bcm27xx: remove linux 5.10 compatibility

[openwrt/staging/chunkeey.git] / target / linux / bcm27xx / patches-5.10 / 950-0283-bcm2835-dma-Add-NO_WAIT_RESP-flag.patch

diff --git a/target/linux/bcm27xx/patches-5.10/950-0283-bcm2835-dma-Add-NO_WAIT_RESP-flag.patch b/target/linux/bcm27xx/patches-5.10/950-0283-bcm2835-dma-Add-NO_WAIT_RESP-flag.patch
deleted file mode 100644 (file)
index 43a7bd9..0000000
--- a/target/linux/bcm27xx/patches-5.10/950-0283-bcm2835-dma-Add-NO_WAIT_RESP-flag.patch
+++ /dev/null
@@ -1,54 +0,0 @@
-From 33528413733fa956913cfe139dcd3ddd550839e4 Mon Sep 17 00:00:00 2001
-From: Phil Elwell <phil@raspberrypi.com>
-Date: Wed, 1 Jul 2020 20:28:27 +0100
-Subject: [PATCH] bcm2835-dma: Add NO_WAIT_RESP flag
-
-Use bit 27 of the dreq value (the second cell of the DT DMA descriptor)
-to request that the WAIT_RESP bit is not set.
-
-Signed-off-by: Phil Elwell <phil@raspberrypi.com>
----
- drivers/dma/bcm2835-dma.c | 11 ++++++++---
- 1 file changed, 8 insertions(+), 3 deletions(-)
-
---- a/drivers/dma/bcm2835-dma.c
-+++ b/drivers/dma/bcm2835-dma.c
-@@ -165,6 +165,11 @@ struct bcm2835_desc {
- #define BCM2835_DMA_WAIT(x)   ((x & 31) << 21) /* add DMA-wait cycles */
- #define BCM2835_DMA_NO_WIDE_BURSTS BIT(26) /* no 2 beat write bursts */
- 
-+/* A fake bit to request that the driver doesn't set the WAIT_RESP bit. */
-+#define BCM2835_DMA_NO_WAIT_RESP BIT(27)
-+#define WAIT_RESP(x) ((x & BCM2835_DMA_NO_WAIT_RESP) ? \
-+                    0 : BCM2835_DMA_WAIT_RESP)
-+
- /* debug register bits */
- #define BCM2835_DMA_DEBUG_LAST_NOT_SET_ERR    BIT(0)
- #define BCM2835_DMA_DEBUG_FIFO_ERR            BIT(1)
-@@ -843,7 +848,7 @@ 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 extra = BCM2835_DMA_INT_EN | BCM2835_DMA_WAIT_RESP;
-+      u32 extra = BCM2835_DMA_INT_EN | WAIT_RESP(c->dreq);
-       size_t max_len = bcm2835_dma_max_frame_length(c);
-       size_t frames;
- 
-@@ -873,7 +878,7 @@ static struct dma_async_tx_descriptor *b
-       struct bcm2835_chan *c = to_bcm2835_dma_chan(chan);
-       struct bcm2835_desc *d;
-       dma_addr_t src = 0, dst = 0;
--      u32 info = BCM2835_DMA_WAIT_RESP;
-+      u32 info = WAIT_RESP(c->dreq);
-       u32 extra = BCM2835_DMA_INT_EN;
-       size_t frames;
- 
-@@ -935,7 +940,7 @@ 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 = BCM2835_DMA_WAIT_RESP;
-+      u32 info = WAIT_RESP(c->dreq);
-       u32 extra = 0;
-       size_t max_len = bcm2835_dma_max_frame_length(c);
-       size_t frames;