[PATCH v2 4/4] platform/x86/intel/wmi: thunderbolt: Use bus-based WMI interface

From: Armin Wolf
Date: Fri Nov 03 2023 - 14:26:09 EST


Currently, the driver still uses the legacy GUID-based interface
to invoke WMI methods. Use the modern bus-based interface instead.

Tested on a Lenovo E51-80.

Signed-off-by: Armin Wolf <W_Armin@xxxxxx>
---
Changes in v2:
- fix spelling issue
---
drivers/platform/x86/intel/wmi/thunderbolt.c | 3 +--
drivers/platform/x86/wmi.c | 1 +
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/x86/intel/wmi/thunderbolt.c b/drivers/platform/x86/intel/wmi/thunderbolt.c
index fc333ff82d1e..e2ad3f46f356 100644
--- a/drivers/platform/x86/intel/wmi/thunderbolt.c
+++ b/drivers/platform/x86/intel/wmi/thunderbolt.c
@@ -32,8 +32,7 @@ static ssize_t force_power_store(struct device *dev,
mode = hex_to_bin(buf[0]);
dev_dbg(dev, "force_power: storing %#x\n", mode);
if (mode == 0 || mode == 1) {
- status = wmi_evaluate_method(INTEL_WMI_THUNDERBOLT_GUID, 0, 1,
- &input, NULL);
+ status = wmidev_evaluate_method(to_wmi_device(dev), 0, 1, &input, NULL);
if (ACPI_FAILURE(status)) {
dev_dbg(dev, "force_power: failed to evaluate ACPI method\n");
return -ENODEV;
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 4c4effc883ae..cb7e74f2b009 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -107,6 +107,7 @@ static const char * const allow_duplicates[] = {
"05901221-D566-11D1-B2F0-00A0C9062910", /* wmi-bmof */
"8A42EA14-4F2A-FD45-6422-0087F7A7E608", /* dell-wmi-ddv */
"44FADEB1-B204-40F2-8581-394BBDC1B651", /* intel-wmi-sbl-fw-update */
+ "86CCFD48-205E-4A77-9C48-2021CBEDE341", /* intel-wmi-thunderbolt */
NULL
};

--
2.39.2