Adding upstream version 6.8.12.upstream/6.8.12

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

2 files changed, 23 insertions, 8 deletions

diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
index b0cd071c4..0b2e5690d 100644
--- a/drivers/soc/mediatek/mtk-cmdq-helper.c
+++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
@@ -14,7 +14,8 @@
 #define CMDQ_POLL_ENABLE_MASK	BIT(0)
 #define CMDQ_EOC_IRQ_EN		BIT(0)
 #define CMDQ_REG_TYPE		1
-#define CMDQ_JUMP_RELATIVE	1
+#define CMDQ_JUMP_RELATIVE	0
+#define CMDQ_JUMP_ABSOLUTE	1
 
 struct cmdq_instruction {
 	union {
@@ -397,7 +398,7 @@ int cmdq_pkt_jump(struct cmdq_pkt *pkt, dma_addr_t addr)
 	struct cmdq_instruction inst = {};
 
 	inst.op = CMDQ_CODE_JUMP;
-	inst.offset = CMDQ_JUMP_RELATIVE;
+	inst.offset = CMDQ_JUMP_ABSOLUTE;
 	inst.value = addr >>
 		cmdq_get_shift_pa(((struct cmdq_client *)pkt->cl)->chan);
 	return cmdq_pkt_append_command(pkt, inst);
diff --git a/drivers/soc/qcom/pmic_glink.c b/drivers/soc/qcom/pmic_glink.c
index f913e9bd5..823fd108f 100644
--- a/drivers/soc/qcom/pmic_glink.c
+++ b/drivers/soc/qcom/pmic_glink.c
@@ -11,6 +11,7 @@
 #include <linux/slab.h>
 #include <linux/soc/qcom/pdr.h>
 #include <linux/soc/qcom/pmic_glink.h>
+#include <linux/spinlock.h>
 
 enum {
 	PMIC_GLINK_CLIENT_BATT = 0,
@@ -36,7 +37,7 @@ struct pmic_glink {
 	unsigned int pdr_state;
 
 	/* serializing clients list updates */
-	struct mutex client_lock;
+	spinlock_t client_lock;
 	struct list_head clients;
 };
 
@@ -58,10 +59,11 @@ static void _devm_pmic_glink_release_client(struct device *dev, void *res)
 {
 	struct pmic_glink_client *client = (struct pmic_glink_client *)res;
 	struct pmic_glink *pg = client->pg;
+	unsigned long flags;
 
-	mutex_lock(&pg->client_lock);
+	spin_lock_irqsave(&pg->client_lock, flags);
 	list_del(&client->node);
-	mutex_unlock(&pg->client_lock);
+	spin_unlock_irqrestore(&pg->client_lock, flags);
 }
 
 struct pmic_glink_client *devm_pmic_glink_register_client(struct device *dev,
@@ -72,6 +74,7 @@ struct pmic_glink_client *devm_pmic_glink_register_client(struct device *dev,
 {
 	struct pmic_glink_client *client;
 	struct pmic_glink *pg = dev_get_drvdata(dev->parent);
+	unsigned long flags;
 
 	client = devres_alloc(_devm_pmic_glink_release_client, sizeof(*client), GFP_KERNEL);
 	if (!client)
@@ -83,9 +86,14 @@ struct pmic_glink_client *devm_pmic_glink_register_client(struct device *dev,
 	client->pdr_notify = pdr;
 	client->priv = priv;
 
-	mutex_lock(&pg->client_lock);
+	mutex_lock(&pg->state_lock);
+	spin_lock_irqsave(&pg->client_lock, flags);
+
 	list_add(&client->node, &pg->clients);
-	mutex_unlock(&pg->client_lock);
+	client->pdr_notify(client->priv, pg->client_state);
+
+	spin_unlock_irqrestore(&pg->client_lock, flags);
+	mutex_unlock(&pg->state_lock);
 
 	devres_add(dev, client);
 
@@ -107,6 +115,7 @@ static int pmic_glink_rpmsg_callback(struct rpmsg_device *rpdev, void *data,
 	struct pmic_glink_client *client;
 	struct pmic_glink_hdr *hdr;
 	struct pmic_glink *pg = dev_get_drvdata(&rpdev->dev);
+	unsigned long flags;
 
 	if (len < sizeof(*hdr)) {
 		dev_warn(pg->dev, "ignoring truncated message\n");
@@ -115,10 +124,12 @@ static int pmic_glink_rpmsg_callback(struct rpmsg_device *rpdev, void *data,
 
 	hdr = data;
 
+	spin_lock_irqsave(&pg->client_lock, flags);
 	list_for_each_entry(client, &pg->clients, node) {
 		if (client->id == le32_to_cpu(hdr->owner))
 			client->cb(data, len, client->priv);
 	}
+	spin_unlock_irqrestore(&pg->client_lock, flags);
 
 	return 0;
 }
@@ -158,6 +169,7 @@ static void pmic_glink_state_notify_clients(struct pmic_glink *pg)
 {
 	struct pmic_glink_client *client;
 	unsigned int new_state = pg->client_state;
+	unsigned long flags;
 
 	if (pg->client_state != SERVREG_SERVICE_STATE_UP) {
 		if (pg->pdr_state == SERVREG_SERVICE_STATE_UP && pg->ept)
@@ -168,8 +180,10 @@ static void pmic_glink_state_notify_clients(struct pmic_glink *pg)
 	}
 
 	if (new_state != pg->client_state) {
+		spin_lock_irqsave(&pg->client_lock, flags);
 		list_for_each_entry(client, &pg->clients, node)
 			client->pdr_notify(client->priv, new_state);
+		spin_unlock_irqrestore(&pg->client_lock, flags);
 		pg->client_state = new_state;
 	}
 }
@@ -256,7 +270,7 @@ static int pmic_glink_probe(struct platform_device *pdev)
 	pg->dev = &pdev->dev;
 
 	INIT_LIST_HEAD(&pg->clients);
-	mutex_init(&pg->client_lock);
+	spin_lock_init(&pg->client_lock);
 	mutex_init(&pg->state_lock);
 
 	match_data = (unsigned long *)of_device_get_match_data(&pdev->dev);