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From 6973f7462577fb7bdcf4d04901346462d645fcd7 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);
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