openwrt/target/linux/bcm27xx/patches-6.1/950-0915-dmaengine-bcm2835-Rename-to_bcm2711_cbaddr-to-to_40b.patch

From cfad3f71fc450639fc259d576d0903e9132fe34a Mon Sep 17 00:00:00 2001
From: Dom Cobley <popcornmix@gmail.com>
Date: Thu, 25 May 2023 14:48:28 +0100
Subject: [PATCH] dmaengine: bcm2835: Rename to_bcm2711_cbaddr to
 to_40bit_cbaddr

As the shifted address also applies to bcm2712,
give the function a more specific name.

Signed-off-by: Dom Cobley <popcornmix@gmail.com>
---
 drivers/dma/bcm2835-dma.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

--- a/drivers/dma/bcm2835-dma.c
+++ b/drivers/dma/bcm2835-dma.c
@@ -390,7 +390,7 @@ static inline uint32_t to_bcm2711_dsti(u
 	       BCM2711_DMA40_BURST_LEN(BCM2835_DMA_GET_BURST_LENGTH(info));
 }
 
-static inline uint32_t to_bcm2711_cbaddr(dma_addr_t addr)
+static inline uint32_t to_40bit_cbaddr(dma_addr_t addr)
 {
 	BUG_ON(addr & 0x1f);
 	return (addr >> 5);
@@ -573,9 +573,9 @@ static struct bcm2835_desc *bcm2835_dma_
 		if (frame && c->is_40bit_channel)
 			((struct bcm2711_dma40_scb *)
 			 d->cb_list[frame - 1].cb)->next_cb =
-				to_bcm2711_cbaddr(cb_entry->paddr);
+				to_40bit_cbaddr(cb_entry->paddr);
 		if (frame && !c->is_40bit_channel)
-			d->cb_list[frame - 1].cb->next = to_bcm2711_cbaddr(cb_entry->paddr);
+			d->cb_list[frame - 1].cb->next = to_40bit_cbaddr(cb_entry->paddr);
 
 		/* update src and dst and length */
 		if (src && (info & BCM2835_DMA_S_INC)) {
@@ -755,14 +755,14 @@ static void bcm2835_dma_start_desc(struc
 	c->desc = d = to_bcm2835_dma_desc(&vd->tx);
 
 	if (c->is_40bit_channel) {
-		writel(to_bcm2711_cbaddr(d->cb_list[0].paddr),
+		writel(to_40bit_cbaddr(d->cb_list[0].paddr),
 		       c->chan_base + BCM2711_DMA40_CB);
 		writel(BCM2711_DMA40_ACTIVE | BCM2711_DMA40_PROT | BCM2711_DMA40_CS_FLAGS(c->dreq),
 		       c->chan_base + BCM2711_DMA40_CS);
 	} else {
 		writel(BIT(31), c->chan_base + BCM2835_DMA_CS);
 
-		writel(to_bcm2711_cbaddr(d->cb_list[0].paddr),
+		writel(to_40bit_cbaddr(d->cb_list[0].paddr),
 		       c->chan_base + BCM2835_DMA_ADDR);
 		writel(BCM2835_DMA_ACTIVE | BCM2835_DMA_CS_FLAGS(c->dreq),
 		       c->chan_base + BCM2835_DMA_CS);
@@ -1130,9 +1130,9 @@ static struct dma_async_tx_descriptor *b
 	if (c->is_40bit_channel)
 		((struct bcm2711_dma40_scb *)
 		 d->cb_list[frames - 1].cb)->next_cb =
-			to_bcm2711_cbaddr(d->cb_list[0].paddr);
+			to_40bit_cbaddr(d->cb_list[0].paddr);
 	else
-		d->cb_list[d->frames - 1].cb->next = to_bcm2711_cbaddr(d->cb_list[0].paddr);
+		d->cb_list[d->frames - 1].cb->next = to_40bit_cbaddr(d->cb_list[0].paddr);
 
 	return vchan_tx_prep(&c->vc, &d->vd, flags);
 }
@@ -1252,7 +1252,7 @@ void bcm2711_dma40_memcpy(dma_addr_t dst
 	scb->len = size;
 	scb->next_cb = 0;
 
-	writel(to_bcm2711_cbaddr(memcpy_scb_dma), memcpy_chan + BCM2711_DMA40_CB);
+	writel(to_40bit_cbaddr(memcpy_scb_dma), memcpy_chan + BCM2711_DMA40_CB);
 	writel(BCM2711_DMA40_MEMCPY_FLAGS | BCM2711_DMA40_ACTIVE | BCM2711_DMA40_PROT,
 	       memcpy_chan + BCM2711_DMA40_CS);