On Wed, Jan 27, 2016 at 11:05 AM, Bamvor Zhang Jian <bamvor.zhangjian@xxxxxxxxxx> wrote: > From the api(ioctl GPIO_GET_CHIPINFO_IOCTL: gpiochip_info), it seems > that I could list all the gpiochips or list only one gpiochip. But > I could not list gpiochip belongs to one gpio driver. I think you can get that information from parsing sysfs? Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH 3/6] gpio: add a userspace chardev ABI for GPIOs
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- Subject: Re: [PATCH 3/6] gpio: add a userspace chardev ABI for GPIOs
- From: Linus Walleij <linus.walleij@xxxxxxxxxx>
- Date: Thu, 28 Jan 2016 12:14:30 +0100
- In-reply-to: <CAFy1USR62NooHEjHw0nJmsuHRuq0QDhKentjf40gDOqC+HPrdg@mail.gmail.com>
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