From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Saravana Kannan <saravanak@google.com>
Cc: Alexander Stein <alexander.stein@ew.tq-group.com>,
Tony Lindgren <tony@atomide.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Kevin Hilman <khilman@kernel.org>,
Ulf Hansson <ulf.hansson@linaro.org>,
Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>,
Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
Andrew Lunn <andrew@lunn.ch>,
Heiner Kallweit <hkallweit1@gmail.com>,
Russell King <linux@armlinux.org.uk>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Linus Walleij <linus.walleij@linaro.org>,
Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
David Ahern <dsahern@kernel.org>,
Android Kernel Team <kernel-team@android.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux PM list <linux-pm@vger.kernel.org>,
Linux IOMMU <iommu@lists.linux-foundation.org>,
netdev <netdev@vger.kernel.org>,
"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>
Subject: Re: [PATCH v2 1/9] PM: domains: Delete usage of driver_deferred_probe_check_state()
Date: Fri, 1 Jul 2022 09:30:28 +0200 [thread overview]
Message-ID: <CAMuHMdUJbWtTvDdtJGcDKfdULA+uqo_HGaiOz4p2UjszAJtsRQ@mail.gmail.com> (raw)
In-Reply-To: <CAGETcx_1qa=gGT4LVkyPpcA1vFM9FzuJE+0DhL_nFyg5cbFjVg@mail.gmail.com>
Hi Saravana,
On Fri, Jul 1, 2022 at 2:37 AM Saravana Kannan <saravanak@google.com> wrote:
> On Thu, Jun 23, 2022 at 5:08 AM Alexander Stein
> <alexander.stein@ew.tq-group.com> wrote:
> > Am Dienstag, 21. Juni 2022, 09:28:43 CEST schrieb Tony Lindgren:
> > > * Saravana Kannan <saravanak@google.com> [700101 02:00]:
> > > > Now that fw_devlink=on by default and fw_devlink supports
> > > > "power-domains" property, the execution will never get to the point
> > > > where driver_deferred_probe_check_state() is called before the supplier
> > > > has probed successfully or before deferred probe timeout has expired.
> > > >
> > > > So, delete the call and replace it with -ENODEV.
> > >
> > > Looks like this causes omaps to not boot in Linux next. With this
> > > simple-pm-bus fails to probe initially as the power-domain is not
> > > yet available. On platform_probe() genpd_get_from_provider() returns
> > > -ENOENT.
> > >
> > > Seems like other stuff is potentially broken too, any ideas on
> > > how to fix this?
> >
> > I think I'm hit by this as well, although I do not get a lockup.
> > In my case I'm using arch/arm64/boot/dts/freescale/imx8mq-tqma8mq-mba8mx.dts
> > and probing of 38320000.blk-ctrl fails as the power-domain is not (yet)
> > registed.
>
> Ok, took a look.
>
> The problem is that there are two drivers for the same device and they
> both initialize this device.
