Re: [PATCH] input: egalax_ts: remove bogus OF dependency

From: Dmitry Torokhov
Date: Tue Apr 23 2013 - 11:38:06 EST


On Tue, Apr 23, 2013 at 02:09:17PM +0300, Artem Bityutskiy wrote:
> There are platforms using this driver which do not have OF. However, commit
> ae495e844a77344fdaedbb2ad97d925d096e9f0d added a Kconfig dependency on OF and
> broke OF-less setups.
>
> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@xxxxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx [v3.7+]
> ---
> drivers/input/touchscreen/Kconfig | 2 +-
> drivers/input/touchscreen/egalax_ts.c | 2 ++
> 2 files changed, 3 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
> index 515cfe7..d53b0d6 100644
> --- a/drivers/input/touchscreen/Kconfig
> +++ b/drivers/input/touchscreen/Kconfig
> @@ -227,7 +227,7 @@ config TOUCHSCREEN_EETI
>
> config TOUCHSCREEN_EGALAX
> tristate "EETI eGalax multi-touch panel support"
> - depends on I2C && OF
> + depends on I2C

No, because egalax_wake_up_device() needs OF data and with !CONFIG_OF
you'll end up using stubs, the wakeup will fail and the touchscreen will
fail probe.

It wasn't tested, was it?

Thanks.

> help
> Say Y here to enable support for I2C connected EETI
> eGalax multi-touch panels.
> diff --git a/drivers/input/touchscreen/egalax_ts.c b/drivers/input/touchscreen/egalax_ts.c
> index 17c9097..b984cfc 100644
> --- a/drivers/input/touchscreen/egalax_ts.c
> +++ b/drivers/input/touchscreen/egalax_ts.c
> @@ -287,10 +287,12 @@ static int egalax_ts_resume(struct device *dev)
>
> static SIMPLE_DEV_PM_OPS(egalax_ts_pm_ops, egalax_ts_suspend, egalax_ts_resume);
>
> +#ifdef CONFIG_OF
> static struct of_device_id egalax_ts_dt_ids[] = {
> { .compatible = "eeti,egalax_ts" },
> { /* sentinel */ }
> };
> +#endif
>
> static struct i2c_driver egalax_ts_driver = {
> .driver = {
> --
> 1.7.7
>

--
Dmitry
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