From 34c4e4072603ff5c174df73b973896abb76cbb51 Mon Sep 17 00:00:00 2001 From: Dennis YC Hsieh Date: Sun, 8 Mar 2020 18:52:47 +0800 Subject: soc: mediatek: cmdq: return send msg error code 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 Reviewed-by: CK Hu Link: https://lore.kernel.org/r/1583664775-19382-6-git-send-email-dennis-yc.hsieh@mediatek.com Signed-off-by: Matthias Brugger --- drivers/soc/mediatek/mtk-cmdq-helper.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/soc/mediatek') 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); -- cgit v1.2.3