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Message-ID: <DU0PR04MB9417D2C1941420921426398188709@DU0PR04MB9417.eurprd04.prod.outlook.com>
Date: Tue, 23 Aug 2022 09:02:44 +0000
From: Peng Fan <peng.fan@....com>
To: Saravana Kannan <saravanak@...gle.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"Rafael J. Wysocki" <rafael@...nel.org>,
Kevin Hilman <khilman@...nel.org>,
Ulf Hansson <ulf.hansson@...aro.org>,
Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>,
Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
Robin Murphy <robin.murphy@....com>,
Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>,
Russell King <linux@...linux.org.uk>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>
CC: Luca Weiss <luca.weiss@...rphone.com>,
Doug Anderson <dianders@...omium.org>,
Colin Foster <colin.foster@...advantage.com>,
Tony Lindgren <tony@...mide.com>,
Alexander Stein <alexander.stein@...tq-group.com>,
Naresh Kamboju <naresh.kamboju@...aro.org>,
Geert Uytterhoeven <geert@...ux-m68k.org>,
Jean-Philippe Brucker <jpb@...nel.org>,
"kernel-team@...roid.com" <kernel-team@...roid.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
"iommu@...ts.linux.dev" <iommu@...ts.linux.dev>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH v2 3/4] Revert "PM: domains: Delete usage of
driver_deferred_probe_check_state()"
> Subject: [PATCH v2 3/4] Revert "PM: domains: Delete usage of
> driver_deferred_probe_check_state()"
>
> This reverts commit 5a46079a96451cfb15e4f5f01f73f7ba24ef851a.
>
> Quite a few issues have been reported [1][2][3][4][5][6] on the original
> commit. While about half of them have been fixed, I'll need to fix the rest
> before driver_deferred_probe_check_state() can be deleted. So, revert the
> deletion for now.
>
> [1] -
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.
> kernel.org%2Fall%2FDU0PR04MB941735271F45C716342D0410886B9%40DU
> 0PR04MB9417.eurprd04.prod.outlook.com%2F&data=05%7C01%7Cpe
> ng.fan%40nxp.com%7Ce5c97577ea9c4d34e28008da8230773f%7C686ea1d3
> bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637965441917494552%7CUnkno
> wn%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1
> haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=py122mCaQjLc7
> xFhApk61Zh9Hthol6tmprh5KDsOXqU%3D&reserved=0
> [2] -
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.
> kernel.org%2Fall%2FCM6REZS9Z8AC.2KCR9N3EFLNQR%40otso%2F&dat
> a=05%7C01%7Cpeng.fan%40nxp.com%7Ce5c97577ea9c4d34e28008da8230
> 773f%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637965441917
> 494552%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV
> 2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdat
> a=DYZ3eCmUPryFcqhgtexUZT1gYuL1utBgHrw%2BIH6apdk%3D&reserv
> ed=0
> [3] -
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.
> kernel.org%2Fall%2FCAD%3DFV%3DXYVwaXZxqUKAuM5c7NiVjFz5C6m6gAH
> SJ7rBXBF94_Tg%40mail.gmail.com%2F&data=05%7C01%7Cpeng.fan%4
> 0nxp.com%7Ce5c97577ea9c4d34e28008da8230773f%7C686ea1d3bc2b4c6fa
> 92cd99c5c301635%7C0%7C0%7C637965441917494552%7CUnknown%7CTW
> FpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJX
> VCI6Mn0%3D%7C3000%7C%7C%7C&sdata=MesNMmK2dr%2BkEZQ9fE
> BzFWgZhx9PWRQSk3U7zqcRaZo%3D&reserved=0
> [4] -
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.
> kernel.org%2Fall%2FYvpd2pwUJGp7R%2BYE%40euler%2F&data=05%7
> C01%7Cpeng.fan%40nxp.com%7Ce5c97577ea9c4d34e28008da8230773f%7C
> 686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637965441917494552%
> 7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLC
> JBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=31VDc
> KodaAH9dOYDnN%2BcJ1LhhAbyEQc8fYX743f8MY8%3D&reserved=0
> [5] -
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.
> kernel.org%2Flkml%2F20220601070707.3946847-2-
> saravanak%40google.com%2F&data=05%7C01%7Cpeng.fan%40nxp.co
> m%7Ce5c97577ea9c4d34e28008da8230773f%7C686ea1d3bc2b4c6fa92cd99
> c5c301635%7C0%7C0%7C637965441917494552%7CUnknown%7CTWFpbGZs
> b3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6M
> n0%3D%7C3000%7C%7C%7C&sdata=eE20zTJ7rKVTY1b0%2F4Pgp8sOx7
> zVTLnSIFsG%2FepL9Lo%3D&reserved=0
> [6] -
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.
> kernel.org%2Fall%2FCA%2BG9fYt_cc5SiNv1Vbse%3DHYY_%2Buc%2B9OYPZu
> J-
> x59bROSaLN6fw%40mail.gmail.com%2F&data=05%7C01%7Cpeng.fan%
> 40nxp.com%7Ce5c97577ea9c4d34e28008da8230773f%7C686ea1d3bc2b4c6f
> a92cd99c5c301635%7C0%7C0%7C637965441917494552%7CUnknown%7CT
> WFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiL
> CJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=nYfyk%2FlEwmYsH%2F
> U028t8tnFjpnTZ7G8ffHgyLBZ4Czo%3D&reserved=0
>
> Fixes: 5a46079a9645 ("PM: domains: Delete usage of
> driver_deferred_probe_check_state()")
> Reported-by: Peng Fan <peng.fan@....com>
> Reported-by: Luca Weiss <luca.weiss@...rphone.com>
> Reported-by: Doug Anderson <dianders@...omium.org>
> Reported-by: Colin Foster <colin.foster@...advantage.com>
> Reported-by: Tony Lindgren <tony@...mide.com>
> Reported-by: Alexander Stein <alexander.stein@...tq-group.com>
> Reported-by: Naresh Kamboju <naresh.kamboju@...aro.org>
> Reviewed-by: Tony Lindgren <tony@...mide.com>
> Tested-by: Tony Lindgren <tony@...mide.com>
> Signed-off-by: Saravana Kannan <saravanak@...gle.com>
Tested-by: Peng Fan <peng.fan@....com>
> ---
> drivers/base/power/domain.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
> index 5a2e0232862e..55a10e6d4e2a 100644
> --- a/drivers/base/power/domain.c
> +++ b/drivers/base/power/domain.c
> @@ -2733,7 +2733,7 @@ static int __genpd_dev_pm_attach(struct device
> *dev, struct device *base_dev,
> mutex_unlock(&gpd_list_lock);
> dev_dbg(dev, "%s() failed to find PM domain: %ld\n",
> __func__, PTR_ERR(pd));
> - return -ENODEV;
> + return driver_deferred_probe_check_state(base_dev);
> }
>
> dev_dbg(dev, "adding to PM domain %s\n", pd->name);
> --
> 2.37.1.595.g718a3a8f04-goog
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