On Thu, Apr 14, 2016 at 07:35:29PM -0700, Guenter Roeck wrote:
> compat_ioctl has to be populated for 32 bit userspace applications to work
> with 64 bit kernels.
>
> Signed-off-by: Guenter Roeck <li...@roeck-us.net>
Tested with 32-bit user space on ARM64:
Tested-by: Brian Norris <briannor...@chromium.org>
> ---
> drivers/platform/chrome/cros_ec_dev.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/platform/chrome/cros_ec_dev.c
> b/drivers/platform/chrome/cros_ec_dev.c
> index 6c45e0f5ba7b..903b1d8dcab7 100644
> --- a/drivers/platform/chrome/cros_ec_dev.c
> +++ b/drivers/platform/chrome/cros_ec_dev.c
> @@ -208,6 +208,9 @@ static const struct file_operations fops = {
> .release = ec_device_release,
> .read = ec_device_read,
> .unlocked_ioctl = ec_device_ioctl,
> +#ifdef CONFIG_COMPAT
> + .compat_ioctl = ec_device_ioctl,
> +#endif
> };
>
> static void __remove(struct device *dev)
