From: Florian Fainelli <f.fainelli@gmail.com>
To: Shawn Guo <shawn.guo@linaro.org>, Marc Zyngier <maz@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>
Cc: Maulik Shah <quic_mkshah@quicinc.com>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Loic Poulain <loic.poulain@linaro.org>,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
Claudiu Beznea <claudiu.beznea@microchip.com>,
Neil Armstrong <narmstrong@baylibre.com>
Subject: Re: [PATCH v3 1/3] irqchip: Pass platform_device pointer to init_cb
Date: Thu, 2 Dec 2021 09:52:55 -0800 [thread overview]
Message-ID: <b221fec0-43d0-537d-d78e-84da10a9c2d7@gmail.com> (raw)
In-Reply-To: <20211202122122.23548-2-shawn.guo@linaro.org>
On 12/2/21 4:21 AM, Shawn Guo wrote:
> It makes sense to just pass device_node for callback in IRQCHIP_DECLARE
> case, but not so much for IRQCHIP_PLATFORM_DRIVER one, because
> platform_driver probe/init usually needs device pointer for various
> purposes, e.g. resource allocation, service request, device prefixed
> message output, etc. Create a new callback type irqchip_init_cb_t which
> takes platform_device pointer as parameter, and update the existing
> IRQCHIP_PLATFORM_DRIVER users accordingly.
>
> Cc: Florian Fainelli <f.fainelli@gmail.com>
> Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
> Cc: Neil Armstrong <narmstrong@baylibre.com>
> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Could you copy all recipients on all 3 patches plus your cover letter
next time so we have the full context? Thanks!
[snip]
>
> -static int __init bcm7120_l2_intc_probe_7120(struct device_node *dn,
> +static int __init bcm7120_l2_intc_probe_7120(struct platform_device *pdev,
> struct device_node *parent)
> {
> - return bcm7120_l2_intc_probe(dn, parent, bcm7120_l2_intc_iomap_7120,
> + return bcm7120_l2_intc_probe(pdev->dev.of_node, parent,
> + bcm7120_l2_intc_iomap_7120,
> "BCM7120 L2");
If you look further into that driver, you will see that we do something
like this in bcm7120_l2_intc_probe:
pdev = of_find_device_by_node(dn);
if (!pdev) {
ret = -ENODEV;
goto out_free_data;
}
which would be completely superfluous now that we pass a platform_device
directly. Can you rework your patch so as to eliminate that
of_find_device_by_ndoe() (and the companion put_device call)?
--
Florian
next prev parent reply other threads:[~2021-12-02 17:53 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-02 12:21 [PATCH v3 0/3] Add Qualcomm MPM irqchip driver support Shawn Guo
2021-12-02 12:21 ` [PATCH v3 1/3] irqchip: Pass platform_device pointer to init_cb Shawn Guo
2021-12-02 17:52 ` Florian Fainelli [this message]
2021-12-02 19:10 ` Marc Zyngier
2021-12-02 21:44 ` Florian Fainelli
2021-12-06 6:40 ` Shawn Guo
2021-12-06 8:29 ` Marc Zyngier
2021-12-06 6:35 ` Shawn Guo
2021-12-02 12:21 ` [PATCH v3 2/3] dt-bindings: interrupt-controller: Add Qualcomm MPM support Shawn Guo
2021-12-02 12:21 ` [PATCH v3 3/3] irqchip: Add Qualcomm MPM controller driver Shawn Guo
2021-12-03 0:00 ` kernel test robot
2021-12-06 9:46 ` Marc Zyngier
2021-12-06 13:15 ` Shawn Guo
2021-12-06 13:48 ` Marc Zyngier
2021-12-07 9:48 ` Shawn Guo
2021-12-07 10:16 ` Marc Zyngier
2021-12-08 10:04 ` Shawn Guo
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=b221fec0-43d0-537d-d78e-84da10a9c2d7@gmail.com \
--to=f.fainelli@gmail.com \
--cc=bjorn.andersson@linaro.org \
--cc=claudiu.beznea@microchip.com \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=loic.poulain@linaro.org \
--cc=maz@kernel.org \
--cc=narmstrong@baylibre.com \
--cc=quic_mkshah@quicinc.com \
--cc=shawn.guo@linaro.org \
--cc=tglx@linutronix.de \
/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).