hi Tarek;
<skip>
> > However there seem to be some issues with virq allocations, like this:
> >
> > <snippet>
> > Starting kernel ...
> >
> > [ 0.000000] [<c0014d48>] (unwind_backtrace+0x0/0xf8) from [<c00117d0>]
> > (show_stack+0x10/0x14)
> > [ 0.000000] [<c00117d0>] (show_stack+0x10/0x14) from [<c0363488>]
> > (dump_stack+0x6c/0xac)
> > [ 0.000000] [<c0363488>] (dump_stack+0x6c/0xac) from [<c001e330>]
> > (warn_slowpath_common+0x64/0x88)
> > [ 0.000000] [<c001e330>] (warn_slowpath_common+0x64/0x88) from
> > [<c001e3e8>] (warn_slowpath_fmt+0x30/0x40)
> > [ 0.000000] [<c001e3e8>] (warn_slowpath_fmt+0x30/0x40) from [<c005a1b4>]
> > (irq_domain_associate+0x128/0x1a8)
> > [ 0.000000] [<c005a1b4>] (irq_domain_associate+0x128/0x1a8) from
> > [<c005a508>] (irq_domain_associate_many+0x30/0x3c
> > )
> > [ 0.000000] [<c005a508>] (irq_domain_associate_many+0x30/0x3c) from
> > [<c005a768>] (irq_domain_add_simple+0x78/0x90)
> > [ 0.000000] [<c005a768>] (irq_domain_add_simple+0x78/0x90) from
> > [<c04b044c>] (combiner_of_init+0xb4/0x198)
> > [ 0.000000] [<c04b044c>] (combiner_of_init+0xb4/0x198) from [<c04b6938>]
> > (of_irq_init+0x278/0x2a0)
> > [ 0.000000] [<c04b6938>] (of_irq_init+0x278/0x2a0) from [<c049b8fc>]
> > (start_kernel+0x18c/0x384)
> > [ 0.000000] [<c049b8fc>] (start_kernel+0x18c/0x384) from [<40008074>]
> > (0x40008074)
> > [ 0.000000] ---[ end trace 1b75b31a2719edcd ]---
> > [ 0.000000] ------------[ cut here ]------------
> > [ 0.000000] WARNING: CPU: 0 PID: 0 at kernel/irq/irqdomain.c:278
> > irq_domain_associate+0x128/0x1a8()
> > [ 0.000000] error: virq337 is not allocated
> > [ 0.000000] Modules linked in:
> > [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W
> > 3.12.0-rc5-00004-g1cb405f #1
> > [ 0.000000] [<c0014d48>] (unwind_backtrace+0x0/0xf8) from [<c00117d0>]
> > (show_stack+0x10/0x14)
> > [ 0.000000] [<c00117d0>] (show_stack+0x10/0x14) from [<c0363488>]
> > (dump_stack+0x6c/0xac)
> > [ 0.000000] [<c0363488>] (dump_stack+0x6c/0xac) from [<c001e330>]
> > (warn_slowpath_common+0x64/0x88)
> > [ 0.000000] [<c001e330>] (warn_slowpath_common+0x64/0x88) from
> > [<c001e3e8>] (warn_slowpath_fmt+0x30/0x40)
> > [ 0.000000] [<c001e3e8>] (warn_slowpath_fmt+0x30/0x40) from [<c005a1b4>]
> > (irq_domain_associate+0x128/0x1a8)
> > [ 0.000000] [<c005a1b4>] (irq_domain_associate+0x128/0x1a8) from
> > [<c005a508>] (irq_domain_associate_many+0x30/0x3c
> > )
> > [ 0.000000] [<c005a508>] (irq_domain_associate_many+0x30/0x3c) from
> > [<c005a768>] (irq_domain_add_simple+0x78/0x90)
> > [ 0.000000] [<c005a768>] (irq_domain_add_simple+0x78/0x90) from
> > [<c04b044c>] (combiner_of_init+0xb4/0x198)
> > [ 0.000000] [<c04b044c>] (combiner_of_init+0xb4/0x198) from [<c04b6938>]
> > (of_irq_init+0x278/0x2a0)
> > [ 0.000000] [<c04b6938>] (of_irq_init+0x278/0x2a0) from [<c049b8fc>]
> > (start_kernel+0x18c/0x384)
> > [ 0.000000] [<c049b8fc>] (start_kernel+0x18c/0x384) from [<40008074>]
> > (0x40008074)
> > [ 0.000000] ---[ end trace 1b75b31a2719edce ]---
> > [ 0.000000] ------------[ cut here ]------------
> > </snippet>
> This will be fixed in 3.13.
>
> Now you can just change "irq_base = 160" to "irq_base = 256"
> in "static int __init combiner_of_init(struct device_node *np, struct
> device_node *parent)" function
> in "drivers/irqchip/exynos-combiner.c"
Thanks, this works for me!
--
Aliaksei
>
> Best regards,
> Tarek Dakhran
>
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