linux-kernel - [PATCH 3/3] mailbox: mtk-cmdq: Add struct cmdq_pkt in struct cmdq_cb

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Message-Id: <20210314233323.23377-4-chunkuang.hu@kernel.org>
Date:   Mon, 15 Mar 2021 07:33:23 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     Jassi Brar <jassisinghbrar@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     Houlong Wei <houlong.wei@...iatek.com>,
        Bibby Hsieh <bibby.hsieh@...iatek.com>,
        Dennis YC Hsieh <dennis-yc.hsieh@...iatek.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>
Subject: [PATCH 3/3] mailbox: mtk-cmdq: Add struct cmdq_pkt in struct cmdq_cb_data

Current client use 'struct cmdq_pkt' as callback data, so
change 'void *data' to 'struct cmdq_pkt *pkt'. Keep data
until client use pkt instead of data.

Cc: Jassi Brar <jassisinghbrar@...il.com>
Cc: Matthias Brugger <matthias.bgg@...il.com>
Cc: Houlong Wei <houlong.wei@...iatek.com>
Cc: Bibby Hsieh <bibby.hsieh@...iatek.com>
Cc: Dennis YC Hsieh <dennis-yc.hsieh@...iatek.com>
Cc: linux-kernel@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-mediatek@...ts.infradead.org
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@...nel.org>
---
 drivers/mailbox/mtk-cmdq-mailbox.c       | 2 ++
 include/linux/mailbox/mtk-cmdq-mailbox.h | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c
index ef59e2234f22..99a9e0787501 100644
--- a/drivers/mailbox/mtk-cmdq-mailbox.c
+++ b/drivers/mailbox/mtk-cmdq-mailbox.c
@@ -188,6 +188,7 @@ static void cmdq_task_exec_done(struct cmdq_task *task, int sta)
 	WARN_ON(cb->cb == (cmdq_async_flush_cb)NULL);
 	data.sta = sta;
 	data.data = cb->data;
+	data.pkt = task->pkt;
 	if (cb->cb)
 		cb->cb(data);
 
@@ -456,6 +457,7 @@ static int cmdq_mbox_flush(struct mbox_chan *chan, unsigned long timeout)
 				 list_entry) {
 		data.sta = -ECONNABORTED;
 		data.data = cb->data;
+		data.pkt = task->pkt;
 		cb = &task->pkt->async_cb;
 		if (cb->cb)
 			cb->cb(data);
diff --git a/include/linux/mailbox/mtk-cmdq-mailbox.h b/include/linux/mailbox/mtk-cmdq-mailbox.h
index 2f7d9a37d611..44365aab043c 100644
--- a/include/linux/mailbox/mtk-cmdq-mailbox.h
+++ b/include/linux/mailbox/mtk-cmdq-mailbox.h
@@ -68,6 +68,7 @@ enum cmdq_code {
 struct cmdq_cb_data {
 	int			sta;
 	void			*data;
+	struct cmdq_pkt		*pkt;
 };
 
 typedef void (*cmdq_async_flush_cb)(struct cmdq_cb_data data);
-- 
2.17.1