linux-kernel - Re: [PATCH] extcon: palmas: Fix boot up state of VBUS when using GPIO detection

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Date:	Wed, 15 Jun 2016 09:47:50 +0300
From:	Roger Quadros <rogerq@...com>
To:	Chanwoo Choi <cw00.choi@...sung.com>, <myungjoo.ham@...sung.com>
CC:	<balbi@...nel.org>, <nm@...com>, <grygorii.strashko@...com>,
	<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>
Subject: Re: [PATCH] extcon: palmas: Fix boot up state of VBUS when using GPIO
 detection

On 15/06/16 04:57, Chanwoo Choi wrote:
> On 2016년 06월 14일 23:04, Roger Quadros wrote:
>> If USB cable is connected prior to boot, we don't get any interrupts
>> so we must manually check the VBUS state and report it during probe.
>> If we don't do it then USB controller will never know that peripheral
>> cable was connected till the user unplugs and replugs the cable.
>>
>> Fixes: b7aad8e2685b ("extcon: palmas: Add the support for VBUS detection by using GPIO")
>> Signed-off-by: Roger Quadros <rogerq@...com>
>> ---
>>  drivers/extcon/extcon-palmas.c | 2 ++
>>  1 file changed, 2 insertions(+)
>>
>> diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c
>> index 8b3226d..caff46c 100644
>> --- a/drivers/extcon/extcon-palmas.c
>> +++ b/drivers/extcon/extcon-palmas.c
>> @@ -360,6 +360,8 @@ static int palmas_usb_probe(struct platform_device *pdev)
>>  
>>  	palmas_enable_irq(palmas_usb);
>>  	/* perform initial detection */
>> +	if (palmas_usb->enable_gpio_vbus_detection)
>> +		palmas_vbus_irq_handler(palmas_usb->gpio_vbus_irq, palmas_usb);
>>  	palmas_gpio_id_detect(&palmas_usb->wq_detectid.work);
>>  	device_set_wakeup_capable(&pdev->dev, true);
>>  	return 0;
>>
> 
> Applied it.

Thanks. But this is a bug fix and must go in v4.7-rc
as well as stable v4.6+.

Can you please add

Cc: stable@...r.kernel.org # v4.6+

--
cheers,
-roger