bcm27xx: remove linux 5.10 compatibility

[openwrt/staging/chunkeey.git] / target / linux / bcm27xx / patches-5.10 / 950-0428-bcm2835-dma-Add-bcm2835-dma-Add-DMA_WIDE_SOURCE-and-.patch

diff --git a/target/linux/bcm27xx/patches-5.10/950-0428-bcm2835-dma-Add-bcm2835-dma-Add-DMA_WIDE_SOURCE-and-.patch b/target/linux/bcm27xx/patches-5.10/950-0428-bcm2835-dma-Add-bcm2835-dma-Add-DMA_WIDE_SOURCE-and-.patch
deleted file mode 100644 (file)
index c7ea30c..0000000
--- a/target/linux/bcm27xx/patches-5.10/950-0428-bcm2835-dma-Add-bcm2835-dma-Add-DMA_WIDE_SOURCE-and-.patch
+++ /dev/null
@@ -1,64 +0,0 @@
-From 7ab9c31d27699755870da3bae07b4a0f167b4284 Mon Sep 17 00:00:00 2001
-From: Dom Cobley <popcornmix@gmail.com>
-Date: Wed, 30 Dec 2020 14:51:29 +0000
-Subject: [PATCH] bcm2835-dma: Add bcm2835-dma: Add DMA_WIDE_SOURCE and
- DMA_WIDE_DEST flags
-
-Use (reserved) bits 24 and 25 of the dreq value
-(the second cell of the DT DMA descriptor) to request
-that wide source reads or wide dest writes are required
-
-Signed-off-by: Dom Cobley <popcornmix@gmail.com>
----
- drivers/dma/bcm2835-dma.c | 19 ++++++++++++++++---
- 1 file changed, 16 insertions(+), 3 deletions(-)
-
---- a/drivers/dma/bcm2835-dma.c
-+++ b/drivers/dma/bcm2835-dma.c
-@@ -171,6 +171,17 @@ struct bcm2835_desc {
- #define WAIT_RESP(x) ((x & BCM2835_DMA_NO_WAIT_RESP) ? \
-                     0 : BCM2835_DMA_WAIT_RESP)
- 
-+/* A fake bit to request that the driver requires wide reads */
-+#define BCM2835_DMA_WIDE_SOURCE BIT(24)
-+#define WIDE_SOURCE(x) ((x & BCM2835_DMA_WIDE_SOURCE) ? \
-+                    BCM2835_DMA_S_WIDTH : 0)
-+
-+/* A fake bit to request that the driver requires wide writes */
-+#define BCM2835_DMA_WIDE_DEST BIT(25)
-+#define WIDE_DEST(x) ((x & BCM2835_DMA_WIDE_DEST) ? \
-+                    BCM2835_DMA_D_WIDTH : 0)
-+
-+
- /* debug register bits */
- #define BCM2835_DMA_DEBUG_LAST_NOT_SET_ERR    BIT(0)
- #define BCM2835_DMA_DEBUG_FIFO_ERR            BIT(1)
-@@ -850,7 +861,8 @@ static struct dma_async_tx_descriptor *b
- {
-       struct bcm2835_chan *c = to_bcm2835_dma_chan(chan);
-       struct bcm2835_desc *d;
--      u32 info = BCM2835_DMA_D_INC | BCM2835_DMA_S_INC;
-+      u32 info = BCM2835_DMA_D_INC | BCM2835_DMA_S_INC |
-+                 WIDE_SOURCE(c->dreq) | WIDE_DEST(c->dreq);
-       u32 extra = BCM2835_DMA_INT_EN | WAIT_RESP(c->dreq);
-       size_t max_len = bcm2835_dma_max_frame_length(c);
-       size_t frames;
-@@ -881,7 +893,8 @@ static struct dma_async_tx_descriptor *b
-       struct bcm2835_chan *c = to_bcm2835_dma_chan(chan);
-       struct bcm2835_desc *d;
-       dma_addr_t src = 0, dst = 0;
--      u32 info = WAIT_RESP(c->dreq);
-+      u32 info = WAIT_RESP(c->dreq) |
-+                 WIDE_SOURCE(c->dreq) | WIDE_DEST(c->dreq);
-       u32 extra = BCM2835_DMA_INT_EN;
-       size_t frames;
- 
-@@ -943,7 +956,7 @@ static struct dma_async_tx_descriptor *b
-       struct bcm2835_chan *c = to_bcm2835_dma_chan(chan);
-       struct bcm2835_desc *d;
-       dma_addr_t src, dst;
--      u32 info = WAIT_RESP(c->dreq);
-+      u32 info = WAIT_RESP(c->dreq) | WIDE_SOURCE(c->dreq) | WIDE_DEST(c->dreq);
-       u32 extra = 0;
-       size_t max_len = bcm2835_dma_max_frame_length(c);
-       size_t frames;