>
> gpc: gpc@303a0000 {
> compatible = "fsl,imx8mq-gpc";
> }
>
> $ git grep -l "fsl,imx7d-gpc" -- drivers/
> drivers/irqchip/irq-imx-gpcv2.c
> drivers/soc/imx/gpcv2.c
You missed the "driver" in arch/arm/mach-imx/src.c ;-)
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2022-07-01 7:30 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-01 7:06 [PATCH v2 0/9] deferred_probe_timeout logic clean up Saravana Kannan
2022-06-01 7:06 ` [PATCH v2 1/9] PM: domains: Delete usage of driver_deferred_probe_check_state() Saravana Kannan
2022-06-09 11:44 ` Ulf Hansson
2022-06-09 19:29 ` Saravana Kannan
2022-06-21 7:28 ` Tony Lindgren
2022-06-21 19:34 ` Saravana Kannan
2022-06-22 4:58 ` Tony Lindgren
2022-06-22 19:09 ` Saravana Kannan
2022-06-23 7:01 ` Tony Lindgren
2022-06-23 8:21 ` Saravana Kannan
2022-06-27 9:10 ` Tony Lindgren
2022-06-30 23:10 ` Saravana Kannan
2022-06-30 23:26 ` Rob Herring
2022-06-30 23:30 ` Saravana Kannan
2022-07-01 5:33 ` Tony Lindgren
2022-07-01 6:12 ` Tony Lindgren
2022-07-01 8:10 ` Saravana Kannan
2022-07-01 8:26 ` Saravana Kannan
2022-07-01 13:00 ` Tony Lindgren
2022-07-12 7:12 ` Tony Lindgren
2022-07-13 0:49 ` Saravana Kannan
2022-07-13 8:06 ` Tony Lindgren
2022-07-01 15:08 ` Sudeep Holla
2022-07-01 19:13 ` Saravana Kannan
2022-07-05 8:44 ` Saravana Kannan
2022-07-01 7:38 ` Geert Uytterhoeven
2022-06-23 12:08 ` Alexander Stein
2022-07-01 0:37 ` Saravana Kannan
2022-07-01 6:01 ` (EXT) " Alexander Stein
2022-07-01 7:02 ` Saravana Kannan
2022-07-04 7:07 ` (EXT) " Alexander Stein
2022-07-05 1:24 ` Saravana Kannan
2022-07-06 13:02 ` Re: " Alexander Stein
2022-07-13 0:45 ` Saravana Kannan
2022-07-14 6:41 ` Alexander Stein
2022-07-15 22:08 ` Saravana Kannan
2022-07-01 7:30 ` Geert Uytterhoeven [this message]
2022-06-01 7:06 ` [PATCH v2 2/9] pinctrl: devicetree: " Saravana Kannan
2022-06-01 7:06 ` [PATCH v2 3/9] net: mdio: " Saravana Kannan
2022-07-05 9:11 ` Geert Uytterhoeven
2022-07-13 1:40 ` Saravana Kannan
2022-07-13 11:39 ` Geert Uytterhoeven
2022-08-15 8:38 ` Geert Uytterhoeven
2022-06-01 7:07 ` [PATCH v2 4/9] driver core: Add wait_for_init_devices_probe helper function Saravana Kannan
2022-06-01 7:07 ` [PATCH v2 5/9] net: ipconfig: Relax fw_devlink if we need to mount a network rootfs Saravana Kannan
2022-06-01 7:07 ` [PATCH v2 6/9] Revert "driver core: Set default deferred_probe_timeout back to 0." Saravana Kannan
2022-07-20 17:31 ` Geert Uytterhoeven
2022-07-20 19:01 ` Saravana Kannan
2022-07-21 8:40 ` Geert Uytterhoeven
2022-06-01 7:07 ` [PATCH v2 7/9] driver core: Set fw_devlink.strict=1 by default Saravana Kannan
2022-06-22 7:47 ` Sascha Hauer
2022-06-22 8:44 ` Linus Walleij
2022-06-22 10:52 ` Andy Shevchenko
2022-06-22 11:18 ` Sascha Hauer
2022-06-22 19:40 ` Saravana Kannan
2022-06-22 20:35 ` Saravana Kannan
2022-06-22 22:30 ` Saravana Kannan
2022-06-28 13:09 ` Linus Walleij
2022-06-01 7:07 ` [PATCH v2 8/9] iommu/of: Delete usage of driver_deferred_probe_check_state() Saravana Kannan
2022-08-19 14:26 ` Jean-Philippe Brucker
2022-06-01 7:07 ` [PATCH v2 9/9] driver core: Delete driver_deferred_probe_check_state() Saravana Kannan
2022-06-07 18:07 ` [PATCH v2 0/9] deferred_probe_timeout logic clean up Geert Uytterhoeven
2022-06-08 0:55 ` Saravana Kannan
2022-06-08 4:17 ` Saravana Kannan
2022-06-08 10:25 ` Geert Uytterhoeven
2022-06-08 18:12 ` Saravana Kannan
2022-06-08 18:47 ` Geert Uytterhoeven
2022-06-08 21:07 ` Saravana Kannan
2022-06-08 22:49 ` Jakub Kicinski
2022-06-08 23:15 ` Saravana Kannan
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