blob: d99355d17b0f999d55cca029641d622e6f7a6dd9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
From 31c4d45f25abd0680e05775f3166ec6066e39a2a Mon Sep 17 00:00:00 2001
From: Martin Sperl <kernel@martin.sperl.org>
Date: Fri, 22 Apr 2016 17:17:22 +0000
Subject: [PATCH] Revert "bcm2835-dma: Limit cyclic transfers on lite channels
to 32k"
This reverts commit 052c2005b6ecedc5abad86632f5781adda310aa7.
---
drivers/dma/bcm2835-dma.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
--- a/drivers/dma/bcm2835-dma.c
+++ b/drivers/dma/bcm2835-dma.c
@@ -144,12 +144,6 @@ struct bcm2835_desc {
*/
#define MAX_LITE_TRANSFER (SZ_64K - 4)
-/*
- * Transfers larger than 32k cause issues with the bcm2708-i2s driver,
- * so limit transfer size to 32k as bcm2708-dmaengine did.
- */
-#define MAX_CYCLIC_LITE_TRANSFER SZ_32K
-
static inline struct bcm2835_dmadev *to_bcm2835_dma_dev(struct dma_device *d)
{
return container_of(d, struct bcm2835_dmadev, ddev);
@@ -418,7 +412,7 @@ static struct dma_async_tx_descriptor *b
d->c = c;
d->dir = direction;
if (c->ch >= 8) /* LITE channel */
- max_size = MAX_CYCLIC_LITE_TRANSFER;
+ max_size = MAX_LITE_TRANSFER;
else
max_size = MAX_NORMAL_TRANSFER;
period_len = min(period_len, max_size);
|
