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- From 50523fe3cfcef4a7728176b11a6e2975243ab74e 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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