From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Stephen Boyd <sboyd@codeaurora.org>
Cc: Linus Walleij <linus.walleij@linaro.org>,
linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Timur Tabi <timur@codeaurora.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
linux-gpio@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH 1/3] gpiolib: Export gpiochip_irqchip_irq_valid() to drivers
Date: Tue, 9 Jan 2018 22:16:21 -0800 [thread overview]
Message-ID: <20180110061621.GQ12655@minitux> (raw)
In-Reply-To: <20180110015848.11480-2-sboyd@codeaurora.org>
On Tue 09 Jan 17:58 PST 2018, Stephen Boyd wrote:
> Some pinctrl drivers can use the gpiochip irq valid information
> to figure out if certain gpios are exposed to the kernel for
> usage or not. Expose this API so we can use it in the
> pinmux_ops::request ops.
>
> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Regards,
Bjorn
> ---
> drivers/gpio/gpiolib.c | 5 +++--
> include/linux/gpio/driver.h | 3 +++
> 2 files changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
> index b80936a25caa..c18b7b60ea1d 100644
> --- a/drivers/gpio/gpiolib.c
> +++ b/drivers/gpio/gpiolib.c
> @@ -1503,14 +1503,15 @@ static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gpiochip)
> gpiochip->irq.valid_mask = NULL;
> }
>
> -static bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip,
> - unsigned int offset)
> +bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip,
> + unsigned int offset)
> {
> /* No mask means all valid */
> if (likely(!gpiochip->irq.valid_mask))
> return true;
> return test_bit(offset, gpiochip->irq.valid_mask);
> }
> +EXPORT_SYMBOL_GPL(gpiochip_irqchip_irq_valid);
>
> /**
> * gpiochip_set_cascaded_irqchip() - connects a cascaded irqchip to a gpiochip
> diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
> index 7258cd676df4..1ba9a331ec51 100644
> --- a/include/linux/gpio/driver.h
> +++ b/include/linux/gpio/driver.h
> @@ -436,6 +436,9 @@ int gpiochip_irqchip_add_key(struct gpio_chip *gpiochip,
> struct lock_class_key *lock_key,
> struct lock_class_key *request_key);
>
> +bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip,
> + unsigned int offset);
> +
> #ifdef CONFIG_LOCKDEP
>
> /*
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
next prev parent reply other threads:[~2018-01-10 6:16 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-10 1:58 [PATCH 0/3] Support qcom pinctrl protected pins Stephen Boyd
[not found] ` <20180110015848.11480-1-sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-01-10 1:58 ` [PATCH 1/3] gpiolib: Export gpiochip_irqchip_irq_valid() to drivers Stephen Boyd
2018-01-10 6:16 ` Bjorn Andersson [this message]
2018-01-10 13:22 ` Linus Walleij
2018-01-10 1:58 ` [PATCH 2/3] dt-bindings: pinctrl: Add a ngpios-ranges property Stephen Boyd
2018-01-10 12:54 ` Andy Shevchenko
[not found] ` <20180110015848.11480-3-sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-01-10 13:37 ` Linus Walleij
2018-01-10 16:37 ` Stephen Boyd
2018-01-10 17:59 ` Andy Shevchenko
2018-01-11 16:33 ` Grant Likely
2018-01-11 16:36 ` Timur Tabi
2018-01-11 19:56 ` Grant Likely
2018-01-10 1:58 ` [PATCH 3/3] pinctrl: qcom: Don't allow protected pins to be requested Stephen Boyd
2018-01-10 6:11 ` Bjorn Andersson
2018-01-22 13:55 ` Timur Tabi
2018-01-22 20:03 ` Timur Tabi
2018-01-25 21:51 ` Stephen Boyd
2018-01-25 21:53 ` Timur Tabi
2018-01-25 20:48 ` Timur Tabi
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180110061621.GQ12655@minitux \
--to=bjorn.andersson@linaro.org \
--cc=andriy.shevchenko@linux.intel.com \
--cc=devicetree@vger.kernel.org \
--cc=linus.walleij@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-gpio@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=sboyd@codeaurora.org \
--cc=timur@codeaurora.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).