[PATCH RFT 1/2] drivers: bus: check cci device tree node status

[Abhilash Kesavan]

Hi,

On Fri, Nov 28, 2014 at 8:20 PM, Abhilash Kesavan <a.kesavan at samsung.com> wrote:
> The arm-cci driver completes the probe sequence even if the cci node is
> marked as disabled. Add a check in the driver to honour the cci status
> in the device tree.
>
> Signed-off-by: Abhilash Kesavan <a.kesavan at samsung.com>

This patch helps disable CCI on the Arndale Octa board thus resolving
some imprecise aborts seen on that board. Kindly review.

Regards,
Abhilash
> ---
>  drivers/bus/arm-cci.c |    3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c
> index 860da40..0ce5e2d 100644
> --- a/drivers/bus/arm-cci.c
> +++ b/drivers/bus/arm-cci.c
> @@ -1312,6 +1312,9 @@ static int cci_probe(void)
>         if (!np)
>                 return -ENODEV;
>
> +       if (!of_device_is_available(np))
> +               return -ENODEV;
> +
>         cci_config = of_match_node(arm_cci_matches, np)->data;
>         if (!cci_config)
>                 return -ENODEV;
> --
> 1.7.9.5
>