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From e6a19ba12790d04267a9f052a3dc64fa1a8cac16 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Thu, 8 Mar 2012 11:21:08 +0100
Subject: [PATCH 28/70] MIPS: lantiq: convert dma driver to clkdev api
Update from old pmu_{dis,en}able() to ckldev api.
Signed-off-by: John Crispin <blogic@openwrt.org>
---
arch/mips/lantiq/xway/Makefile.rej | 11 +++++++++++
arch/mips/lantiq/xway/dma.c | 6 +++++-
2 files changed, 16 insertions(+), 1 deletions(-)
create mode 100644 arch/mips/lantiq/xway/Makefile.rej
--- /dev/null
+++ b/arch/mips/lantiq/xway/Makefile.rej
@@ -0,0 +1,11 @@
+--- arch/mips/lantiq/xway/Makefile
++++ arch/mips/lantiq/xway/Makefile
+@@ -1,7 +1,4 @@
+-obj-y := sysctrl.o reset.o gpio.o gpio_stp.o gpio_ebu.o devices.o dma.o clk.o
+-
+-obj-$(CONFIG_SOC_XWAY) += prom-xway.o
+-obj-$(CONFIG_SOC_AMAZON_SE) += prom-ase.o
++obj-y := prom.o sysctrl.o reset.o gpio.o gpio_stp.o gpio_ebu.o devices.o dma.o clk.o
+
+ obj-$(CONFIG_LANTIQ_MACH_EASY50712) += mach-easy50712.o
+ obj-$(CONFIG_LANTIQ_MACH_EASY50601) += mach-easy50601.o
--- a/arch/mips/lantiq/xway/dma.c
+++ b/arch/mips/lantiq/xway/dma.c
@@ -20,6 +20,7 @@
#include <linux/io.h>
#include <linux/dma-mapping.h>
#include <linux/export.h>
+#include <linux/clk.h>
#include <lantiq_soc.h>
#include <xway_dma.h>
@@ -216,6 +217,7 @@ EXPORT_SYMBOL_GPL(ltq_dma_init_port);
int __init
ltq_dma_init(void)
{
+ struct clk *clk;
int i;
/* remap dma register range */
@@ -224,7 +226,9 @@ ltq_dma_init(void)
panic("Failed to remap dma memory\n");
/* power up and reset the dma engine */
- ltq_pmu_enable(PMU_DMA);
+ clk = clk_get_sys("ltq_dma", NULL);
+ WARN_ON(!clk);
+ clk_enable(clk);
ltq_dma_w32_mask(0, DMA_RESET, LTQ_DMA_CTRL);
/* disable all interrupts */
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