misc: surface_sam: Update based on module

Update Surface System Aggregator Module driver based on module.

Changes:
- Fix a bug preventing the Surface Serial Hub driver from probing
  successfully under certain conditions.

Links:
- SAM: linux-surface/surface-aggregator-module@f973e27

drivers/misc/surface_aggregator/clients/surface_acpi_notify.c

@@ -522,7 +522,8 @@ static void gsb_rqsx_response_success(struct gsb_buffer *gsb, u8 *ptr, size_t le
 		memcpy(&gsb->data.out.pld[0], ptr, len);
 }
 
-static acpi_status san_rqst_fixup_suspended(struct ssam_request *rqst,
+static acpi_status san_rqst_fixup_suspended(struct san_data *d,
+					    struct ssam_request *rqst,
 					    struct gsb_buffer *gsb)
 {
 	if (rqst->target_category == SSAM_SSH_TC_BAS && rqst->command_id == 0x0D) {
@@ -543,6 +544,8 @@ static acpi_status san_rqst_fixup_suspended(struct ssam_request *rqst,
 		 * delay.
 		 */
 
+		dev_dbg(d->dev, "rqst: fixup: base-state quirk\n");
+
 		gsb_rqsx_response_success(gsb, &base_state, sizeof(base_state));
 		return AE_OK;
 	}
@@ -578,7 +581,7 @@ static acpi_status san_rqst(struct san_data *d, struct gsb_buffer *buffer)
 	// handle suspended device
 	if (d->dev->power.is_suspended) {
 		dev_warn(d->dev, "rqst: device is suspended, not executing\n");
-		return san_rqst_fixup_suspended(&rqst, buffer);
+		return san_rqst_fixup_suspended(d, &rqst, buffer);
 	}
 
 	status = ssam_retry(ssam_request_sync_onstack, SAN_REQUEST_NUM_TRIES,

drivers/misc/surface_aggregator/controller.c

@@ -1072,7 +1072,7 @@ static int ssam_dsm_load_u32(acpi_handle handle, u64 funcs, u64 func, u32 *ret)
 static int ssam_controller_caps_load_from_acpi(
 		acpi_handle handle, struct ssam_controller_caps *caps)
 {
-	u32 d3_closes_handle;
+	u32 d3_closes_handle = false;
 	u64 funcs;
 	int status;