lantiq: drop kernel 5.4 support

[openwrt/openwrt.git] / target / linux / lantiq / patches-5.4 / 0113-MIPS-lantiq-dma-make-a-burst-length-configurable-in-.patch

diff --git a/target/linux/lantiq/patches-5.4/0113-MIPS-lantiq-dma-make-a-burst-length-configurable-in-.patch b/target/linux/lantiq/patches-5.4/0113-MIPS-lantiq-dma-make-a-burst-length-configurable-in-.patch
deleted file mode 100644 (file)
index fab2440..0000000
--- a/target/linux/lantiq/patches-5.4/0113-MIPS-lantiq-dma-make-a-burst-length-configurable-in-.patch
+++ /dev/null
@@ -1,84 +0,0 @@
-From 6615eeb39f7a110a196f20acbfb3a017da4d75d2 Mon Sep 17 00:00:00 2001
-From: Aleksander Jan Bajkowski <olek2@wp.pl>
-Date: Fri, 14 May 2021 21:25:08 +0200
-Subject: [PATCH 4/5] MIPS: lantiq: dma: make a burst length configurable in
- drivers
-
-Make a burst length configurable in drivers.
-
-Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
----
- .../include/asm/mach-lantiq/xway/xway_dma.h   |  2 +-
- arch/mips/lantiq/xway/dma.c                   | 38 ++++++++++++++++---
- 2 files changed, 34 insertions(+), 6 deletions(-)
-
---- a/arch/mips/include/asm/mach-lantiq/xway/xway_dma.h
-+++ b/arch/mips/include/asm/mach-lantiq/xway/xway_dma.h
-@@ -45,6 +45,6 @@ extern void ltq_dma_close(struct ltq_dma
- extern void ltq_dma_alloc_tx(struct ltq_dma_channel *ch);
- extern void ltq_dma_alloc_rx(struct ltq_dma_channel *ch);
- extern void ltq_dma_free(struct ltq_dma_channel *ch);
--extern void ltq_dma_init_port(int p);
-+extern void ltq_dma_init_port(int p, int tx_burst, int rx_burst);
- 
- #endif
---- a/arch/mips/lantiq/xway/dma.c
-+++ b/arch/mips/lantiq/xway/dma.c
-@@ -181,7 +181,7 @@ ltq_dma_free(struct ltq_dma_channel *ch)
- EXPORT_SYMBOL_GPL(ltq_dma_free);
- 
- void
--ltq_dma_init_port(int p)
-+ltq_dma_init_port(int p, int tx_burst, int rx_burst)
- {
-       ltq_dma_w32(p, LTQ_DMA_PS);
-       switch (p) {
-@@ -190,16 +190,44 @@ ltq_dma_init_port(int p)
-                * Tell the DMA engine to swap the endianness of data frames and
-                * drop packets if the channel arbitration fails.
-                */
--              ltq_dma_w32_mask(0, DMA_ETOP_ENDIANNESS | DMA_PDEN,
-+              ltq_dma_w32_mask(0, (DMA_ETOP_ENDIANNESS | DMA_PDEN),
-                       LTQ_DMA_PCTRL);
-               break;
- 
--      case DMA_PORT_DEU:
--              ltq_dma_w32((DMA_PCTRL_2W_BURST << DMA_TX_BURST_SHIFT) |
--                      (DMA_PCTRL_2W_BURST << DMA_RX_BURST_SHIFT),
-+      default:
-+              break;
-+      }
-+
-+      switch (rx_burst) {
-+      case 8:
-+              ltq_dma_w32_mask(0x0c, (DMA_PCTRL_8W_BURST << DMA_RX_BURST_SHIFT),
-                       LTQ_DMA_PCTRL);
-               break;
-+      case 4:
-+              ltq_dma_w32_mask(0x0c, (DMA_PCTRL_4W_BURST << DMA_RX_BURST_SHIFT),
-+                      LTQ_DMA_PCTRL);
-+              break;
-+      case 2:
-+              ltq_dma_w32_mask(0x0c, (DMA_PCTRL_2W_BURST << DMA_RX_BURST_SHIFT),
-+                      LTQ_DMA_PCTRL);
-+              break;
-+      default:
-+              break;
-+      }
- 
-+      switch (tx_burst) {
-+      case 8:
-+              ltq_dma_w32_mask(0x30, (DMA_PCTRL_8W_BURST << DMA_TX_BURST_SHIFT),
-+                      LTQ_DMA_PCTRL);
-+              break;
-+      case 4:
-+              ltq_dma_w32_mask(0x30, (DMA_PCTRL_4W_BURST << DMA_TX_BURST_SHIFT),
-+                      LTQ_DMA_PCTRL);
-+              break;
-+      case 2:
-+              ltq_dma_w32_mask(0x30, (DMA_PCTRL_2W_BURST << DMA_TX_BURST_SHIFT),
-+                      LTQ_DMA_PCTRL);
-+              break;
-       default:
-               break;
-       }