From 338061619185133f56ac17365deb1e75eaecc604 Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Mon, 20 Apr 2020 22:40:55 +0200
Subject: [PATCH] mt76: mt7615: fix mt7615_driver_own routine
Git-commit: 338061619185133f56ac17365deb1e75eaecc604
Patch-mainline: v5.8-rc1
References: jsc#SLE-13430
Introduce MT_PCIE_DOORBELL_PUSH register to fix mt7615_driver_own
routine for mt7663e
Fixes: f40ac0f3d3c0 ("mt76: mt7615: introduce mt7663e support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 6 +++++-
drivers/net/wireless/mediatek/mt76/mt7615/regs.h | 1 +
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index 68d48b7ed06b..c267280dab4e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -1686,16 +1686,20 @@ static void mt7622_trigger_hif_int(struct mt7615_dev *dev, bool en)
static int mt7615_driver_own(struct mt7615_dev *dev)
{
+ struct mt76_dev *mdev = &dev->mt76;
u32 addr;
- addr = is_mt7663(&dev->mt76) ? MT_CONN_HIF_ON_LPCTL : MT_CFG_LPCR_HOST;
+ addr = is_mt7663(mdev) ? MT_PCIE_DOORBELL_PUSH : MT_CFG_LPCR_HOST;
mt76_wr(dev, addr, MT_CFG_LPCR_HOST_DRV_OWN);
mt7622_trigger_hif_int(dev, true);
+
+ addr = is_mt7663(mdev) ? MT_CONN_HIF_ON_LPCTL : MT_CFG_LPCR_HOST;
if (!mt76_poll_msec(dev, addr, MT_CFG_LPCR_HOST_FW_OWN, 0, 3000)) {
dev_err(dev->mt76.dev, "Timeout for driver own\n");
return -EIO;
}
+
mt7622_trigger_hif_int(dev, false);
return 0;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/regs.h b/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
index ab3c6b77df07..054831ecad68 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
@@ -68,6 +68,7 @@ enum mt7615_reg_base {
#define MT_HIF2_BASE 0xf0000
#define MT_HIF2(ofs) (MT_HIF2_BASE + (ofs))
#define MT_PCIE_IRQ_ENABLE MT_HIF2(0x188)
+#define MT_PCIE_DOORBELL_PUSH MT_HIF2(0x1484)
#define MT_CFG_LPCR_HOST MT_HIF(0x1f0)
#define MT_CFG_LPCR_HOST_FW_OWN BIT(0)
--
2.16.4