On Mon, 16 Jun 2014, Doug Anderson wrote:
> From: Bill Richardson <wfrichar@xxxxxxxxxxxx>
>
> Preparing the way for the LPC device, which is just a plaform_device without
> interrupts.
>
> Signed-off-by: Bill Richardson <wfrichar@xxxxxxxxxxxx>
> Signed-off-by: Doug Anderson <dianders@xxxxxxxxxxxx>
> ---
> drivers/mfd/cros_ec.c | 26 +++++++++++++-------------
> 1 file changed, 13 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/mfd/cros_ec.c b/drivers/mfd/cros_ec.c
> index 38fe9bf..bd6f936 100644
> --- a/drivers/mfd/cros_ec.c
> +++ b/drivers/mfd/cros_ec.c
> @@ -119,17 +119,15 @@ int cros_ec_register(struct cros_ec_device *ec_dev)
> return -ENOMEM;
> }
>
> - if (!ec_dev->irq) {
> - dev_dbg(dev, "no valid IRQ: %d\n", ec_dev->irq);
> - return err;
> - }
> -
> - err = request_threaded_irq(ec_dev->irq, NULL, ec_irq_thread,
> - IRQF_TRIGGER_LOW | IRQF_ONESHOT,
> - "chromeos-ec", ec_dev);
> - if (err) {
> - dev_err(dev, "request irq %d: error %d\n", ec_dev->irq, err);
> - return err;
> + if (ec_dev->irq) {
> + err = request_threaded_irq(ec_dev->irq, NULL, ec_irq_thread,
> + IRQF_TRIGGER_LOW | IRQF_ONESHOT,
> + "chromeos-ec", ec_dev);
Is there anything stopping you using the devm_* version?
> + if (err) {
> + dev_err(dev, "request irq %d: error %d\n",
> + ec_dev->irq, err);
> + return err;
> + }
> }
>
> err = mfd_add_devices(dev, 0, cros_devs,
> @@ -145,7 +143,8 @@ int cros_ec_register(struct cros_ec_device *ec_dev)
> return 0;
>
> fail_mfd:
> - free_irq(ec_dev->irq, ec_dev);
> + if (ec_dev->irq)
> + free_irq(ec_dev->irq, ec_dev);
>
> return err;
> }
> @@ -154,7 +153,8 @@ EXPORT_SYMBOL(cros_ec_register);
> int cros_ec_remove(struct cros_ec_device *ec_dev)
> {
> mfd_remove_devices(ec_dev->dev);
> - free_irq(ec_dev->irq, ec_dev);
> + if (ec_dev->irq)
> + free_irq(ec_dev->irq, ec_dev);
>
> return 0;
> }
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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