Commit d6500cf3 authored by Stanislaw Gruszka's avatar Stanislaw Gruszka Committed by Felix Fietkau
Browse files

mt76x0: add quirk to disable 2.4GHz band for Archer T1U 



TP-LINK Archer T1U do not support 2.4GHz band despite EEPROM
reports that. Add quirk to mask out 2.4GHz support.

Reported-by: default avatarSid Hayn <sidhayn@gmail.com>
Signed-off-by: default avatarStanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 606f8e34

drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c

+5 −0
Original line number Diff line number Diff line
@@ -62,6 +62,11 @@ static void mt76x0_set_chip_cap(struct mt76x0_dev *dev) 
	dev_dbg(dev->mt76.dev, "2GHz %d 5GHz %d\n",

		dev->mt76.cap.has_2ghz, dev->mt76.cap.has_5ghz);



	if (dev->no_2ghz) {

		dev->mt76.cap.has_2ghz = false;

		dev_dbg(dev->mt76.dev, "mask out 2GHz support\n");

	}



	if (!mt76x02_field_valid(nic_conf1 & 0xff))

		nic_conf1 &= 0xff00;

drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h

+2 −0
Original line number Diff line number Diff line
@@ -108,6 +108,8 @@ struct mt76x0_dev { 
	u8 agc_save;

	u16 chainmask;



	bool no_2ghz;



	struct mac_stats stats;

};

drivers/net/wireless/mediatek/mt76/mt76x0/usb.c

+6 −1
Original line number Diff line number Diff line
@@ -45,7 +45,8 @@ static struct usb_device_id mt76x0_device_table[] = { 
	{ USB_DEVICE(0x20f4, 0x806b) },	/* TRENDnet TEW-806UBH  */

	{ USB_DEVICE(0x7392, 0xc711) }, /* Devolo Wifi ac Stick */

	{ USB_DEVICE(0x0df6, 0x0079) }, /* Sitecom Europe B.V. ac  Stick */

	{ USB_DEVICE(0x2357, 0x0105) }, /* TP-LINK Archer T1U */

	{ USB_DEVICE(0x2357, 0x0105),

	  .driver_info = 1,	     }, /* TP-LINK Archer T1U */

	{ USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7630, 0xff, 0x2, 0xff)}, /* MT7630U */

	{ USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7650, 0xff, 0x2, 0xff)}, /* MT7650U */

	{ 0, }
@@ -222,6 +223,10 @@ static int mt76x0u_probe(struct usb_interface *usb_intf, 
	if (!dev)

		return -ENOMEM;



	/* Quirk for Archer T1U */

	if (id->driver_info)

		dev->no_2ghz = true;



	usb_dev = usb_get_dev(usb_dev);

	usb_reset_device(usb_dev);

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