[PATCH V2] ARM: imx: add platform irq type setting in gpc

[Lucas Stach]

Am Dienstag, den 20.10.2015, 18:44 +0800 schrieb Anson Huang:
> From: Anson Huang <b20788 at freescale.com>
> 
> GPC irq domain is a child domain of GIC, now all of platform irqs
> are inside GPC domain, during the module populate, all devices irq
> should have correct type setting in GIC, however, there is no
> .irq_set_type callback setting in GPC, so the irq_set_type will be
> skipped and cause all irqs' type in /proc/interrupt are "edge" which
> mismatch with irq type setting in dtb file. Since GPC has no irq
> type setting, so just tell kernel to use irq_chip_set_type_parent.
> 
> Signed-off-by: Anson Huang <Anson.Huang at freescale.com>

Cc: <stable at vger.kernel.org> # 4.1+
Reviewed-by: Lucas Stach <l.stach at pengutronix.de>

> ---
> change from V1:
> 	improve commit message.
>  arch/arm/mach-imx/gpc.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c
> index 10bf715..b3a7a74 100644
> --- a/arch/arm/mach-imx/gpc.c
> +++ b/arch/arm/mach-imx/gpc.c
> @@ -176,6 +176,7 @@ static struct irq_chip imx_gpc_chip = {
>  	.irq_unmask		= imx_gpc_irq_unmask,
>  	.irq_retrigger		= irq_chip_retrigger_hierarchy,
>  	.irq_set_wake		= imx_gpc_irq_set_wake,
> +	.irq_set_type           = irq_chip_set_type_parent,
>  #ifdef CONFIG_SMP
>  	.irq_set_affinity	= irq_chip_set_affinity_parent,
>  #endif

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