Ack: [PATCH 1/1] ite-cir: postpone ISR registration
Brad Figg
brad.figg at canonical.com
Wed Apr 18 19:24:55 UTC 2012
On 04/18/2012 12:09 PM, Luis Henriques wrote:
> BugLink: http://bugs.launchpad.net/bugs/972723
>
> An early registration of an ISR was causing a crash to several users. The
> reason was that IRQs were being triggered before the driver initialisation
> was completed.
>
> This patch fixes this by moving the invocation to request_irq() to a later
> stage on the driver probe function.
>
> Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
> ---
> drivers/media/rc/ite-cir.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c
> index 682009d..98d8ccf 100644
> --- a/drivers/media/rc/ite-cir.c
> +++ b/drivers/media/rc/ite-cir.c
> @@ -1521,10 +1521,6 @@ static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id
> dev_desc->io_region_size, ITE_DRIVER_NAME))
> goto failure;
>
> - if (request_irq(itdev->cir_irq, ite_cir_isr, IRQF_SHARED,
> - ITE_DRIVER_NAME, (void *)itdev))
> - goto failure;
> -
> /* set driver data into the pnp device */
> pnp_set_drvdata(pdev, itdev);
> itdev->pdev = pdev;
> @@ -1600,6 +1596,10 @@ static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id
> rdev->driver_name = ITE_DRIVER_NAME;
> rdev->map_name = RC_MAP_RC6_MCE;
>
> + if (request_irq(itdev->cir_irq, ite_cir_isr, IRQF_SHARED,
> + ITE_DRIVER_NAME, (void *)itdev))
> + goto failure;
> +
> ret = rc_register_device(rdev);
> if (ret)
> goto failure;
--
Brad Figg brad.figg at canonical.com http://www.canonical.com
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