lkml.org 
[lkml]   [2020]   [Jun]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH AUTOSEL 5.6 303/606] soc: mediatek: cmdq: return send msg error code
    Date
    From: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>

    [ Upstream commit 34c4e4072603ff5c174df73b973896abb76cbb51 ]

    Return error code to client if send message fail,
    so that client has chance to error handling.

    Fixes: 576f1b4bc802 ("soc: mediatek: Add Mediatek CMDQ helper")
    Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@mediatek.com>
    Reviewed-by: CK Hu <ck.hu@mediatek.com>
    Link: https://lore.kernel.org/r/1583664775-19382-6-git-send-email-dennis-yc.hsieh@mediatek.com
    Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/soc/mediatek/mtk-cmdq-helper.c | 4 +++-
    1 file changed, 3 insertions(+), 1 deletion(-)

    diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
    index db37144ae98c..87ee9f767b7a 100644
    --- a/drivers/soc/mediatek/mtk-cmdq-helper.c
    +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
    @@ -351,7 +351,9 @@ int cmdq_pkt_flush_async(struct cmdq_pkt *pkt, cmdq_async_flush_cb cb,
    spin_unlock_irqrestore(&client->lock, flags);
    }

    - mbox_send_message(client->chan, pkt);
    + 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);

    --
    2.25.1
    \
     
     \ /
      Last update: 2020-06-09 02:20    [W:4.202 / U:0.076 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site