Subject: [PATCH] [acpi thermal] Get list of thermal devices on device init

- Implement thermal_get_devices()
- Call when device is initialized on binding
- Add ->t_have_devices and ->t_devices to struct acpi_thermal

Signed-off-by: Patrick Mochel <mochel@linux.intel.com>

---

 drivers/acpi/drivers/thermal/device.c  |    6 ++++++
 drivers/acpi/drivers/thermal/driver.c  |    7 +++++++
 drivers/acpi/drivers/thermal/thermal.h |    4 ++++
 3 files changed, 17 insertions(+), 0 deletions(-)

applies-to: f26a8c63b0062ffbf2a5f9e7e7639177e251a9f2
e719c9110bdb2fdebe633892d3c557494e0801ea
diff --git a/drivers/acpi/drivers/thermal/device.c b/drivers/acpi/drivers/thermal/device.c
index 603c4af..191de64 100644
--- a/drivers/acpi/drivers/thermal/device.c
+++ b/drivers/acpi/drivers/thermal/device.c
@@ -199,3 +199,9 @@ int thermal_get_poll_freq(struct acpi_th
 		    at->t_poll_freq);
 	return ret;
 }
+
+int thermal_get_devices(struct acpi_thermal * at)
+{
+	return get_devices(at, "_TZD", &at->t_devices);
+}
+
diff --git a/drivers/acpi/drivers/thermal/driver.c b/drivers/acpi/drivers/thermal/driver.c
index d5d57ef..11b7e73 100644
--- a/drivers/acpi/drivers/thermal/driver.c
+++ b/drivers/acpi/drivers/thermal/driver.c
@@ -89,6 +89,13 @@ static int thermal_init(struct acpi_ther
 	else
 		thermal_get_poll_freq(at);
 
+	/*
+	 * Get devices in this thermal zone
+	 */
+	ret = thermal_get_devices(at);
+	if (!ret)
+		at->t_have_devices = 1;
+
 	return 0;
 }
 
diff --git a/drivers/acpi/drivers/thermal/thermal.h b/drivers/acpi/drivers/thermal/thermal.h
index 60f02e3..c363041 100644
--- a/drivers/acpi/drivers/thermal/thermal.h
+++ b/drivers/acpi/drivers/thermal/thermal.h
@@ -63,11 +63,15 @@ struct acpi_thermal {
 	struct thermal_trips	t_trips;
 	u32			t_cooling_mode;
 	unsigned long		t_poll_freq;
+
+	u32			t_have_devices;
+	struct acpi_handle_list	t_devices;
 };
 
 extern int thermal_get_temp(struct acpi_thermal *);
 extern int thermal_get_trips(struct acpi_thermal * at);
 extern int thermal_get_poll_freq(struct acpi_thermal *);
+extern int thermal_get_devices(struct acpi_thermal * at);
 
 extern int thermal_set_cooling_mode(struct acpi_thermal *, int);
 
---
0.99.9.GIT