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 diff --git a/arch/mips/lantiq/xway/gpio_stp.c b/arch/mips/lantiq/xway/gpio_stp.c
  14 index e6b4809..da91c5e 100644
  15 --- a/arch/mips/lantiq/xway/gpio_stp.c
  16 +++ b/arch/mips/lantiq/xway/gpio_stp.c
  17 @@ -15,6 +15,8 @@
  18  #include <linux/mutex.h>
  19  #include <linux/io.h>
  20  #include <linux/gpio.h>
  21 +#include <linux/clk.h>
  22 +#include <linux/err.h>
  23
  24  #include <lantiq_soc.h>
  25
  26 @@ -78,8 +80,10 @@ static struct gpio_chip ltq_stp_chip = {
  27         .owner = THIS_MODULE,
  28  };
  29
  30 -static int ltq_stp_hw_init(void)
  31 +static int ltq_stp_hw_init(struct device *dev)
  32  {
  33 +       struct clk *clk;
  34 +
  35         /* sane defaults */
  36         ltq_stp_w32(0, LTQ_STP_AR);
  37         ltq_stp_w32(0, LTQ_STP_CPU0);
  38 @@ -105,7 +109,9 @@ static int ltq_stp_hw_init(void)
  39          */
  40         ltq_stp_w32_mask(0, LTQ_STP_ADSL_SRC, LTQ_STP_CON0);
  41
  42 -       ltq_pmu_enable(PMU_LED);
  43 +       clk = clk_get(dev, NULL);
  44 +       WARN_ON(IS_ERR(clk));
  45 +       clk_enable(clk);
  46         return 0;
  47  }
  48
  49 @@ -138,7 +144,7 @@ static int __devinit ltq_stp_probe(struct platform_device *pdev)
  50         }
  51         ret = gpiochip_add(&ltq_stp_chip);
  52         if (!ret)
  53 -               ret = ltq_stp_hw_init();
  54 +               ret = ltq_stp_hw_init(&pdev->dev);
  55
  56         return ret;
  57  }
  58 --
  59 1.7.9.1
  60