On Wed, Sep 26, 2018 at 08:33:17PM -0700, Nathan Chancellor wrote:
> Clang warns:
>
> drivers/mfd/cros_ec_dev.c:509:40: warning: variable 'cros_ec_id' is not
> needed and will not be emitted [-Wunneeded-internal-declaration]
> static const struct platform_device_id cros_ec_id[] = {
> ^
> 1 warning generated.
>
> Avoid this warning by adding it to the cros_ec_dev_driver definition
> under the id_table member like all other platform drivers.
>
> Signed-off-by: Nathan Chancellor <natechancel...@gmail.com>
> ---
>
> I looked at several drivers with platform_device_id defintions and I
> didn't really find any where the definition wasn't then added to the
> platform_driver so I'm not sure if this was just missed in commit
> afbf8ec7c4f9 ("platform/chrome: cros_ec_dev - Add a platform
> device ID table") or if it was an intentional omission. I'm not super
> familiar with the inner workings of platform devices.
>
> Should this commit be undesirable, the warning can be silenced with the
> __used attribute but this seemed like a more proper first commit.
>
> drivers/mfd/cros_ec_dev.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c
> index 999dac752bcc..8f9d6964173e 100644
> --- a/drivers/mfd/cros_ec_dev.c
> +++ b/drivers/mfd/cros_ec_dev.c
> @@ -546,6 +546,7 @@ static struct platform_driver cros_ec_dev_driver = {
> .name = DRV_NAME,
> .pm = &cros_ec_dev_pm_ops,
> },
> + .id_table = cros_ec_id,
> .probe = ec_device_probe,
> .remove = ec_device_remove,
> .shutdown = ec_device_shutdown,
> --
> 2.19.0
>
It just occurred to me I probably should have added some of the Chromium
guys who have modified this driver to this patch. I've done that now.
Nathan
