linux-kernel - Re: [PATCH linux-can/testing] can: tcan4x5x: Disable the INH pin device-state GPIO is unavailable

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Date:   Wed, 8 Jan 2020 14:47:42 -0600
From:   Dan Murphy <dmurphy@...com>
To:     Marc Kleine-Budde <mkl@...gutronix.de>,
        <linux-kernel@...r.kernel.org>, <linux-can@...r.kernel.org>,
        <wg@...ndegger.com>, <sriram.dash@...sung.com>
Subject: Re: [PATCH linux-can/testing] can: tcan4x5x: Disable the INH pin
 device-state GPIO is unavailable

Marc

On 12/29/19 10:05 AM, Marc Kleine-Budde wrote:
> On 12/29/19 4:32 PM, Marc Kleine-Budde wrote:
>> On 12/12/19 5:15 PM, Dan Murphy wrote:
>>>   static int tcan4x5x_parse_config(struct m_can_classdev *cdev)
>>>   {
>>>   	struct tcan4x5x_priv *tcan4x5x = cdev->device_data;
>>> @@ -383,8 +393,10 @@ static int tcan4x5x_parse_config(struct m_can_classdev *cdev)
>>>   	tcan4x5x->device_state_gpio = devm_gpiod_get_optional(cdev->dev,
>>>   							      "device-state",
>>>   							      GPIOD_IN);
>>> -	if (IS_ERR(tcan4x5x->device_state_gpio))
>>> +	if (IS_ERR(tcan4x5x->device_state_gpio)) {
>>>   		tcan4x5x->device_state_gpio = NULL;
>>> +		tcan4x5x_disable_state(cdev);
>>> +	}
>> For some reason, this hunk doesn't apply, due to the additional:
>>
>>>> 	tcan4x5x->power = devm_regulator_get_optional(cdev->dev,
>>>> 						      "vsup");
> ...which was my fault. :) Please have a look at
>
> https://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can.git/log/?h=testing
>
> ...if I've collected every m_can related patch.

Is this still relevant or have you pulled this in?

It looks good to me.

Dan