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Date: Tue, 7 Apr 2020 19:49:21 +0200
From: Andrzej Pietrasiewicz <andrzej.p@...labora.com>
To: linux-pm@...r.kernel.org
Cc: Zhang Rui <rui.zhang@...el.com>,
"Rafael J . Wysocki" <rjw@...ysocki.net>,
Len Brown <lenb@...nel.org>, Jiri Pirko <jiri@...lanox.com>,
Ido Schimmel <idosch@...lanox.com>,
"David S . Miller" <davem@...emloft.net>,
Peter Kaestle <peter@...e.net>,
Darren Hart <dvhart@...radead.org>,
Andy Shevchenko <andy@...radead.org>,
Support Opensource <support.opensource@...semi.com>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Amit Kucheria <amit.kucheria@...durent.com>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
Allison Randal <allison@...utok.net>,
Enrico Weigelt <info@...ux.net>,
Gayatri Kammela <gayatri.kammela@...el.com>,
Thomas Gleixner <tglx@...utronix.de>,
linux-acpi@...r.kernel.org, netdev@...r.kernel.org,
platform-driver-x86@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, kernel@...labora.com,
Andrzej Pietrasiewicz <andrzej.p@...labora.com>
Subject: [RFC 3/8] thermal: Store thermal mode in a dedicated enum
Prepare for adding THERMAL_DEVICE_INITIAL mode.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@...labora.com>
---
drivers/acpi/thermal.c | 27 +++++++++----------
drivers/platform/x86/acerhdf.c | 12 ++++++---
.../intel/int340x_thermal/int3400_thermal.c | 18 +++++--------
3 files changed, 27 insertions(+), 30 deletions(-)
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 19067a5e5293..a93b0412dd6b 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -172,7 +172,7 @@ struct acpi_thermal {
struct acpi_thermal_trips trips;
struct acpi_handle_list devices;
struct thermal_zone_device *thermal_zone;
- int tz_enabled;
+ enum thermal_device_mode mode;
int kelvin_offset; /* in millidegrees */
struct work_struct thermal_check_work;
};
@@ -500,7 +500,7 @@ static void acpi_thermal_check(void *data)
{
struct acpi_thermal *tz = data;
- if (!tz->tz_enabled)
+ if (tz->mode != THERMAL_DEVICE_ENABLED)
return;
thermal_zone_device_update(tz->thermal_zone,
@@ -534,8 +534,7 @@ static int thermal_get_mode(struct thermal_zone_device *thermal,
if (!tz)
return -EINVAL;
- *mode = tz->tz_enabled ? THERMAL_DEVICE_ENABLED :
- THERMAL_DEVICE_DISABLED;
+ *mode = tz->mode;
return 0;
}
@@ -544,27 +543,25 @@ static int thermal_set_mode(struct thermal_zone_device *thermal,
enum thermal_device_mode mode)
{
struct acpi_thermal *tz = thermal->devdata;
- int enable;
if (!tz)
return -EINVAL;
+ if (mode != THERMAL_DEVICE_DISABLED &&
+ mode != THERMAL_DEVICE_ENABLED)
+ return -EINVAL;
/*
* enable/disable thermal management from ACPI thermal driver
*/
- if (mode == THERMAL_DEVICE_ENABLED)
- enable = 1;
- else if (mode == THERMAL_DEVICE_DISABLED) {
- enable = 0;
+ if (mode == THERMAL_DEVICE_DISABLED)
pr_warn("thermal zone will be disabled\n");
- } else
- return -EINVAL;
- if (enable != tz->tz_enabled) {
- tz->tz_enabled = enable;
+ if (mode != tz->mode) {
+ tz->mode = mode;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"%s kernel ACPI thermal control\n",
- tz->tz_enabled ? "Enable" : "Disable"));
+ tz->mode == THERMAL_DEVICE_ENABLED ?
+ "Enable" : "Disable"));
acpi_thermal_check(tz);
}
return 0;
@@ -913,7 +910,7 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
if (ACPI_FAILURE(status))
return -ENODEV;
- tz->tz_enabled = 1;
+ tz->mode = THERMAL_DEVICE_ENABLED;
dev_info(&tz->device->dev, "registered as thermal_zone%d\n",
tz->thermal_zone->id);
diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
index d5188c1d688b..87e357017d4a 100644
--- a/drivers/platform/x86/acerhdf.c
+++ b/drivers/platform/x86/acerhdf.c
@@ -65,8 +65,10 @@
#ifdef START_IN_KERNEL_MODE
static int kernelmode = 1;
+static enum thermal_device_mode thermal_mode = THERMAL_DEVICE_ENABLED;
#else
static int kernelmode;
+static enum thermal_device_mode thermal_mode = THERMAL_DEVICE_DISABLED;
#endif
static unsigned int interval = 10;
@@ -416,8 +418,7 @@ static int acerhdf_get_mode(struct thermal_zone_device *thermal,
if (verbose)
pr_notice("kernel mode fan control %d\n", kernelmode);
- *mode = (kernelmode) ? THERMAL_DEVICE_ENABLED
- : THERMAL_DEVICE_DISABLED;
+ *mode = thermal_mode;
return 0;
}
@@ -435,10 +436,13 @@ static int acerhdf_set_mode(struct thermal_zone_device *thermal,
mode != THERMAL_DEVICE_ENABLED)
return -EINVAL;
- if (mode == THERMAL_DEVICE_DISABLED && kernelmode)
+ if (mode == THERMAL_DEVICE_DISABLED && kernelmode) {
acerhdf_revert_to_bios_mode();
- else if (mode == THERMAL_DEVICE_ENABLED && !kernelmode)
+ thermal_mode = THERMAL_DEVICE_DISABLED;
+ } else if (mode == THERMAL_DEVICE_ENABLED && !kernelmode) {
acerhdf_enable_kernelmode();
+ thermal_mode = THERMAL_DEVICE_ENABLED;
+ }
return 0;
}
diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
index 634b943e9e3d..fcbd1b14fa74 100644
--- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
@@ -44,7 +44,7 @@ static char *int3400_thermal_uuids[INT3400_THERMAL_MAXIMUM_UUID] = {
struct int3400_thermal_priv {
struct acpi_device *adev;
struct thermal_zone_device *thermal;
- int mode;
+ enum thermal_device_mode mode;
int art_count;
struct art *arts;
int trt_count;
@@ -247,24 +247,20 @@ static int int3400_thermal_set_mode(struct thermal_zone_device *thermal,
enum thermal_device_mode mode)
{
struct int3400_thermal_priv *priv = thermal->devdata;
- bool enable;
int result = 0;
if (!priv)
return -EINVAL;
- if (mode == THERMAL_DEVICE_ENABLED)
- enable = true;
- else if (mode == THERMAL_DEVICE_DISABLED)
- enable = false;
- else
+ if (mode != THERMAL_DEVICE_ENABLED &&
+ mode != THERMAL_DEVICE_DISABLED)
return -EINVAL;
- if (enable != priv->mode) {
- priv->mode = enable;
+ if (mode != priv->mode) {
+ priv->mode = mode;
result = int3400_thermal_run_osc(priv->adev->handle,
- priv->current_uuid_index,
- enable);
+ priv->current_uuid_index,
+ mode == THERMAL_DEVICE_ENABLED);
}
return result;
}
--
2.17.1
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