1 files changed, 0 insertions, 36 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0024-bcm2835-dma-Limit-cyclic-transfers-on-lite-channels-.patch b/target/linux/brcm2708/patches-4.4/0024-bcm2835-dma-Limit-cyclic-transfers-on-lite-channels-.patch
deleted file mode 100644
index 1e26670010..0000000000
--- a/target/linux/brcm2708/patches-4.4/0024-bcm2835-dma-Limit-cyclic-transfers-on-lite-channels-.patch
+++ /dev/null
@@ -1,36 +0,0 @@
-From f0f4368b3497d129c0c4ca0565f5b6656faed474 Mon Sep 17 00:00:00 2001
-From: Matthias Reichl <hias@horus.com>
-Date: Sun, 11 Oct 2015 12:28:30 +0200
-Subject: [PATCH] bcm2835-dma: Limit cyclic transfers on lite channels to 32k
-
-Transfers larger than 32k cause repeated clicking with I2S soundcards.
-The exact reason is yet unknown, so limit to 32k as bcm2708-dmaengine
-did as an intermediate fix.
----
- drivers/dma/bcm2835-dma.c | 8 +++++++-
- 1 file changed, 7 insertions(+), 1 deletion(-)
-
---- a/drivers/dma/bcm2835-dma.c
-+++ b/drivers/dma/bcm2835-dma.c
-@@ -144,6 +144,12 @@ 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);
-@@ -412,7 +418,7 @@ static struct dma_async_tx_descriptor *b
- 	d->c = c;
- 	d->dir = direction;
- 	if (c->ch >= 8) /* LITE channel */
--		max_size = MAX_LITE_TRANSFER;
-+		max_size = MAX_CYCLIC_LITE_TRANSFER;
- 	else
- 		max_size = MAX_NORMAL_TRANSFER;
- 	period_len = min(period_len, max_size);