target/linux/lantiq/patches-3.2/0028-MIPS-lantiq-convert-dma-driver-to-clkdev-api.patch

   1 From e6a19ba12790d04267a9f052a3dc64fa1a8cac16 Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Thu, 8 Mar 2012 11:21:08 +0100
   4 Subject: [PATCH 28/70] MIPS: lantiq: convert dma driver to clkdev api
   5
   6 Update from old pmu_{dis,en}able() to ckldev api.
   7
   8 Signed-off-by: John Crispin <blogic@openwrt.org>
   9 ---
  10  arch/mips/lantiq/xway/Makefile.rej |   11 +++++++++++
  11  arch/mips/lantiq/xway/dma.c        |    6 +++++-
  12  2 files changed, 16 insertions(+), 1 deletions(-)
  13  create mode 100644 arch/mips/lantiq/xway/Makefile.rej
  14
  15 diff --git a/arch/mips/lantiq/xway/Makefile.rej b/arch/mips/lantiq/xway/Makefile.rej
  16 new file mode 100644
  17 index 0000000..c0d5b52
  18 --- /dev/null
  19 +++ b/arch/mips/lantiq/xway/Makefile.rej
  20 @@ -0,0 +1,11 @@
  21 +--- arch/mips/lantiq/xway/Makefile
  22 ++++ arch/mips/lantiq/xway/Makefile
  23 +@@ -1,7 +1,4 @@
  24 +-obj-y := sysctrl.o reset.o gpio.o gpio_stp.o gpio_ebu.o devices.o dma.o clk.o
  25 +-
  26 +-obj-$(CONFIG_SOC_XWAY) += prom-xway.o
  27 +-obj-$(CONFIG_SOC_AMAZON_SE) += prom-ase.o
  28 ++obj-y := prom.o sysctrl.o reset.o gpio.o gpio_stp.o gpio_ebu.o devices.o dma.o clk.o
  29 +
  30 + obj-$(CONFIG_LANTIQ_MACH_EASY50712) += mach-easy50712.o
  31 + obj-$(CONFIG_LANTIQ_MACH_EASY50601) += mach-easy50601.o
  32 diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c
  33 index 60cd11f..388f1aa 100644
  34 --- a/arch/mips/lantiq/xway/dma.c
  35 +++ b/arch/mips/lantiq/xway/dma.c
  36 @@ -20,6 +20,7 @@
  37  #include <linux/io.h>
  38  #include <linux/dma-mapping.h>
  39  #include <linux/export.h>
  40 +#include <linux/clk.h>
  41
  42  #include <lantiq_soc.h>
  43  #include <xway_dma.h>
  44 @@ -216,6 +217,7 @@ EXPORT_SYMBOL_GPL(ltq_dma_init_port);
  45  int __init
  46  ltq_dma_init(void)
  47  {
  48 +       struct clk *clk;
  49         int i;
  50
  51         /* remap dma register range */
  52 @@ -224,7 +226,9 @@ ltq_dma_init(void)
  53                 panic("Failed to remap dma memory\n");
  54
  55         /* power up and reset the dma engine */
  56 -       ltq_pmu_enable(PMU_DMA);
  57 +       clk = clk_get_sys("ltq_dma", NULL);
  58 +       WARN_ON(!clk);
  59 +       clk_enable(clk);
  60         ltq_dma_w32_mask(0, DMA_RESET, LTQ_DMA_CTRL);
  61
  62         /* disable all interrupts */
  63 --
  64 1.7.7.1
  65