Re: [patch 04/12] MIPS/pci-rt3883: Consolidate chained IRQ handler install/remove

From: Julia Lawall
Date: Mon Jul 13 2015 - 16:51:07 EST




On Mon, 13 Jul 2015, Thomas Gleixner wrote:

> Chained irq handlers usually set up handler data as well. We now have
> a function to set both under irq_desc->lock. Replace the two calls
> with one.

Are the original calls remaining? If so, should there be a semantic patch
in the kernel to check for this, in case people ut the two calls in teh
future.

julia

>
> Search and conversion was done with coccinelle.
>
> Reported-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Julia Lawall <Julia.Lawall@xxxxxxx>
> Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
> Cc: linux-mips@xxxxxxxxxxxxxx
> ---
> arch/mips/pci/pci-rt3883.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> Index: tip/arch/mips/pci/pci-rt3883.c
> ===================================================================
> --- tip.orig/arch/mips/pci/pci-rt3883.c
> +++ tip/arch/mips/pci/pci-rt3883.c
> @@ -225,8 +225,7 @@ static int rt3883_pci_irq_init(struct de
> return -ENODEV;
> }
>
> - irq_set_handler_data(irq, rpc);
> - irq_set_chained_handler(irq, rt3883_pci_irq_handler);
> + irq_set_chained_handler_and_data(irq, rt3883_pci_irq_handler, rpc);
>
> return 0;
> }
>
>
>
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