target/linux/lantiq/patches-3.3/0025-MIPS-lantiq-convert-gpio_stp-driver-to-clkdev-api.patch

   1 From b4c30090220ae84e03e35363fc2dc6cf3e4b00ed Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Thu, 8 Mar 2012 11:21:33 +0100
   4 Subject: [PATCH 25/70] MIPS: lantiq: convert gpio_stp 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/gpio_stp.c |   12 +++++++++---
  11  1 files changed, 9 insertions(+), 3 deletions(-)
  12
  13 --- a/arch/mips/lantiq/xway/gpio_stp.c
  14 +++ b/arch/mips/lantiq/xway/gpio_stp.c
  15 @@ -15,6 +15,8 @@
  16  #include <linux/mutex.h>
  17  #include <linux/io.h>
  18  #include <linux/gpio.h>
  19 +#include <linux/clk.h>
  20 +#include <linux/err.h>
  21
  22  #include <lantiq_soc.h>
  23
  24 @@ -78,8 +80,10 @@ static struct gpio_chip ltq_stp_chip = {
  25         .owner = THIS_MODULE,
  26  };
  27
  28 -static int ltq_stp_hw_init(void)
  29 +static int ltq_stp_hw_init(struct device *dev)
  30  {
  31 +       struct clk *clk;
  32 +
  33         /* sane defaults */
  34         ltq_stp_w32(0, LTQ_STP_AR);
  35         ltq_stp_w32(0, LTQ_STP_CPU0);
  36 @@ -105,7 +109,9 @@ static int ltq_stp_hw_init(void)
  37          */
  38         ltq_stp_w32_mask(0, LTQ_STP_ADSL_SRC, LTQ_STP_CON0);
  39
  40 -       ltq_pmu_enable(PMU_LED);
  41 +       clk = clk_get(dev, NULL);
  42 +       WARN_ON(IS_ERR(clk));
  43 +       clk_enable(clk);
  44         return 0;
  45  }
  46
  47 @@ -138,7 +144,7 @@ static int __devinit ltq_stp_probe(struc
  48         }
  49         ret = gpiochip_add(&ltq_stp_chip);
  50         if (!ret)
  51 -               ret = ltq_stp_hw_init();
  52 +               ret = ltq_stp_hw_init(&pdev->dev);
  53
  54         return ret;
  55  }