diff options
Diffstat (limited to 'target/linux/lantiq/patches-5.10/0310-v5.16-MIPS-lantiq-dma-make-the-burst-length-configurable-b.patch')
-rw-r--r-- | target/linux/lantiq/patches-5.10/0310-v5.16-MIPS-lantiq-dma-make-the-burst-length-configurable-b.patch | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/target/linux/lantiq/patches-5.10/0310-v5.16-MIPS-lantiq-dma-make-the-burst-length-configurable-b.patch b/target/linux/lantiq/patches-5.10/0310-v5.16-MIPS-lantiq-dma-make-the-burst-length-configurable-b.patch deleted file mode 100644 index 33c06e9d77..0000000000 --- a/target/linux/lantiq/patches-5.10/0310-v5.16-MIPS-lantiq-dma-make-the-burst-length-configurable-b.patch +++ /dev/null @@ -1,86 +0,0 @@ -From 49293bbc50cb7d44223eb49e0f7cb38e7dac2361 Mon Sep 17 00:00:00 2001 -From: Aleksander Jan Bajkowski <olek2@wp.pl> -Date: Tue, 14 Sep 2021 23:21:01 +0200 -Subject: [PATCH 4/5] MIPS: lantiq: dma: make the burst length configurable by - the drivers - -Make the burst length configurable by the drivers. - -Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl> -Acked-by: Hauke Mehrtens <hauke@hauke-m.de> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - .../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; - } |