Re: [PATCH] mfd: fix a bug in the asic3 irq demux code

From: Samuel Ortiz
Date: Thu Jul 03 2008 - 08:58:15 EST


Hi Philipp,

On Wed, Jul 02, 2008 at 07:42:53PM +0200, Philipp Zabel wrote:
> Wrong irq numbers were given to desc->handle_irq, which
> on some devices caused endless loops (asic3_irq_demux
> calling itself, basically).
Thanks, applied to my mfd tree.

Cheers,
Samuel.


> Signed-off-by: Philipp Zabel <philipp.zabel@xxxxxxxxx>
> ---
> drivers/mfd/asic3.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
> index 8e41130..59ec9c6 100644
> --- a/drivers/mfd/asic3.c
> +++ b/drivers/mfd/asic3.c
> @@ -308,7 +308,7 @@ static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc)
> for (i = ASIC3_NUM_GPIOS; i < ASIC3_NR_IRQS; i++) {
> /* They start at bit 4 and go up */
> if (status & (1 << (i - ASIC3_NUM_GPIOS + 4))) {
> - desc = irq_desc + + i;
> + desc = irq_desc + asic->irq_base + i;
> desc->handle_irq(asic->irq_base + i,
> desc);
> }
> --
> 1.5.6
>
>
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