From: Stephen Boyd <sboyd@codeaurora.org>
To: Timur Tabi <timur@codeaurora.org>
Cc: linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org,
Linus Walleij <linus.walleij@linaro.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
thierry.reding@gmail.com, david.brown@linaro.org,
andy.gross@linaro.org,
Bjorn Andersson <bjorn.andersson@linaro.org>
Subject: Re: [PATCH 3/4] [v6] pinctrl: qcom: disable GPIO groups with no pins
Date: Fri, 17 Nov 2017 09:46:17 -0800 [thread overview]
Message-ID: <20171117174617.GA29777@codeaurora.org> (raw)
In-Reply-To: <dff45d26-e9df-6a4f-00a9-7d9ec5cbdf49@codeaurora.org>
On 11/16, Timur Tabi wrote:
> On 11/16/17 8:43 PM, Stephen Boyd wrote:
> >>Most access to unavailable GPIOs can be blocked via the gpio_chip.request
> >>function. The one exception is when gpiochip_add_data() scans all of
>
> >If patch 1 is applied is this statement still true?
>
> Nope.
>
Ok. So what's the point of this patch then? Put another way, is
there some path that doesn't request the gpio still even with
patch 1 applied?
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
WARNING: multiple messages have this Message-ID (diff)
From: sboyd@codeaurora.org (Stephen Boyd)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/4] [v6] pinctrl: qcom: disable GPIO groups with no pins
Date: Fri, 17 Nov 2017 09:46:17 -0800 [thread overview]
Message-ID: <20171117174617.GA29777@codeaurora.org> (raw)
In-Reply-To: <dff45d26-e9df-6a4f-00a9-7d9ec5cbdf49@codeaurora.org>
On 11/16, Timur Tabi wrote:
> On 11/16/17 8:43 PM, Stephen Boyd wrote:
> >>Most access to unavailable GPIOs can be blocked via the gpio_chip.request
> >>function. The one exception is when gpiochip_add_data() scans all of
>
> >If patch 1 is applied is this statement still true?
>
> Nope.
>
Ok. So what's the point of this patch then? Put another way, is
there some path that doesn't request the gpio still even with
patch 1 applied?
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2017-11-17 17:46 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-07 23:07 [PATCH 0/4] [v7] pinctrl: qcom: add support for sparse GPIOs Timur Tabi
2017-11-07 23:07 ` Timur Tabi
2017-11-07 23:07 ` [PATCH 1/4] [v2] Revert "gpio: set up initial state from .get_direction()" Timur Tabi
2017-11-07 23:07 ` Timur Tabi
2017-11-07 23:07 ` [PATCH 2/4] gpiolib: add bitmask for valid GPIO lines Timur Tabi
2017-11-07 23:07 ` Timur Tabi
[not found] ` <b2b5374b-17a6-e068-ef8b-edc90d34c352@codeaurora.org>
2017-11-15 6:28 ` Fwd: " Varadarajan Narayanan
2017-11-15 6:28 ` Varadarajan Narayanan
2017-11-15 11:38 ` Andy Shevchenko
2017-11-15 11:38 ` Andy Shevchenko
2017-11-15 15:15 ` Timur Tabi
2017-11-15 15:15 ` Timur Tabi
2017-12-01 11:38 ` Archit Taneja
2017-12-01 11:38 ` Archit Taneja
2017-12-01 17:16 ` Timur Tabi
2017-12-01 17:16 ` Timur Tabi
2017-11-07 23:07 ` [PATCH 3/4] [v6] pinctrl: qcom: disable GPIO groups with no pins Timur Tabi
2017-11-07 23:07 ` Timur Tabi
2017-11-17 2:43 ` Stephen Boyd
2017-11-17 2:43 ` Stephen Boyd
2017-11-17 2:58 ` Timur Tabi
2017-11-17 2:58 ` Timur Tabi
2017-11-17 17:46 ` Stephen Boyd [this message]
2017-11-17 17:46 ` Stephen Boyd
2017-11-17 17:49 ` Timur Tabi
2017-11-17 17:49 ` Timur Tabi
2017-11-17 21:42 ` Stephen Boyd
2017-11-17 21:42 ` Stephen Boyd
2017-11-17 21:44 ` Timur Tabi
2017-11-17 21:44 ` Timur Tabi
2017-11-07 23:07 ` [PATCH 4/4] [v3] pinctrl: qcom: qdf2xxx: add support for new ACPI HID QCOM8002 Timur Tabi
2017-11-07 23:07 ` Timur Tabi
[not found] ` <133cd447-c5c8-2b3e-1ae2-484307d5e39d@codeaurora.org>
2017-11-15 6:47 ` Fwd: " Varadarajan Narayanan
2017-11-15 6:47 ` Varadarajan Narayanan
2017-11-15 15:14 ` Timur Tabi
2017-11-15 15:14 ` Timur Tabi
2017-11-13 19:19 ` [PATCH 0/4] [v7] pinctrl: qcom: add support for sparse GPIOs Timur Tabi
2017-11-13 19:19 ` Timur Tabi
2017-11-13 21:49 ` Linus Walleij
2017-11-13 21:49 ` Linus Walleij
2017-11-13 21:53 ` Timur Tabi
2017-11-13 21:53 ` Timur Tabi
2017-11-14 10:03 ` Linus Walleij
2017-11-14 10:03 ` Linus Walleij
2017-11-15 15:06 ` Timur Tabi
2017-11-15 15:06 ` Timur Tabi
-- strict thread matches above, loose matches on Subject: below --
2017-10-30 20:49 [PATCH 0/4] [v6] " Timur Tabi
2017-10-30 20:50 ` [PATCH 3/4] [v6] pinctrl: qcom: disable GPIO groups with no pins Timur Tabi
2017-10-30 20:50 ` Timur Tabi
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