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SubjectRe: [PATCH v2 2/8] mfd: cros_ec: free IRQ automatically
On Fri, Feb 23, 2018 at 4:05 PM, Enric Balletbo i Serra
<enric.balletbo@collabora.com> wrote:
>
> From: Vincent Palatin <vpalatin@chromium.org>
>
> Free the IRQ we might have requested when removing the cros_ec device,
> so we can unload and reload the driver properly.
>
> Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
>
> ---
>
> Changes in v2:
> - [2/8] Remove the free_irq in cros_ec_remove.
>
> drivers/mfd/cros_ec.c | 20 ++++++--------------
> 1 file changed, 6 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/mfd/cros_ec.c b/drivers/mfd/cros_ec.c
> index 74780f2964a1..ea8aa704b61e 100644
> --- a/drivers/mfd/cros_ec.c
> +++ b/drivers/mfd/cros_ec.c
> @@ -119,9 +119,9 @@ int cros_ec_register(struct cros_ec_device *ec_dev)
> }
>
> if (ec_dev->irq) {
> - err = request_threaded_irq(ec_dev->irq, NULL, ec_irq_thread,
> - IRQF_TRIGGER_LOW | IRQF_ONESHOT,
> - "chromeos-ec", ec_dev);
> + err = devm_request_threaded_irq(dev, ec_dev->irq, NULL,
> + ec_irq_thread, IRQF_TRIGGER_LOW | IRQF_ONESHOT,
> + "chromeos-ec", ec_dev);
> if (err) {
> dev_err(dev, "Failed to request IRQ %d: %d",
> ec_dev->irq, err);
> @@ -135,7 +135,7 @@ int cros_ec_register(struct cros_ec_device *ec_dev)
> dev_err(dev,
> "Failed to register Embedded Controller subdevice %d\n",
> err);
> - goto fail_mfd;
> + return err;
> }
>
> if (ec_dev->max_passthru) {
> @@ -153,7 +153,7 @@ int cros_ec_register(struct cros_ec_device *ec_dev)
> dev_err(dev,
> "Failed to register Power Delivery subdevice %d\n",
> err);
> - goto fail_mfd;
> + return err;
> }
> }
>
> @@ -162,7 +162,7 @@ int cros_ec_register(struct cros_ec_device *ec_dev)
> if (err) {
> mfd_remove_devices(dev);
> dev_err(dev, "Failed to register sub-devices\n");
> - goto fail_mfd;
> + return err;
> }
> }
>
> @@ -180,11 +180,6 @@ int cros_ec_register(struct cros_ec_device *ec_dev)
> cros_ec_acpi_install_gpe_handler(dev);
>
> return 0;
> -
> -fail_mfd:
> - if (ec_dev->irq)
> - free_irq(ec_dev->irq, ec_dev);
> - return err;
> }
> EXPORT_SYMBOL(cros_ec_register);
>
> @@ -194,9 +189,6 @@ int cros_ec_remove(struct cros_ec_device *ec_dev)
>
> cros_ec_acpi_remove_gpe_handler();
>
> - if (ec_dev->irq)
> - free_irq(ec_dev->irq, ec_dev);
> -


Acked-by: Vincent Palatin <vpalatin@chromium.org>


>
> return 0;
> }
> EXPORT_SYMBOL(cros_ec_remove);
> --
> 2.16.1
>

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