linux-kernel - [PATCH 2/8] platform/surface: aggregator: Add platform handler pointer to device

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Message-ID: <20241025193055.2235-3-mario.limonciello@amd.com>
Date: Fri, 25 Oct 2024 14:30:49 -0500
From: Mario Limonciello <mario.limonciello@....com>
To: Hans de Goede <hdegoede@...hat.com>, Ilpo Järvinen
	<ilpo.jarvinen@...ux.intel.com>
CC: "Rafael J . Wysocki" <rafael@...nel.org>, Len Brown <lenb@...nel.org>,
	Maximilian Luz <luzmaximilian@...il.com>, Lee Chun-Yi <jlee@...e.com>, "Shyam
 Sundar S K" <Shyam-sundar.S-k@....com>, Corentin Chary
	<corentin.chary@...il.com>, "Luke D . Jones" <luke@...nes.dev>, Ike Panhc
	<ike.pan@...onical.com>, Henrique de Moraes Holschuh <hmh@....eng.br>,
	"Alexis Belmonte" <alexbelm48@...il.com>, Uwe Kleine-König
	<u.kleine-koenig@...gutronix.de>, Ai Chao <aichao@...inos.cn>, Gergo Koteles
	<soyer@....hu>, open list <linux-kernel@...r.kernel.org>, "open list:ACPI"
	<linux-acpi@...r.kernel.org>, "open list:MICROSOFT SURFACE PLATFORM PROFILE
 DRIVER" <platform-driver-x86@...r.kernel.org>, "open list:THINKPAD ACPI
 EXTRAS DRIVER" <ibm-acpi-devel@...ts.sourceforge.net>, Mark Pearson
	<mpearson-lenovo@...ebb.ca>, Matthew Schwartz <matthew.schwartz@...ux.dev>,
	Mario Limonciello <mario.limonciello@....com>
Subject: [PATCH 2/8] platform/surface: aggregator: Add platform handler pointer to device

To be able to reference the platform handler in remove, add
a pointer to `struct ssam_device`.

Tested-by: Matthew Schwartz <matthew.schwartz@...ux.dev>
Signed-off-by: Mario Limonciello <mario.limonciello@....com>
---
 drivers/platform/surface/surface_platform_profile.c | 1 +
 include/linux/surface_aggregator/device.h           | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drivers/platform/surface/surface_platform_profile.c b/drivers/platform/surface/surface_platform_profile.c
index 61aa488a80eb5..958afd7bce223 100644
--- a/drivers/platform/surface/surface_platform_profile.c
+++ b/drivers/platform/surface/surface_platform_profile.c
@@ -210,6 +210,7 @@ static int surface_platform_profile_probe(struct ssam_device *sdev)
 		return -ENOMEM;
 
 	tpd->sdev = sdev;
+	sdev->tpd = tpd;
 
 	tpd->handler.name = "Surface Platform Profile";
 	tpd->handler.profile_get = ssam_platform_profile_get;
diff --git a/include/linux/surface_aggregator/device.h b/include/linux/surface_aggregator/device.h
index 8cd8c38cf3f30..6a72b5bdc8782 100644
--- a/include/linux/surface_aggregator/device.h
+++ b/include/linux/surface_aggregator/device.h
@@ -164,6 +164,7 @@ enum ssam_device_flags {
  * @dev:   Driver model representation of the device.
  * @ctrl:  SSAM controller managing this device.
  * @uid:   UID identifying the device.
+ * @tpd:   Platform profile device data.
  * @flags: Device state flags, see &enum ssam_device_flags.
  */
 struct ssam_device {
@@ -171,6 +172,7 @@ struct ssam_device {
 	struct ssam_controller *ctrl;
 
 	struct ssam_device_uid uid;
+	struct ssam_platform_profile_device *tpd;
 
 	unsigned long flags;
 };
-- 
2.43.0