linux-kernel - Re: [PATCH 1/8] extcon: axp288: Remove dependency on non-existing platform

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Message-id: <585779C1.9080402@samsung.com>
Date:   Mon, 19 Dec 2016 15:10:09 +0900
From:   Chanwoo Choi <cw00.choi@...sung.com>
To:     Hans de Goede <hdegoede@...hat.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/8] extcon: axp288: Remove dependency on non-existing
 platform_data

Hi Hans,

On 2016년 12월 19일 09:13, Hans de Goede wrote:
> When the extcon_axp288 driver was originally merged, it was merged with
> a dependency on some other driver providing platform data for it.
> 
> However such another driver was never merged, so the extcon_axp288 as
> merged upstream has never worked, its probe method simply always returns
> -ENODEV.
> 
> This commit drops the dependency on the pdata always being there, instead
> it treats not having pdata as the pdata having a NULL gpio_mux_control,
> something which the code was already prepared to handle.
> 
> Note that the code for controlling the mux_control gpio is left in place,
> as this may be necessary to allow the axp288 pmic to properly detect the
> charger type (instead of assuming 500mA max charge current) on some
> tablets. This will make it easier for future patches to add support for
> this gpio by getting the gpio info from somewhere.
> 
> Signed-off-by: Hans de Goede <hdegoede@...hat.com>
> ---
>  drivers/extcon/extcon-axp288.c | 25 ++++++++++---------------
>  1 file changed, 10 insertions(+), 15 deletions(-)

Looks good to me.
Acked-by: Chanwoo Choi <cw00.choi@...sung.com>

-- 
Regards,
Chanwoo Choi