From: "Niklas Söderlund" <niklas.soderlund@ragnatech.se>
To: Jiada Wang <jiada_wang@mentor.com>
Cc: rui.zhang@intel.com, edubezval@gmail.com,
daniel.lezcano@linaro.org, linux-pm@vger.kernel.org,
linux-kernel@vger.kernel.org, horms+renesas@verge.net.au,
geert+renesas@glider.be, sergei.shtylyov@cogentembedded.com,
marek.vasut+renesas@gmail.com, kuninori.morimoto.gx@renesas.com,
hien.dang.eb@renesas.com, fabrizio.castro@bp.renesas.com,
dien.pham.ry@renesas.com, biju.das@bp.renesas.com,
erosca@de.adit-jv.com, george_davis@mentor.com,
joshua_frkuska@mentor.com
Subject: Re: [PATCH v4 0/2] thermal: rcar_gen3_thermal: fix IRQ issues
Date: Wed, 8 May 2019 01:54:03 +0200 [thread overview]
Message-ID: <20190507235403.GA24112@bigcity.dyn.berto.se> (raw)
In-Reply-To: <20190424051145.23072-1-jiada_wang@mentor.com>
Hi Jiada,
Thanks for your patches.
On 2019-04-24 14:11:43 +0900, Jiada Wang wrote:
> There are issues with interrupt handling in rcar_gen3_thermal driver.
>
> Currently IRQ is remain enabled after .remove, later if device is probed,
> IRQ is requested before .thermal_init, this may cause IRQ function be
> triggered but not able to clear IRQ status, thus cause system to hang.
>
> Since the irq line isn't shared between different devices,
> so the proper interrupt type flag should be IRQF_ONESHOT.
>
> This patch-set fix these interrupt handling retated issues.
I really like this series, nice work.
Tested-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
>
> ---
> v4: remove 'spinlock_t lock'
> add Fixes tag in ("thermal: rcar_gen3_thermal: fix interrupt type")
> fix typos in ("thermal: rcar_gen3_thermal: disable interrupt in .remove")
>
> v3: fix to use correct code base
> remove unused "flag" variable in rcar_gen3_thermal_irq
>
> v2: use irq type IRQF_ONESHOT instead of IRQF_SHARED
> disable interrupt in .remove
>
> v1: initial version
>
> Jiada Wang (2):
> thermal: rcar_gen3_thermal: fix interrupt type
> thermal: rcar_gen3_thermal: disable interrupt in .remove
>
> drivers/thermal/rcar_gen3_thermal.c | 41 +++++++----------------------
> 1 file changed, 9 insertions(+), 32 deletions(-)
>
> --
> 2.19.2
>
--
Regards,
Niklas Söderlund
next prev parent reply other threads:[~2019-05-07 23:54 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-24 5:11 [PATCH v4 0/2] thermal: rcar_gen3_thermal: fix IRQ issues Jiada Wang
2019-04-24 5:11 ` Jiada Wang
2019-04-24 5:11 ` [PATCH v4 1/2] thermal: rcar_gen3_thermal: fix interrupt type Jiada Wang
2019-04-24 5:11 ` Jiada Wang
2019-04-24 9:23 ` Simon Horman
2019-04-24 9:23 ` Simon Horman
2019-04-24 9:31 ` Daniel Lezcano
2019-04-24 9:31 ` Daniel Lezcano
2019-04-24 12:28 ` Eugeniu Rosca
2019-04-24 12:28 ` Eugeniu Rosca
2019-04-24 5:11 ` [PATCH v4 2/2] thermal: rcar_gen3_thermal: disable interrupt in .remove Jiada Wang
2019-04-24 5:11 ` Jiada Wang
2019-04-24 9:23 ` Simon Horman
2019-04-24 9:23 ` Simon Horman
2019-04-24 9:38 ` Daniel Lezcano
2019-04-24 9:38 ` Daniel Lezcano
2019-04-24 12:31 ` Eugeniu Rosca
2019-04-24 12:31 ` Eugeniu Rosca
2019-04-24 6:51 ` [PATCH v4 0/2] thermal: rcar_gen3_thermal: fix IRQ issues Niklas Söderlund
2019-04-24 6:51 ` Niklas Söderlund
2019-04-24 12:09 ` Eugeniu Rosca
2019-04-24 12:09 ` Eugeniu Rosca
2019-05-07 23:54 ` Niklas Söderlund [this message]
2019-05-07 23:54 ` Niklas Söderlund
2019-05-10 10:42 ` Eugeniu Rosca
2019-05-10 10:42 ` Eugeniu Rosca
2019-05-10 11:36 ` Niklas Söderlund
2019-05-10 11:36 ` Niklas Söderlund
2019-05-10 15:50 ` Eugeniu Rosca
2019-05-10 15:50 ` Eugeniu Rosca
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=20190507235403.GA24112@bigcity.dyn.berto.se \
--to=niklas.soderlund@ragnatech.se \
--cc=biju.das@bp.renesas.com \
--cc=daniel.lezcano@linaro.org \
--cc=dien.pham.ry@renesas.com \
--cc=edubezval@gmail.com \
--cc=erosca@de.adit-jv.com \
--cc=fabrizio.castro@bp.renesas.com \
--cc=geert+renesas@glider.be \
--cc=george_davis@mentor.com \
--cc=hien.dang.eb@renesas.com \
--cc=horms+renesas@verge.net.au \
--cc=jiada_wang@mentor.com \
--cc=joshua_frkuska@mentor.com \
--cc=kuninori.morimoto.gx@renesas.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=marek.vasut+renesas@gmail.com \
--cc=rui.zhang@intel.com \
--cc=sergei.shtylyov@cogentembedded.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox