Re: [PATCHv4 07/13] ARM: s3c64xx: convert to MULTI_IRQ_HANDLER

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On 9 November 2011 17:24, Jamie Iles <jamie@xxxxxxxxxxxxx> wrote:
> On Wed, Nov 09, 2011 at 04:55:06PM +0530, Thomas Abraham wrote:
>> Hi Jamie,
>>
>> On 4 November 2011 06:40, Jamie Iles <jamie@xxxxxxxxxxxxx> wrote:
>> > Now that there is a generic IRQ handler for multiple VIC devices use it
>> > for s3c64xx to help building multi platform kernels.
>> >
>> > Cc: Ben Dooks <ben-linux@xxxxxxxxx>
>> > Signed-off-by: Jamie Iles <jamie@xxxxxxxxxxxxx>
>> > ---
>> >  arch/arm/Kconfig                                 |    1 +
>> >  arch/arm/mach-s3c64xx/include/mach/entry-macro.S |    7 ++++---
>> >  arch/arm/mach-s3c64xx/mach-anw6410.c             |    2 ++
>> >  arch/arm/mach-s3c64xx/mach-crag6410.c            |    2 ++
>> >  arch/arm/mach-s3c64xx/mach-hmt.c                 |    2 ++
>> >  arch/arm/mach-s3c64xx/mach-mini6410.c            |    2 ++
>> >  arch/arm/mach-s3c64xx/mach-ncp.c                 |    2 ++
>> >  arch/arm/mach-s3c64xx/mach-real6410.c            |    2 ++
>> >  arch/arm/mach-s3c64xx/mach-smartq5.c             |    2 ++
>> >  arch/arm/mach-s3c64xx/mach-smartq7.c             |    2 ++
>> >  arch/arm/mach-s3c64xx/mach-smdk6400.c            |    2 ++
>> >  arch/arm/mach-s3c64xx/mach-smdk6410.c            |    2 ++
>> >  12 files changed, 25 insertions(+), 3 deletions(-)
>> >
>>
>> I have tested this patch series on smdk6410 board (s3c64xx) using the
>> following repositorty and branch
>>
>> https://github.com/jamieiles/linux-2.6-ji.git  branch: vic-dt
>>
>> There is a crash while booting. Am I using the right tree and branch?
>> The following is the boot log. Is there any other config option to be
>> enabled?
>
> Hmm, could you please try with the patch below applied?
>
> Rob, I'm not sure if this is the best fix.  The alternatives I can think
> of would be to always export irq_domain_simple_ops even if
> !CONFIG_OF_IRQ but not set .dt_translate or provide a generic
> irq_domain_null_ops.
>
> Jamie
>
> 8<----
>
> diff --git a/arch/arm/common/vic.c b/arch/arm/common/vic.c
> index 8c5f4b0..9a5fb9e 100644
> --- a/arch/arm/common/vic.c
> +++ b/arch/arm/common/vic.c
> @@ -163,6 +163,10 @@ static int __init vic_pm_init(void)
>  late_initcall(vic_pm_init);
>  #endif /* CONFIG_PM */
>
> +#ifndef CONFIG_OF_IRQ
> +static const struct irq_domain_ops vic_domain_null_ops;
> +#endif /* !CONFIG_OF_IRQ */
> +
>  /**
>  * vic_register() - Register a VIC.
>  * @base: The base address of the VIC.
> @@ -197,6 +201,8 @@ static void __init vic_register(void __iomem *base, unsigned int irq,
>  #ifdef CONFIG_OF_IRQ
>        v->domain.of_node = of_node_get(node);
>        v->domain.ops = &irq_domain_simple_ops;
> +#else /* CONFIG_OF_IRQ */
> +       v->domain.ops = &vic_domain_null_ops;
>  #endif /* CONFIG_OF */
>        irq_domain_add(&v->domain);
>  }
>

This patch solves the issue and both smdk6410 and smdkv210 works fine.

Thanks,
Thomas.
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