Re: [PATCH v4 0/4] Bugfix for of_match_node ordering

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Hi Kevin,

On 20 February 2014 15:42, Kevin Hao <haokexin@xxxxxxxxx> wrote:
> On Thu, Feb 20, 2014 at 02:09:08PM +0530, Sachin Kamat wrote:
>> Hi Grant,
>>
>> I observe the following boot failure with today's (next-20140220) linux-next
>> tree on Exynos based boards with the default exynos_defconfig.
>
> Does this help?

The below patch works for me. Thanks for the fix.

>
> diff --git a/drivers/of/base.c b/drivers/of/base.c
> index 8a27fc907ab6..9cc893530b9a 100644
> --- a/drivers/of/base.c
> +++ b/drivers/of/base.c
> @@ -381,12 +381,16 @@ static int __of_device_is_compatible(const struct device_node *device,
>
>         /* Compatible match has highest priority */
>         if (compat && compat[0]) {
> -               of_property_for_each_string(device, "compatible", prop, cp) {
> +               prop = __of_find_property(device, "compatible", NULL);
> +               if (!prop)
> +                       return 0;
> +
> +               for (cp = of_prop_next_string(prop, NULL); cp;
> +                               cp = of_prop_next_string(prop, cp), index++) {
>                         if (of_compat_cmp(cp, compat, strlen(compat)) == 0) {
>                                 score = INT_MAX/2 - (index << 2);
>                                 break;
>                         }
> -                       index++;
>                 }
>                 if (!score)
>                         return 0;
>
>
> Thanks,
> Kevin



-- 
With warm regards,
Sachin
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