[PATCH] clk: fix compile for OF && !COMMON_CLK

[Alexandre Pereira da Silva]

On Mon, Jul 16, 2012 at 6:46 PM, Rob Herring <robherring2 at gmail.com> wrote:
> From: Rob Herring <rob.herring at calxeda.com>
>
> With commit 766e6a4ec602d0c107 (clk: add DT clock binding support),
> compiling with OF && !COMMON_CLK is broken.

Thanks, Rob.

This fixed the issue for me, but Mike's comments applies.

> Reported-by: Alexandre Pereira da Silva <aletes.xgr at gmail.com>
> Reported-by: Prashant Gaikwad <pgaikwad at nvidia.com>
> Signed-off-by: Rob Herring <rob.herring at calxeda.com>
> ---
>  drivers/clk/clkdev.c |    2 +-
>  include/linux/clk.h  |    7 ++++---
>  2 files changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c
> index 20649b3..8f87b0f 100644
> --- a/drivers/clk/clkdev.c
> +++ b/drivers/clk/clkdev.c
> @@ -24,7 +24,7 @@
>  static LIST_HEAD(clocks);
>  static DEFINE_MUTEX(clocks_mutex);
>
> -#ifdef CONFIG_OF
> +#if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK)
>  struct clk *of_clk_get(struct device_node *np, int index)
>  {
>         struct of_phandle_args clkspec;
> diff --git a/include/linux/clk.h b/include/linux/clk.h
> index 8b70342..35f7492 100644
> --- a/include/linux/clk.h
> +++ b/include/linux/clk.h
> @@ -12,6 +12,7 @@
>  #ifndef __LINUX_CLK_H
>  #define __LINUX_CLK_H
>
> +#include <linux/err.h>
>  #include <linux/kernel.h>
>  #include <linux/notifier.h>
>
> @@ -313,19 +314,19 @@ int clk_add_alias(const char *alias, const char *alias_dev_name, char *id,
>  struct device_node;
>  struct of_phandle_args;
>
> -#ifdef CONFIG_OF
> +#if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK)
>  struct clk *of_clk_get(struct device_node *np, int index);
>  struct clk *of_clk_get_by_name(struct device_node *np, const char *name);
>  struct clk *of_clk_get_from_provider(struct of_phandle_args *clkspec);
>  #else
>  static inline struct clk *of_clk_get(struct device_node *np, int index)
>  {
> -       return NULL;
> +       return ERR_PTR(-EINVAL);
>  }
>  static inline struct clk *of_clk_get_by_name(struct device_node *np,
>                                              const char *name)
>  {
> -       return NULL;
> +       return ERR_PTR(-EINVAL);
>  }
>  #endif
>
> --
> 1.7.9.5
>