summaryrefslogtreecommitdiff
path: root/drivers/platform
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/platform')
-rw-r--r--drivers/platform/mips/Kconfig4
-rw-r--r--drivers/platform/mips/cpu_hwmon.c17
-rw-r--r--drivers/platform/x86/asus-laptop.c2
-rw-r--r--drivers/platform/x86/eeepc-laptop.c2
-rw-r--r--drivers/platform/x86/intel_oaktrail.c10
5 files changed, 25 insertions, 10 deletions
diff --git a/drivers/platform/mips/Kconfig b/drivers/platform/mips/Kconfig
index 62ea1934fb6a..f4d0a86c00d0 100644
--- a/drivers/platform/mips/Kconfig
+++ b/drivers/platform/mips/Kconfig
@@ -17,8 +17,8 @@ menuconfig MIPS_PLATFORM_DEVICES
if MIPS_PLATFORM_DEVICES
config CPU_HWMON
- tristate "Loongson CPU HWMon Driver"
- depends on LOONGSON_MACH3X
+ tristate "Loongson-3 CPU HWMon Driver"
+ depends on CONFIG_MACH_LOONGSON64
select HWMON
default y
help
diff --git a/drivers/platform/mips/cpu_hwmon.c b/drivers/platform/mips/cpu_hwmon.c
index a7f184bb47e0..0d27cb7a9e3c 100644
--- a/drivers/platform/mips/cpu_hwmon.c
+++ b/drivers/platform/mips/cpu_hwmon.c
@@ -9,6 +9,9 @@
#include <loongson.h>
#include <boot_param.h>
#include <loongson_hwmon.h>
+#include <loongson_regs.h>
+
+static int csr_temp_enable = 0;
/*
* Loongson-3 series cpu has two sensors inside,
@@ -20,8 +23,14 @@ int loongson3_cpu_temp(int cpu)
{
u32 reg, prid_rev;
+ if (csr_temp_enable) {
+ reg = (csr_readl(LOONGSON_CSR_CPUTEMP) & 0xff);
+ goto out;
+ }
+
reg = LOONGSON_CHIPTEMP(cpu);
prid_rev = read_c0_prid() & PRID_REV_MASK;
+
switch (prid_rev) {
case PRID_REV_LOONGSON3A_R1:
reg = (reg >> 8) & 0xff;
@@ -34,9 +43,12 @@ int loongson3_cpu_temp(int cpu)
break;
case PRID_REV_LOONGSON3A_R3_0:
case PRID_REV_LOONGSON3A_R3_1:
+ default:
reg = (reg & 0xffff)*731/0x4000 - 273;
break;
}
+
+out:
return (int)reg * 1000;
}
@@ -159,9 +171,12 @@ static int __init loongson_hwmon_init(void)
pr_info("Loongson Hwmon Enter...\n");
+ if (cpu_has_csr())
+ csr_temp_enable = csr_readl(LOONGSON_CSR_FEATURES) & LOONGSON_CSRF_TEMP;
+
cpu_hwmon_dev = hwmon_device_register(NULL);
if (IS_ERR(cpu_hwmon_dev)) {
- ret = -ENOMEM;
+ ret = PTR_ERR(cpu_hwmon_dev);
pr_err("hwmon_device_register fail!\n");
goto fail_hwmon_device_register;
}
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index 472af7edf0af..ca65e1039f92 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -1148,7 +1148,7 @@ static void asus_als_switch(struct asus_laptop *asus, int value)
ret = write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value);
}
if (ret)
- pr_warning("Error setting light sensor switch\n");
+ pr_warn("Error setting light sensor switch\n");
asus->light_switch = value;
}
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index f3f74a9c109e..776868d5e458 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -578,7 +578,7 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle)
port = acpi_get_pci_dev(handle);
if (!port) {
- pr_warning("Unable to find port\n");
+ pr_warn("Unable to find port\n");
goto out_unlock;
}
diff --git a/drivers/platform/x86/intel_oaktrail.c b/drivers/platform/x86/intel_oaktrail.c
index 3c0438ba385e..1a09a75bd16d 100644
--- a/drivers/platform/x86/intel_oaktrail.c
+++ b/drivers/platform/x86/intel_oaktrail.c
@@ -243,7 +243,7 @@ static int oaktrail_backlight_init(void)
if (IS_ERR(bd)) {
oaktrail_bl_device = NULL;
- pr_warning("Unable to register backlight device\n");
+ pr_warn("Unable to register backlight device\n");
return PTR_ERR(bd);
}
@@ -313,20 +313,20 @@ static int __init oaktrail_init(void)
ret = platform_driver_register(&oaktrail_driver);
if (ret) {
- pr_warning("Unable to register platform driver\n");
+ pr_warn("Unable to register platform driver\n");
goto err_driver_reg;
}
oaktrail_device = platform_device_alloc(DRIVER_NAME, -1);
if (!oaktrail_device) {
- pr_warning("Unable to allocate platform device\n");
+ pr_warn("Unable to allocate platform device\n");
ret = -ENOMEM;
goto err_device_alloc;
}
ret = platform_device_add(oaktrail_device);
if (ret) {
- pr_warning("Unable to add platform device\n");
+ pr_warn("Unable to add platform device\n");
goto err_device_add;
}
@@ -338,7 +338,7 @@ static int __init oaktrail_init(void)
ret = oaktrail_rfkill_init();
if (ret) {
- pr_warning("Setup rfkill failed\n");
+ pr_warn("Setup rfkill failed\n");
goto err_rfkill;
}