linux-kernel - [PATCH v1 4/4] [v1,04/04]mailbox: mtk-cmdq: modify clk api for suspend/resume

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Message-ID: <20250814070401.13432-4-xiandong.wang@mediatek.com>
Date: Thu, 14 Aug 2025 15:03:56 +0800
From: Xiandong Wang <xiandong.wang@...iatek.com>
To: Jassi Brar <jassisinghbrar@...il.com>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>, AngeloGioacchino Del Regno
	<angelogioacchino.delregno@...labora.com>, Houlong Wei
	<houlong.wei@...iatek.com>
CC: <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-mediatek@...ts.infradead.org>,
	<sirius.wang@...iatek.com>, <vince-wl.liu@...iatek.com>,
	<jh.hsu@...iatek.com>, <Project_Global_Chrome_Upstream_Group@...iatek.com>,
	Xiandong Wang <xiandong.wang@...iatek.com>
Subject: [PATCH v1 4/4] [v1,04/04]mailbox: mtk-cmdq: modify clk api for suspend/resume

modify the clk api for suspend and resume, modify the api for
suspend and resume to disable/enable clk, so it can disable/enable
module clk and parent clk successfully.

Signed-off-by: Xiandong Wang <xiandong.wang@...iatek.com>
---
 drivers/mailbox/mtk-cmdq-mailbox.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c
index 92756f5793fa..aa004bcc2dea 100644
--- a/drivers/mailbox/mtk-cmdq-mailbox.c
+++ b/drivers/mailbox/mtk-cmdq-mailbox.c
@@ -142,14 +142,14 @@ static void cmdq_init(struct cmdq *cmdq)
 {
 	int i;
 
-	WARN_ON(clk_bulk_enable(cmdq->pdata->gce_num, cmdq->clocks));
+	WARN_ON(clk_bulk_prepare_enable(cmdq->pdata->gce_num, cmdq->clocks));
 
 	cmdq_gctl_value_toggle(cmdq, true);
 
 	writel(CMDQ_THR_ACTIVE_SLOT_CYCLES, cmdq->base + CMDQ_THR_SLOT_CYCLES);
 	for (i = 0; i <= CMDQ_MAX_EVENT; i++)
 		writel(i, cmdq->base + CMDQ_SYNC_TOKEN_UPDATE);
-	clk_bulk_disable(cmdq->pdata->gce_num, cmdq->clocks);
+	clk_bulk_disable_unprepare(cmdq->pdata->gce_num, cmdq->clocks);
 }
 
 static int cmdq_thread_reset(struct cmdq *cmdq, struct cmdq_thread *thread)
@@ -312,7 +312,7 @@ static int cmdq_runtime_resume(struct device *dev)
 	struct cmdq *cmdq = dev_get_drvdata(dev);
 	int ret;
 
-	ret = clk_bulk_enable(cmdq->pdata->gce_num, cmdq->clocks);
+	ret = clk_bulk_prepare_enable(cmdq->pdata->gce_num, cmdq->clocks);
 	if (ret)
 		return ret;
 
@@ -325,7 +325,7 @@ static int cmdq_runtime_suspend(struct device *dev)
 	struct cmdq *cmdq = dev_get_drvdata(dev);
 
 	cmdq_gctl_value_toggle(cmdq, false);
-	clk_bulk_disable(cmdq->pdata->gce_num, cmdq->clocks);
+	clk_bulk_disable_unprepare(cmdq->pdata->gce_num, cmdq->clocks);
 	return 0;
 }
 
@@ -364,12 +364,8 @@ static int cmdq_resume(struct device *dev)
 
 static void cmdq_remove(struct platform_device *pdev)
 {
-	struct cmdq *cmdq = platform_get_drvdata(pdev);
-
 	if (!IS_ENABLED(CONFIG_PM))
 		cmdq_runtime_suspend(&pdev->dev);
-
-	clk_bulk_unprepare(cmdq->pdata->gce_num, cmdq->clocks);
 }
 
 static int cmdq_mbox_send_data(struct mbox_chan *chan, void *data)
@@ -684,8 +680,6 @@ static int cmdq_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, cmdq);
 
-	WARN_ON(clk_bulk_prepare(cmdq->pdata->gce_num, cmdq->clocks));
-
 	cmdq_init(cmdq);
 
 	err = devm_request_irq(dev, cmdq->irq, cmdq_irq_handler, IRQF_SHARED,
-- 
2.45.2