From d908d4ec4dd182dc2e766a4d2129e6b3c274953d Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Sat, 23 Mar 2019 15:24:56 +0100
Subject: [PATCH] mt76: use readl/writel instead of ioread32/iowrite32

Switching to readl/writel is faster because it gets rid of an unnecessary
wrapper with extra checks.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 drivers/net/wireless/mediatek/mt76/dma.c      | 22 +++++++++----------
 drivers/net/wireless/mediatek/mt76/mmio.c     |  4 ++--
 .../net/wireless/mediatek/mt76/mt7603/mac.c   |  4 ++--
 .../net/wireless/mediatek/mt76/mt76x02_mmio.c |  2 +-
 4 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index 7b8a998103d729..cdeca22bf3a723 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -49,10 +49,10 @@ mt76_dma_alloc_queue(struct mt76_dev *dev, struct mt76_queue *q,
 	for (i = 0; i < q->ndesc; i++)
 		q->desc[i].ctrl = cpu_to_le32(MT_DMA_CTL_DMA_DONE);
 
-	iowrite32(q->desc_dma, &q->regs->desc_base);
-	iowrite32(0, &q->regs->cpu_idx);
-	iowrite32(0, &q->regs->dma_idx);
-	iowrite32(q->ndesc, &q->regs->ring_size);
+	writel(q->desc_dma, &q->regs->desc_base);
+	writel(0, &q->regs->cpu_idx);
+	writel(0, &q->regs->dma_idx);
+	writel(q->ndesc, &q->regs->ring_size);
 
 	return 0;
 }
@@ -136,11 +136,11 @@ mt76_dma_tx_cleanup_idx(struct mt76_dev *dev, struct mt76_queue *q, int idx,
 static void
 mt76_dma_sync_idx(struct mt76_dev *dev, struct mt76_queue *q)
 {
-	iowrite32(q->desc_dma, &q->regs->desc_base);
-	iowrite32(q->ndesc, &q->regs->ring_size);
-	q->head = ioread32(&q->regs->dma_idx);
+	writel(q->desc_dma, &q->regs->desc_base);
+	writel(q->ndesc, &q->regs->ring_size);
+	q->head = readl(&q->regs->dma_idx);
 	q->tail = q->head;
-	iowrite32(q->head, &q->regs->cpu_idx);
+	writel(q->head, &q->regs->cpu_idx);
 }
 
 static void
@@ -159,7 +159,7 @@ mt76_dma_tx_cleanup(struct mt76_dev *dev, enum mt76_txq_id qid, bool flush)
 	if (flush)
 		last = -1;
 	else
-		last = ioread32(&q->regs->dma_idx);
+		last = readl(&q->regs->dma_idx);
 
 	while (q->queued && q->tail != last) {
 		mt76_dma_tx_cleanup_idx(dev, q, q->tail, &entry);
@@ -181,7 +181,7 @@ mt76_dma_tx_cleanup(struct mt76_dev *dev, enum mt76_txq_id qid, bool flush)
 		}
 
 		if (!flush && q->tail == last)
-			last = ioread32(&q->regs->dma_idx);
+			last = readl(&q->regs->dma_idx);
 	}
 
 	if (!flush)
@@ -251,7 +251,7 @@ mt76_dma_dequeue(struct mt76_dev *dev, struct mt76_queue *q, bool flush,
 static void
 mt76_dma_kick_queue(struct mt76_dev *dev, struct mt76_queue *q)
 {
-	iowrite32(q->head, &q->regs->cpu_idx);
+	writel(q->head, &q->regs->cpu_idx);
 }
 
 static int
diff --git a/drivers/net/wireless/mediatek/mt76/mmio.c b/drivers/net/wireless/mediatek/mt76/mmio.c
index 059f13bf9dff95..38368d19aa6f01 100644
--- a/drivers/net/wireless/mediatek/mt76/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mmio.c
@@ -21,7 +21,7 @@ static u32 mt76_mmio_rr(struct mt76_dev *dev, u32 offset)
 {
 	u32 val;
 
-	val = ioread32(dev->mmio.regs + offset);
+	val = readl(dev->mmio.regs + offset);
 	trace_reg_rr(dev, offset, val);
 
 	return val;
@@ -30,7 +30,7 @@ static u32 mt76_mmio_rr(struct mt76_dev *dev, u32 offset)
 static void mt76_mmio_wr(struct mt76_dev *dev, u32 offset, u32 val)
 {
 	trace_reg_wr(dev, offset, val);
-	iowrite32(val, dev->mmio.regs + offset);
+	writel(val, dev->mmio.regs + offset);
 }
 
 static u32 mt76_mmio_rmw(struct mt76_dev *dev, u32 offset, u32 mask, u32 val)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
index b0aa176cc56f5d..2d090dacb7880c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
@@ -1392,11 +1392,11 @@ static bool mt7603_tx_hang(struct mt7603_dev *dev)
 			continue;
 
 		prev_dma_idx = dev->tx_dma_idx[i];
-		dma_idx = ioread32(&q->regs->dma_idx);
+		dma_idx = readl(&q->regs->dma_idx);
 		dev->tx_dma_idx[i] = dma_idx;
 
 		if (dma_idx == prev_dma_idx &&
-		    dma_idx != ioread32(&q->regs->cpu_idx))
+		    dma_idx != readl(&q->regs->cpu_idx))
 			break;
 	}
 
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c
index ca8320711bc211..705c0939d10be4 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c
@@ -349,7 +349,7 @@ static bool mt76x02_tx_hang(struct mt76x02_dev *dev)
 			continue;
 
 		prev_dma_idx = dev->mt76.tx_dma_idx[i];
-		dma_idx = ioread32(&q->regs->dma_idx);
+		dma_idx = readl(&q->regs->dma_idx);
 		dev->mt76.tx_dma_idx[i] = dma_idx;
 
 		if (prev_dma_idx == dma_idx)
-- 
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