From: Saravana Kannan <saravanak@google.com>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Len Brown <lenb@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Ard Biesheuvel <ardb@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Frank Rowand <frowand.list@gmail.com>,
Marc Zyngier <maz@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>
Cc: Saravana Kannan <saravanak@google.com>,
Tomi Valkeinen <tomi.valkeinen@ti.com>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Grygorii Strashko <grygorii.strashko@ti.com>,
kernel-team@android.com, linux-acpi@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org,
devicetree@vger.kernel.org
Subject: [PATCH v2 03/17] Revert "driver core: Don't do deferred probe in parallel with kernel_init thread"
Date: Fri, 20 Nov 2020 18:02:18 -0800 [thread overview]
Message-ID: <20201121020232.908850-4-saravanak@google.com> (raw)
In-Reply-To: <20201121020232.908850-1-saravanak@google.com>
This reverts commit cec72f3efc6272420c2c2c699607f03d09b93e41.
Commit cec72f3efc62 ("driver core: Don't do deferred probe in parallel
with kernel_init thread") was fixing a commit 716a7a259690 ("driver
core: fw_devlink: Add support for batching fwnode parsing"). Since the
commit being fixed itself is going to be reverted, the fix can also be
reverted.
Signed-off-by: Saravana Kannan <saravanak@google.com>
---
drivers/base/base.h | 1 +
drivers/base/core.c | 1 +
drivers/base/dd.c | 5 +++++
3 files changed, 7 insertions(+)
diff --git a/drivers/base/base.h b/drivers/base/base.h
index 91cfb8405abd..c3562adf4789 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -156,6 +156,7 @@ extern char *make_class_name(const char *name, struct kobject *kobj);
extern int devres_release_all(struct device *dev);
extern void device_block_probing(void);
extern void device_unblock_probing(void);
+extern void driver_deferred_probe_force_trigger(void);
/* /sys/devices directory */
extern struct kset *devices_kset;
diff --git a/drivers/base/core.c b/drivers/base/core.c
index c91ff2546247..e6bb4bf4f19d 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1548,6 +1548,7 @@ void fw_devlink_resume(void)
goto out;
device_link_add_missing_supplier_links();
+ driver_deferred_probe_force_trigger();
out:
mutex_unlock(&defer_fw_devlink_lock);
}
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 148e81969e04..001caa0b447c 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -167,6 +167,11 @@ static void driver_deferred_probe_trigger(void)
if (!driver_deferred_probe_enable)
return;
+ driver_deferred_probe_force_trigger();
+}
+
+void driver_deferred_probe_force_trigger(void)
+{
/*
* A successful probe means that all the devices in the pending list
* should be triggered to be reprobed. Move all the deferred devices
--
2.29.2.454.gaff20da3a2-goog
next prev parent reply other threads:[~2020-11-21 2:03 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-21 2:02 [PATCH v2 00/17] Refactor fw_devlink to significantly improve boot time Saravana Kannan
2020-11-21 2:02 ` [PATCH v2 01/17] Revert "driver core: Avoid deferred probe due to fw_devlink_pause/resume()" Saravana Kannan
2020-11-21 2:02 ` [PATCH v2 02/17] Revert "driver core: Rename dev_links_info.defer_sync to defer_hook" Saravana Kannan
2020-11-21 2:02 ` Saravana Kannan [this message]
2020-11-21 2:02 ` [PATCH v2 04/17] Revert "driver core: Remove check in driver_deferred_probe_force_trigger()" Saravana Kannan
2020-11-21 2:02 ` [PATCH v2 05/17] Revert "of: platform: Batch fwnode parsing when adding all top level devices" Saravana Kannan
2020-12-07 22:18 ` Rob Herring
2020-11-21 2:02 ` [PATCH v2 06/17] Revert "driver core: fw_devlink: Add support for batching fwnode parsing" Saravana Kannan
2020-11-21 2:02 ` [PATCH v2 07/17] driver core: Add fwnode_init() Saravana Kannan
2020-12-06 7:26 ` Leon Romanovsky
2020-12-07 19:25 ` Saravana Kannan
2020-12-07 19:53 ` Leon Romanovsky
2020-12-07 20:36 ` Saravana Kannan
2020-12-08 6:34 ` Leon Romanovsky
2020-12-07 22:20 ` Rob Herring
2020-11-21 2:02 ` [PATCH v2 08/17] driver core: Add fwnode link support Saravana Kannan
2020-12-06 7:48 ` Leon Romanovsky
2020-12-07 19:25 ` Saravana Kannan
2020-12-07 19:56 ` Leon Romanovsky
2020-12-07 22:21 ` Rob Herring
2020-11-21 2:02 ` [PATCH v2 09/17] driver core: Allow only unprobed consumers for SYNC_STATE_ONLY device links Saravana Kannan
2020-11-21 2:02 ` [PATCH v2 10/17] device property: Add fwnode_is_ancestor_of() and fwnode_get_next_parent_dev() Saravana Kannan
2020-11-21 2:02 ` [PATCH v2 11/17] driver core: Redefine the meaning of fwnode_operations.add_links() Saravana Kannan
2020-11-21 2:02 ` [PATCH v2 12/17] driver core: Add fw_devlink_parse_fwtree() Saravana Kannan
2020-11-21 2:02 ` [PATCH v2 13/17] driver core: Use device's fwnode to check if it is waiting for suppliers Saravana Kannan
2022-06-27 11:42 ` Abel Vesa
2022-06-27 22:30 ` Saravana Kannan
2022-06-28 15:24 ` Abel Vesa
2022-06-28 15:44 ` Abel Vesa
2022-06-28 15:55 ` Abel Vesa
2022-06-28 18:09 ` Saravana Kannan
2023-01-05 14:47 ` Dmitry Baryshkov
2020-11-21 2:02 ` [PATCH v2 14/17] of: property: Update implementation of add_links() to create fwnode links Saravana Kannan
2020-12-07 22:37 ` Rob Herring
2020-11-21 2:02 ` [PATCH v2 15/17] efi: " Saravana Kannan
2020-11-21 2:02 ` [PATCH v2 16/17] driver core: Refactor fw_devlink feature Saravana Kannan
2020-11-23 16:00 ` [driver core] 95f755a4ef: will-it-scale.per_process_ops 2.2% improvement kernel test robot
2020-12-11 14:11 ` [PATCH v2 16/17] driver core: Refactor fw_devlink feature Qian Cai
2020-12-11 16:34 ` Robin Murphy
2020-12-11 17:51 ` Saravana Kannan
2020-12-11 18:03 ` Marc Zyngier
2020-12-11 18:20 ` Saravana Kannan
2020-12-11 19:07 ` Marc Zyngier
2020-12-11 22:29 ` Saravana Kannan
2020-12-29 3:34 ` Michael Walle
2021-01-05 19:00 ` Saravana Kannan
2021-01-05 21:03 ` Michael Walle
2021-01-06 23:29 ` Saravana Kannan
2020-11-21 2:02 ` [PATCH v2 17/17] driver core: Delete pointless parameter in fwnode_operations.add_links Saravana Kannan
2020-12-07 22:38 ` Rob Herring
2020-11-24 8:29 ` [PATCH v2 00/17] Refactor fw_devlink to significantly improve boot time Tomi Valkeinen
2020-11-24 17:25 ` Saravana Kannan
2020-12-03 19:05 ` Saravana Kannan
2020-12-09 18:16 ` Greg Kroah-Hartman
2020-12-09 20:24 ` Saravana Kannan
2020-12-10 9:26 ` Greg Kroah-Hartman
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