linux-kernel - RE: [PATCH v2 1/1] gpio: gpio-wcove: fix GPIO IRQ status mask

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Message-ID: <4460FA1017EA3844B646E90DA4E984057E358D94@ORSMSX112.amr.corp.intel.com>
Date:   Wed, 26 Apr 2017 16:42:02 +0000
From:   "Gao, Bin" <bin.gao@...el.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
CC:     Alexandre Courbot <gnurou@...il.com>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "sathyaosid@...il.com" <sathyaosid@...il.com>
Subject: RE: [PATCH v2 1/1] gpio: gpio-wcove: fix GPIO IRQ status mask

On Wed, April 26, 2017 at 7:26 AM, Linus Walleij wrote:
>On Mon, Apr 24, 2017 at 9:15 PM,
><sathyanarayanan.kuppuswamy@...ux.intel.com> wrote:
>
>> From: Kuppuswamy Sathyanarayanan 
>> <sathyanarayanan.kuppuswamy@...ux.intel.com>
>>
>> According to Whiskey Cove PMIC spec, bit 7 of GPIOIRQ0_REG belongs to 
>> battery IO. So we should skip this bit when checking for GPIO IRQ 
>> pending status. Otherwise, wcove_gpio_irq_handler() might go into the 
>> infinite loop until IRQ "pending" status becomes 0. This patch fixes this issue.
>>
>> Signed-off-by: Kuppuswamy Sathyanarayanan 
>> <sathyanarayanan.kuppuswamy@...ux.intel.com>
>
>Looks fine to me, tentatively applied.
>
>Bin, Mika, Andy, OK?
>
>Yours,
>Linus Walleij

Looks reasonable to me.

Thanks,
Bin