Disable HW before probe, otherwise after reboot we will fail
to initialize MCU.
Signed-off-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt76x0/init.c | 2 +-
drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h | 1 +
drivers/net/wireless/mediatek/mt76/mt76x0/usb.c | 4 ++++
3 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/init.c b/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
index b65b76d80906..7cdb3e740522 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
@@ -62,7 +62,7 @@
dev_err(dev->mt76.dev, "Error: PLL and XTAL check failed!\n");
}
-static void mt76x0_chip_onoff(struct mt76x0_dev *dev, bool enable, bool reset)
+void mt76x0_chip_onoff(struct mt76x0_dev *dev, bool enable, bool reset)
{
u32 val;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h b/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h
index 49b82a23533c..9e60fcb14687 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h
@@ -288,6 +288,7 @@ int mt76x0_burst_write_regs(struct mt76x0_dev *dev, u32 offset,
int mt76x0_init_hardware(struct mt76x0_dev *dev);
int mt76x0_register_device(struct mt76x0_dev *dev);
void mt76x0_cleanup(struct mt76x0_dev *dev);
+void mt76x0_chip_onoff(struct mt76x0_dev *dev, bool enable, bool reset);
int mt76x0_mac_start(struct mt76x0_dev *dev);
void mt76x0_mac_stop(struct mt76x0_dev *dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
index 0871fdef59c3..7a635cdcbae0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
@@ -283,6 +283,10 @@ static int mt76x0_probe(struct usb_interface *usb_intf,
ret = mt76x0_assign_pipes(usb_intf, dev);
if (ret)
goto err;
+
+ /* Disable the HW, otherwise MCU fail to initalize on hot reboot */
+ mt76x0_chip_onoff(dev, false, false);
+
ret = mt76x0_wait_asic_ready(dev);
if (ret)
goto err;
--
1.9.3
