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58 lines
1.7 KiB
Diff
58 lines
1.7 KiB
Diff
From 56b484094fed84e4e76532895c5a692f896a9492 Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Thu, 8 Mar 2012 11:21:08 +0100
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Subject: [PATCH 27/73] MIPS: lantiq: convert dma driver to clkdev api
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Update from old pmu_{dis,en}able() to ckldev api.
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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arch/mips/lantiq/xway/Makefile.rej | 11 +++++++++++
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arch/mips/lantiq/xway/dma.c | 6 +++++-
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2 files changed, 16 insertions(+), 1 deletions(-)
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create mode 100644 arch/mips/lantiq/xway/Makefile.rej
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--- /dev/null
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+++ b/arch/mips/lantiq/xway/Makefile.rej
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@@ -0,0 +1,11 @@
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+--- arch/mips/lantiq/xway/Makefile
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++++ arch/mips/lantiq/xway/Makefile
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+@@ -1,7 +1,4 @@
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+-obj-y := sysctrl.o reset.o gpio.o gpio_stp.o gpio_ebu.o devices.o dma.o clk.o
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+-
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+-obj-$(CONFIG_SOC_XWAY) += prom-xway.o
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+-obj-$(CONFIG_SOC_AMAZON_SE) += prom-ase.o
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++obj-y := prom.o sysctrl.o reset.o gpio.o gpio_stp.o gpio_ebu.o devices.o dma.o clk.o
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+
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+ obj-$(CONFIG_LANTIQ_MACH_EASY50712) += mach-easy50712.o
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+ obj-$(CONFIG_LANTIQ_MACH_EASY50601) += mach-easy50601.o
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--- a/arch/mips/lantiq/xway/dma.c
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+++ b/arch/mips/lantiq/xway/dma.c
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@@ -20,6 +20,7 @@
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#include <linux/io.h>
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#include <linux/dma-mapping.h>
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#include <linux/export.h>
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+#include <linux/clk.h>
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#include <lantiq_soc.h>
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#include <xway_dma.h>
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@@ -216,6 +217,7 @@ EXPORT_SYMBOL_GPL(ltq_dma_init_port);
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int __init
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ltq_dma_init(void)
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{
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+ struct clk *clk;
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int i;
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/* remap dma register range */
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@@ -224,7 +226,9 @@ ltq_dma_init(void)
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panic("Failed to remap dma memory\n");
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/* power up and reset the dma engine */
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- ltq_pmu_enable(PMU_DMA);
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+ clk = clk_get_sys("ltq_dma", NULL);
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+ WARN_ON(!clk);
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+ clk_enable(clk);
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ltq_dma_w32_mask(0, DMA_RESET, LTQ_DMA_CTRL);
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/* disable all interrupts */
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