ce59f6072bb0faaa3e614b135d266f65262f1b91
[openwrt/staging/pepe2k.git] /
1 From cfad3f71fc450639fc259d576d0903e9132fe34a Mon Sep 17 00:00:00 2001
2 From: Dom Cobley <popcornmix@gmail.com>
3 Date: Thu, 25 May 2023 14:48:28 +0100
4 Subject: [PATCH] dmaengine: bcm2835: Rename to_bcm2711_cbaddr to
5 to_40bit_cbaddr
6
7 As the shifted address also applies to bcm2712,
8 give the function a more specific name.
9
10 Signed-off-by: Dom Cobley <popcornmix@gmail.com>
11 ---
12 drivers/dma/bcm2835-dma.c | 16 ++++++++--------
13 1 file changed, 8 insertions(+), 8 deletions(-)
14
15 --- a/drivers/dma/bcm2835-dma.c
16 +++ b/drivers/dma/bcm2835-dma.c
17 @@ -390,7 +390,7 @@ static inline uint32_t to_bcm2711_dsti(u
18 BCM2711_DMA40_BURST_LEN(BCM2835_DMA_GET_BURST_LENGTH(info));
19 }
20
21 -static inline uint32_t to_bcm2711_cbaddr(dma_addr_t addr)
22 +static inline uint32_t to_40bit_cbaddr(dma_addr_t addr)
23 {
24 BUG_ON(addr & 0x1f);
25 return (addr >> 5);
26 @@ -573,9 +573,9 @@ static struct bcm2835_desc *bcm2835_dma_
27 if (frame && c->is_40bit_channel)
28 ((struct bcm2711_dma40_scb *)
29 d->cb_list[frame - 1].cb)->next_cb =
30 - to_bcm2711_cbaddr(cb_entry->paddr);
31 + to_40bit_cbaddr(cb_entry->paddr);
32 if (frame && !c->is_40bit_channel)
33 - d->cb_list[frame - 1].cb->next = to_bcm2711_cbaddr(cb_entry->paddr);
34 + d->cb_list[frame - 1].cb->next = to_40bit_cbaddr(cb_entry->paddr);
35
36 /* update src and dst and length */
37 if (src && (info & BCM2835_DMA_S_INC)) {
38 @@ -755,14 +755,14 @@ static void bcm2835_dma_start_desc(struc
39 c->desc = d = to_bcm2835_dma_desc(&vd->tx);
40
41 if (c->is_40bit_channel) {
42 - writel(to_bcm2711_cbaddr(d->cb_list[0].paddr),
43 + writel(to_40bit_cbaddr(d->cb_list[0].paddr),
44 c->chan_base + BCM2711_DMA40_CB);
45 writel(BCM2711_DMA40_ACTIVE | BCM2711_DMA40_PROT | BCM2711_DMA40_CS_FLAGS(c->dreq),
46 c->chan_base + BCM2711_DMA40_CS);
47 } else {
48 writel(BIT(31), c->chan_base + BCM2835_DMA_CS);
49
50 - writel(to_bcm2711_cbaddr(d->cb_list[0].paddr),
51 + writel(to_40bit_cbaddr(d->cb_list[0].paddr),
52 c->chan_base + BCM2835_DMA_ADDR);
53 writel(BCM2835_DMA_ACTIVE | BCM2835_DMA_CS_FLAGS(c->dreq),
54 c->chan_base + BCM2835_DMA_CS);
55 @@ -1130,9 +1130,9 @@ static struct dma_async_tx_descriptor *b
56 if (c->is_40bit_channel)
57 ((struct bcm2711_dma40_scb *)
58 d->cb_list[frames - 1].cb)->next_cb =
59 - to_bcm2711_cbaddr(d->cb_list[0].paddr);
60 + to_40bit_cbaddr(d->cb_list[0].paddr);
61 else
62 - d->cb_list[d->frames - 1].cb->next = to_bcm2711_cbaddr(d->cb_list[0].paddr);
63 + d->cb_list[d->frames - 1].cb->next = to_40bit_cbaddr(d->cb_list[0].paddr);
64
65 return vchan_tx_prep(&c->vc, &d->vd, flags);
66 }
67 @@ -1252,7 +1252,7 @@ void bcm2711_dma40_memcpy(dma_addr_t dst
68 scb->len = size;
69 scb->next_cb = 0;
70
71 - writel(to_bcm2711_cbaddr(memcpy_scb_dma), memcpy_chan + BCM2711_DMA40_CB);
72 + writel(to_40bit_cbaddr(memcpy_scb_dma), memcpy_chan + BCM2711_DMA40_CB);
73 writel(BCM2711_DMA40_MEMCPY_FLAGS | BCM2711_DMA40_ACTIVE | BCM2711_DMA40_PROT,
74 memcpy_chan + BCM2711_DMA40_CS);
75