; 2+ messages in thread
From: Stanislaw Gruszka @ 2018-10-16  7:58 UTC (permalink / raw)
  To: Felix Fietkau; +Cc: linux-wireless, Lorenzo Bianconi

Driver works better for MT7630 without MCU calibration, which
looks like it can hangs the firmware. Vendor driver do not
perform it for MT7630 as well.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
---
This is on top of:
https://marc.info/?l=linux-wireless&m=153960591116586&w=2

 drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h | 5 +++++
 drivers/net/wireless/mediatek/mt76/mt76x0/phy.c    | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h b/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h
index 17ad3fa0858b..33475788bc26 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h
@@ -37,6 +37,11 @@ static inline bool is_mt7610e(struct mt76x02_dev *dev)
 	return false;
 }
 
+static inline bool is_mt7630(struct mt76x02_dev *dev)
+{
+	return mt76_chip(&dev->mt76) == 0x7630;
+}
+
 /* Init */
 struct mt76x02_dev *
 mt76x0_alloc_device(struct device *pdev,
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
index dbb92586b6e1..37e1ead1dc85 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c
@@ -500,6 +500,9 @@ void mt76x0_phy_calibrate(struct mt76x02_dev *dev, bool power_on)
 	struct ieee80211_channel *chan = dev->mt76.chandef.chan;
 	u32 val, tx_alc, reg_val;
 
+	if (is_mt7630(dev))
+		return;
+
 	if (power_on) {
 		mt76x02_mcu_calibrate(dev, MCU_CAL_R, 0, false);
 		mt76x02_mcu_calibrate(dev, MCU_CAL_VCO, chan->hw_value,
-- 
1.9.3


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] mt76x0: do not perform MCU calibration for MT7630
  2018-10-16  7:58 [PATCH] mt76x0: do not perform MCU calibration for MT7630 Stanislaw Gruszka
@ 2018-10-16  9:16 ` Felix Fietkau
  0 siblings, 0 replies; 2+ messages in thread
From: Felix Fietkau @ 2018-10-16  9:16 UTC (permalink / raw)
  To: Stanislaw Gruszka; +Cc: linux-wireless, Lorenzo Bianconi

On 2018-10-16 09:58, Stanislaw Gruszka wrote:
> Driver works better for MT7630 without MCU calibration, which
> looks like it can hangs the firmware. Vendor driver do not
> perform it for MT7630 as well.
> 
> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Applied, thanks.

- Felix

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2018-10-16  7:58 [PATCH] mt76x0: do not perform MCU calibration for MT7630 Stanislaw Gruszka
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