From: Lee Jones <lee.jones@linaro.org>
To: Brian Masney <masneyb@onstation.org>
Cc: linus.walleij@linaro.org, sboyd@kernel.org,
bjorn.andersson@linaro.org, andy.gross@linaro.org,
marc.zyngier@arm.com, tglx@linutronix.de, shawnguo@kernel.org,
dianders@chromium.org, linux-gpio@vger.kernel.org,
nicolas.dechesne@linaro.org, niklas.cassel@linaro.org,
david.brown@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com,
thierry.reding@gmail.com, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v2 05/11] mfd: pm8xxx: disassociate old virq if hwirq mapping already exists
Date: Tue, 12 Feb 2019 08:39:16 +0000 [thread overview]
Message-ID: <20190212083916.GV20638@dell> (raw)
In-Reply-To: <20190208021631.30252-6-masneyb@onstation.org>
On Thu, 07 Feb 2019, Brian Masney wrote:
> Check to see if the hwirq is already associated with another virq on
> this IRQ domain. If so, then disassociate it before associating the
> hwirq with the new virq.
>
> This is a temporary hack that is needed in order to not break git
> bisect for existing boards. The next patch in this series converts
> ssbi-gpio to be a hierarchical IRQ chip, then there are several patches
> to update all of the device tree files, and finally this patch will be
> reverted within the same patch series.
>
> IRQs for ssbi-gpio are all initially setup without an IRQ hierarchy
> this driver is probed due to the interrupts property in device tree.
> Once ssbi-gpio is converted to be a hierarchical IRQ chip in the next
> patch, existing users of gpio[d]_to_irq() will call pmic_gpio_to_irq(),
> and that will use the new IRQ chip code in ssbi-gpio that sets up the
> IRQ in an IRQ hierarchy. The hwirq is now associated with two Linux
> virqs and interrupts will not work as expected. This patch corrects
> that issue.
>
> This change was tested on an APQ8060 DragonBoard.
>
> Signed-off-by: Brian Masney <masneyb@onstation.org>
> Tested-by: Linus Walleij <linus.walleij@linaro.org>
> ---
> Changes since v1:
> - None
>
> drivers/mfd/qcom-pm8xxx.c | 6 ++++++
> 1 file changed, 6 insertions(+)
For Linus:
Acked-by: Lee Jones <lee.jones@linaro.org>
--
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
next prev parent reply other threads:[~2019-02-12 8:39 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-08 2:16 [PATCH v2 00/11] qcom: ssbi-gpio: add support for hierarchical IRQ chip Brian Masney
2019-02-08 2:16 ` [PATCH v2 01/11] pinctrl: qcom: ssbi-gpio: hardcode IRQ counts Brian Masney
2019-02-08 2:16 ` [PATCH v2 02/11] genirq: introduce irq_domain_translate_twocell Brian Masney
2019-02-08 13:25 ` Marc Zyngier
2019-02-08 2:16 ` [PATCH v2 03/11] genirq: introduce irq_chip_mask_ack_parent() Brian Masney
2019-02-08 2:16 ` [PATCH v2 04/11] mfd: pm8xxx: convert to v2 irq interfaces to support hierarchical IRQ chips Brian Masney
2019-02-12 8:38 ` Lee Jones
2019-02-08 2:16 ` [PATCH v2 05/11] mfd: pm8xxx: disassociate old virq if hwirq mapping already exists Brian Masney
2019-02-12 8:39 ` Lee Jones [this message]
2019-02-15 5:51 ` Stephen Boyd
2019-02-15 13:47 ` Brian Masney
2019-02-15 21:28 ` Stephen Boyd
2019-02-16 0:23 ` Brian Masney
2019-02-21 18:47 ` Stephen Boyd
2019-02-22 8:57 ` Marc Zyngier
2019-02-22 9:07 ` Linus Walleij
2019-02-22 9:07 ` Linus Walleij
2019-02-08 2:16 ` [PATCH v2 06/11] qcom: ssbi-gpio: add support for hierarchical IRQ chip Brian Masney
2019-02-08 2:16 ` [PATCH v2 07/11] arm: dts: qcom: apq8064: add interrupt controller properties Brian Masney
2019-02-08 2:16 ` [PATCH v2 08/11] arm: dts: qcom: msm8660: " Brian Masney
2019-02-08 2:16 ` [PATCH v2 09/11] arm: dts: qcom: mdm9615: " Brian Masney
2019-02-08 2:16 ` [PATCH v2 10/11] ARM: dts: qcom-apq8060: Fix up interrupt parents Brian Masney
2019-02-08 2:16 ` [PATCH v2 11/11] mfd: pm8xxx: revert "disassociate old virq if hwirq mapping already exists" Brian Masney
2019-02-12 8:20 ` Lee Jones
2019-02-11 13:33 ` [PATCH v2 00/11] qcom: ssbi-gpio: add support for hierarchical IRQ chip Linus Walleij
2019-02-13 8:38 ` Linus Walleij
2019-02-13 8:38 ` Linus Walleij
2019-02-21 11:59 ` Linus Walleij
2019-02-21 11:59 ` Linus Walleij
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=20190212083916.GV20638@dell \
--to=lee.jones@linaro.org \
--cc=andy.gross@linaro.org \
--cc=bjorn.andersson@linaro.org \
--cc=david.brown@linaro.org \
--cc=devicetree@vger.kernel.org \
--cc=dianders@chromium.org \
--cc=linus.walleij@linaro.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-gpio@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=marc.zyngier@arm.com \
--cc=mark.rutland@arm.com \
--cc=masneyb@onstation.org \
--cc=nicolas.dechesne@linaro.org \
--cc=niklas.cassel@linaro.org \
--cc=robh+dt@kernel.org \
--cc=sboyd@kernel.org \
--cc=shawnguo@kernel.org \
--cc=tglx@linutronix.de \
--cc=thierry.reding@gmail.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.