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path: root/drivers/platform/x86/asus-laptop.c
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Diffstat (limited to 'drivers/platform/x86/asus-laptop.c')
-rw-r--r--drivers/platform/x86/asus-laptop.c25
1 files changed, 8 insertions, 17 deletions
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index 4b568df56643..fcde4e528819 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -860,8 +860,10 @@ static ssize_t show_infos(struct device *dev,
/*
* The HWRS method return informations about the hardware.
* 0x80 bit is for WLAN, 0x100 for Bluetooth.
+ * 0x40 for WWAN, 0x10 for WIMAX.
* The significance of others is yet to be found.
- * If we don't find the method, we assume the device are present.
+ * We don't currently use this for device detection, and it
+ * takes several seconds to run on some systems.
*/
rv = acpi_evaluate_integer(asus->handle, "HWRS", NULL, &temp);
if (!ACPI_FAILURE(rv))
@@ -1682,7 +1684,7 @@ static int asus_laptop_get_info(struct asus_laptop *asus)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *model = NULL;
- unsigned long long bsts_result, hwrs_result;
+ unsigned long long bsts_result;
char *string = NULL;
acpi_status status;
@@ -1741,20 +1743,9 @@ static int asus_laptop_get_info(struct asus_laptop *asus)
return -ENOMEM;
}
- if (*string)
+ if (string)
pr_notice(" %s model detected\n", string);
- /*
- * The HWRS method return informations about the hardware.
- * 0x80 bit is for WLAN, 0x100 for Bluetooth,
- * 0x40 for WWAN, 0x10 for WIMAX.
- * The significance of others is yet to be found.
- */
- status =
- acpi_evaluate_integer(asus->handle, "HWRS", NULL, &hwrs_result);
- if (!ACPI_FAILURE(status))
- pr_notice(" HWRS returned %x", (int)hwrs_result);
-
if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL))
asus->have_rsts = true;
@@ -1763,7 +1754,7 @@ static int asus_laptop_get_info(struct asus_laptop *asus)
return AE_OK;
}
-static int __devinit asus_acpi_init(struct asus_laptop *asus)
+static int asus_acpi_init(struct asus_laptop *asus)
{
int result = 0;
@@ -1823,7 +1814,7 @@ static int __devinit asus_acpi_init(struct asus_laptop *asus)
return result;
}
-static void __devinit asus_dmi_check(void)
+static void asus_dmi_check(void)
{
const char *model;
@@ -1839,7 +1830,7 @@ static void __devinit asus_dmi_check(void)
static bool asus_device_present;
-static int __devinit asus_acpi_add(struct acpi_device *device)
+static int asus_acpi_add(struct acpi_device *device)
{
struct asus_laptop *asus;
int result;