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Date: Thu, 22 Feb 2024 15:41:14 +0000
From: Chun-Kuang Hu <chunkuang.hu@...nel.org>
To: Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Moudy Ho <moudy.ho@...iatek.com>,
	"Jason-JH . Lin" <jason-jh.lin@...iatek.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	linux-media@...r.kernel.org
Cc: Chun-Kuang Hu <chunkuang.hu@...nel.org>
Subject: [PATCH v2 06/12] soc: mediatek: cmdq: Remove cmdq_pkt_flush_async() helper function

cmdq_pkt_flush_async() is not used by all client drivers (MediaTek
drm driver and MediaTek mdp3 driver), so remove it.

Signed-off-by: Chun-Kuang Hu <chunkuang.hu@...nel.org>
---
 drivers/soc/mediatek/mtk-cmdq-helper.c | 15 ---------------
 include/linux/soc/mediatek/mtk-cmdq.h  | 18 ------------------
 2 files changed, 33 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
index 766dbafaef62..bbe41302210a 100644
--- a/drivers/soc/mediatek/mtk-cmdq-helper.c
+++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
@@ -446,19 +446,4 @@ int cmdq_pkt_finalize(struct cmdq_pkt *pkt)
 }
 EXPORT_SYMBOL(cmdq_pkt_finalize);
 
-int cmdq_pkt_flush_async(struct cmdq_pkt *pkt)
-{
-	int err;
-	struct cmdq_client *client = (struct cmdq_client *)pkt->cl;
-
-	err = mbox_send_message(client->chan, pkt);
-	if (err < 0)
-		return err;
-	/* We can send next packet immediately, so just call txdone. */
-	mbox_client_txdone(client->chan, 0);
-
-	return 0;
-}
-EXPORT_SYMBOL(cmdq_pkt_flush_async);
-
 MODULE_LICENSE("GPL v2");
diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h
index 45110494ee9d..f82e789550ae 100644
--- a/include/linux/soc/mediatek/mtk-cmdq.h
+++ b/include/linux/soc/mediatek/mtk-cmdq.h
@@ -297,19 +297,6 @@ int cmdq_pkt_eoc(struct cmdq_pkt *pkt);
  */
 int cmdq_pkt_finalize(struct cmdq_pkt *pkt);
 
-/**
- * cmdq_pkt_flush_async() - trigger CMDQ to asynchronously execute the CMDQ
- *                          packet and call back at the end of done packet
- * @pkt:	the CMDQ packet
- *
- * Return: 0 for success; else the error code is returned
- *
- * Trigger CMDQ to asynchronously execute the CMDQ packet and call back
- * at the end of done packet. Note that this is an ASYNC function. When the
- * function returned, it may or may not be finished.
- */
-int cmdq_pkt_flush_async(struct cmdq_pkt *pkt);
-
 #else /* IS_ENABLED(CONFIG_MTK_CMDQ) */
 
 static inline int cmdq_dev_get_client_reg(struct device *dev,
@@ -425,11 +412,6 @@ static inline int cmdq_pkt_finalize(struct cmdq_pkt *pkt)
 	return -EINVAL;
 }
 
-static inline int cmdq_pkt_flush_async(struct cmdq_pkt *pkt)
-{
-	return -EINVAL;
-}
-
 #endif /* IS_ENABLED(CONFIG_MTK_CMDQ) */
 
 #endif	/* __MTK_CMDQ_H__ */
-- 
2.34.1


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