1 files changed, 0 insertions, 77 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0924-bcm2835-dma-Advertise-the-full-DMA-range.patch b/target/linux/bcm27xx/patches-5.4/950-0924-bcm2835-dma-Advertise-the-full-DMA-range.patch
deleted file mode 100644
index 33c740ffef..0000000000
--- a/target/linux/bcm27xx/patches-5.4/950-0924-bcm2835-dma-Advertise-the-full-DMA-range.patch
+++ /dev/null
@@ -1,77 +0,0 @@
-From bf7baee1935c4d485083c3b3c439631ae4ac3c0f Mon Sep 17 00:00:00 2001
-From: Phil Elwell <phil@raspberrypi.com>
-Date: Wed, 22 Jul 2020 17:59:31 +0100
-Subject: [PATCH] bcm2835-dma: Advertise the full DMA range
-
-Unless the DMA mask is set wider than 32 bits, DMA mapping will use a
-bounce buffer.
-
-Signed-off-by: Phil Elwell <phil@raspberrypi.com>
----
- drivers/dma/bcm2835-dma.c | 18 +++++++++++++++---
- 1 file changed, 15 insertions(+), 3 deletions(-)
-
---- a/drivers/dma/bcm2835-dma.c
-+++ b/drivers/dma/bcm2835-dma.c
-@@ -41,6 +41,7 @@
- #define BCM2711_DMA_MEMCPY_CHAN 14
- 
- struct bcm2835_dma_cfg_data {
-+	u64	dma_mask;
- 	u32	chan_40bit_mask;
- };
- 
-@@ -302,10 +303,12 @@ DEFINE_SPINLOCK(memcpy_lock);
- 
- static const struct bcm2835_dma_cfg_data bcm2835_dma_cfg = {
- 	.chan_40bit_mask = 0,
-+	.dma_mask = DMA_BIT_MASK(32),
- };
- 
- static const struct bcm2835_dma_cfg_data bcm2711_dma_cfg = {
- 	.chan_40bit_mask = BIT(11) | BIT(12) | BIT(13) | BIT(14),
-+	.dma_mask = DMA_BIT_MASK(36),
- };
- 
- static inline size_t bcm2835_dma_max_frame_length(struct bcm2835_chan *c)
-@@ -1185,6 +1188,8 @@ static struct dma_chan *bcm2835_dma_xlat
- 
- static int bcm2835_dma_probe(struct platform_device *pdev)
- {
-+	const struct bcm2835_dma_cfg_data *cfg_data;
-+	const struct of_device_id *of_id;
- 	struct bcm2835_dmadev *od;
- 	struct resource *res;
- 	void __iomem *base;
-@@ -1194,13 +1199,20 @@ static int bcm2835_dma_probe(struct plat
- 	int irq_flags;
- 	uint32_t chans_available;
- 	char chan_name[BCM2835_DMA_CHAN_NAME_SIZE];
--	const struct of_device_id *of_id;
- 	int chan_count, chan_start, chan_end;
- 
-+	of_id = of_match_node(bcm2835_dma_of_match, pdev->dev.of_node);
-+	if (!of_id) {
-+		dev_err(&pdev->dev, "Failed to match compatible string\n");
-+		return -EINVAL;
-+	}
-+
-+	cfg_data = of_id->data;
-+
- 	if (!pdev->dev.dma_mask)
- 		pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
- 
--	rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
-+	rc = dma_set_mask_and_coherent(&pdev->dev, cfg_data->dma_mask);
- 	if (rc) {
- 		dev_err(&pdev->dev, "Unable to set DMA mask\n");
- 		return rc;
-@@ -1266,7 +1278,7 @@ static int bcm2835_dma_probe(struct plat
- 		return -EINVAL;
- 	}
- 
--	od->cfg_data = of_id->data;
-+	od->cfg_data = cfg_data;
- 
- 	/* Request DMA channel mask from device tree */
- 	if (of_property_read_u32(pdev->dev.of_node,