From:   Armin Wolf <W_Armin@gmx.de>
To:     hdegoede@redhat.com, markgross@kernel.org
Cc:     jdelvare@suse.com, linux@roeck-us.net,
        platform-driver-x86@vger.kernel.org, linux-hwmon@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH 2/2] platform/x86: dell-ddv: Prefer asynchronous probing
Date:   Sun,  5 Feb 2023 21:54:56 +0100
Message-Id: <20230205205456.2364-3-W_Armin@gmx.de>
In-Reply-To: <20230205205456.2364-1-W_Armin@gmx.de>
References: <20230205205456.2364-1-W_Armin@gmx.de>
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Precedence: bulk

During probe, both sensor buffers need to be queried to
initialize the hwmon channels. This might be slow on some
machines, causing a unnecessary delay during boot.
Mark the driver with PROBE_PREFER_ASYNCHRONOUS so that it
can be probed asynchronously.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
=2D--
 drivers/platform/x86/dell/dell-wmi-ddv.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/platform/x86/dell/dell-wmi-ddv.c b/drivers/platform/x=
86/dell/dell-wmi-ddv.c
index b7ac483eff12..cffbba5e2d9a 100644
=2D-- a/drivers/platform/x86/dell/dell-wmi-ddv.c
+++ b/drivers/platform/x86/dell/dell-wmi-ddv.c
@@ -10,6 +10,7 @@
 #include <linux/acpi.h>
 #include <linux/debugfs.h>
 #include <linux/device.h>
+#include <linux/device/driver.h>
 #include <linux/dev_printk.h>
 #include <linux/errno.h>
 #include <linux/kconfig.h>
@@ -872,6 +873,7 @@ MODULE_DEVICE_TABLE(wmi, dell_wmi_ddv_id_table);
 static struct wmi_driver dell_wmi_ddv_driver =3D {
 	.driver =3D {
 		.name =3D DRIVER_NAME,
+		.probe_type =3D PROBE_PREFER_ASYNCHRONOUS,
 	},
 	.id_table =3D dell_wmi_ddv_id_table,
 	.probe =3D dell_wmi_ddv_probe,
=2D-
2.30.2