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

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Date:   Wed, 26 May 2021 14:51:56 +0800
From:   Yongqiang Niu <yongqiang.niu@...iatek.com>
To:     Chun-Kuang Hu <chunkuang.hu@...nel.org>
CC:     Jassi Brar <jassisinghbrar@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Houlong Wei <houlong.wei@...iatek.com>,
        "Bibby Hsieh" <bibby.hsieh@...iatek.com>,
        Dennis YC Hsieh <dennis-yc.hsieh@...iatek.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>
Subject: Re: [PATCH 3/3] mailbox: mtk-cmdq: Add struct cmdq_pkt in struct
 cmdq_cb_data

Reviewed-by: Yongqiang Niu <yongqiang.niu@...iatek.com>

On Wed, 2021-05-26 at 14:18 +0800, Chun-Kuang Hu wrote:
> + Yongqiang
> 
> Chun-Kuang Hu <chunkuang.hu@...nel.org> 於 2021年3月15日 週一 上午7:33寫道：
> >
> > 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
> >