diff options
| -rw-r--r-- | drivers/platform/x86/asus-laptop.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 26f7f01a7a27..f0bf9c24480c 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -643,8 +643,10 @@ 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)) @@ -1271,7 +1273,7 @@ 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; @@ -1333,17 +1335,6 @@ static int asus_laptop_get_info(struct asus_laptop *asus) 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; |