linux-kernel - Re: [PATCH] gpio: Add support for Intel SoC PMIC (Crystal Cove)

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Message-ID: <537A117A.7050802@linux.intel.com>
Date:	Mon, 19 May 2014 17:13:14 +0300
From:	Mathias Nyman <mathias.nyman@...ux.intel.com>
To:	"Zhu, Lejun" <lejun.zhu@...ux.intel.com>,
	Linus Walleij <linus.walleij@...aro.org>
CC:	Alexandre Courbot <gnurou@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	bin.yang@...el.com, Darren Hart <dvhart@...ux.intel.com>,
	"Holmberg, Hans" <hans.holmberg@...el.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>
Subject: Re: [PATCH] gpio: Add support for Intel SoC PMIC (Crystal Cove)

On 05/19/2014 03:27 AM, Zhu, Lejun wrote:
> 
> 
> On 5/17/2014 1:33 AM, Linus Walleij wrote:
>> On Wed, May 14, 2014 at 5:44 PM, Zhu, Lejun <lejun.zhu@...ux.intel.com> wrote:
>>
>>> Devices based on Intel SoC products such as Baytrail have a Power
>>> Management IC. In the PMIC there are subsystems for voltage regulation,
>>> A/D conversion, GPIO and PWMs. The PMIC in Baytrail-T platform is called
>>> Crystal Cove.
>>>
>>> This patch adds support for the GPIO function in Crystal Cove.
>>>
>>> Signed-off-by: Yang, Bin <bin.yang@...el.com>
>>> Signed-off-by: Zhu, Lejun <lejun.zhu@...ux.intel.com>
>>
>> (...)
>>
>>> +config GPIO_INTEL_SOC_PMIC
>>> +       bool "GPIO on Intel SoC PMIC"
>>> +       depends on INTEL_SOC_PMIC
> 
> Thank you. That's a long list and all of them indeed need to be fixed.
> I'll work on them and submit v2 when ready.
> 

Shouldn't there be a .remove function undoing everything probe did?
Freeing interrupts, removing irq domains, calling gpiochip_remove etc.

Or is there something I'm missing?
I see there's no option to compile this as module, but It might be added later so
proper remove function would still be nice.

-Mathias





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