4 files changed, 43 insertions, 1 deletions
diff --git a/drivers/firmware/qcom_scm-32.c b/drivers/firmware/qcom_scm-32.c
index c6aeedbdcbb0..8ad226c60374 100644
--- a/drivers/firmware/qcom_scm-32.c
+++ b/drivers/firmware/qcom_scm-32.c
@@ -560,3 +560,21 @@ int __qcom_scm_pas_mss_reset(struct device *dev, bool reset)
 
 	return ret ? : le32_to_cpu(out);
 }
+
+int __qcom_scm_set_remote_state(struct device *dev, u32 state, u32 id)
+{
+	struct {
+		__le32 state;
+		__le32 id;
+	} req;
+	__le32 scm_ret = 0;
+	int ret;
+
+	req.state = cpu_to_le32(state);
+	req.id = cpu_to_le32(id);
+
+	ret = qcom_scm_call(dev, QCOM_SCM_SVC_BOOT, QCOM_SCM_SET_REMOTE_STATE,
+			    &req, sizeof(req), &scm_ret, sizeof(scm_ret));
+
+	return ret ? : le32_to_cpu(scm_ret);
+}
diff --git a/drivers/firmware/qcom_scm-64.c b/drivers/firmware/qcom_scm-64.c
index 4a0f5ead4fb5..4b220abaf363 100644
--- a/drivers/firmware/qcom_scm-64.c
+++ b/drivers/firmware/qcom_scm-64.c
@@ -358,3 +358,19 @@ int __qcom_scm_pas_mss_reset(struct device *dev, bool reset)
 
 	return ret ? : res.a1;
 }
+
+int __qcom_scm_set_remote_state(struct device *dev, u32 state, u32 id)
+{
+	struct qcom_scm_desc desc = {0};
+	struct arm_smccc_res res;
+	int ret;
+
+	desc.args[0] = state;
+	desc.args[1] = id;
+	desc.arginfo = QCOM_SCM_ARGS(2);
+
+	ret = qcom_scm_call(dev, QCOM_SCM_SVC_BOOT, QCOM_SCM_SET_REMOTE_STATE,
+			    &desc, &res);
+
+	return ret ? : res.a1;
+}
diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
index 893f953eaccf..d987bcc7489d 100644
--- a/drivers/firmware/qcom_scm.c
+++ b/drivers/firmware/qcom_scm.c
@@ -324,6 +324,12 @@ bool qcom_scm_is_available(void)
 }
 EXPORT_SYMBOL(qcom_scm_is_available);
 
+int qcom_scm_set_remote_state(u32 state, u32 id)
+{
+	return __qcom_scm_set_remote_state(__scm->dev, state, id);
+}
+EXPORT_SYMBOL(qcom_scm_set_remote_state);
+
 static int qcom_scm_probe(struct platform_device *pdev)
 {
 	struct qcom_scm *scm;
@@ -387,7 +393,7 @@ static int qcom_scm_probe(struct platform_device *pdev)
 
 static const struct of_device_id qcom_scm_dt_match[] = {
 	{ .compatible = "qcom,scm-apq8064",
-	  .data = (void *) SCM_HAS_CORE_CLK,
+	  /* FIXME: This should have .data = (void *) SCM_HAS_CORE_CLK */
 	},
 	{ .compatible = "qcom,scm-msm8660",
 	  .data = (void *) SCM_HAS_CORE_CLK,
diff --git a/drivers/firmware/qcom_scm.h b/drivers/firmware/qcom_scm.h
index 3584b00fe7e6..6a0f15469344 100644
--- a/drivers/firmware/qcom_scm.h
+++ b/drivers/firmware/qcom_scm.h
@@ -15,6 +15,8 @@
 #define QCOM_SCM_SVC_BOOT		0x1
 #define QCOM_SCM_BOOT_ADDR		0x1
 #define QCOM_SCM_BOOT_ADDR_MC		0x11
+#define QCOM_SCM_SET_REMOTE_STATE	0xa
+extern int __qcom_scm_set_remote_state(struct device *dev, u32 state, u32 id);
 
 #define QCOM_SCM_FLAG_HLOS		0x01
 #define QCOM_SCM_FLAG_COLDBOOT_MC	0x02