From: Tzung-Bi Shih <tzungbi@google.com>
To: "allen-kh.cheng" <allen-kh.cheng@mediatek.com>
Cc: Jassi Brar <jassisinghbrar@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Linux-ALSA <alsa-devel@alsa-project.org>,
cujomalainey@google.com,
Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
Liam Girdwood <lgirdwood@gmail.com>,
Ranjani Sridharan <ranjani.sridharan@linux.intel.com>,
Kai Vehmanen <kai.vehmanen@linux.intel.com>,
Daniel Baluta <daniel.baluta@nxp.com>,
Mark Brown <broonie@kernel.org>, Jaroslav Kysela <perex@perex.cz>,
Takashi Iwai <tiwai@suse.com>,
Project_Global_Chrome_Upstream_Group@mediatek.com,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
sound-open-firmware@alsa-project.org
Subject: Re: [PATCH v3 3/3] firmware: mediatek: add adsp ipc protocol interface
Date: Thu, 25 Nov 2021 14:26:37 +0800 [thread overview]
Message-ID: <YZ8snZR/KHLDhIlf@google.com> (raw)
In-Reply-To: <43976e8aab2e3055195d8e9c2f466a804e4d2ba7.camel@mediatek.com>
On Thu, Nov 25, 2021 at 09:47:22AM +0800, allen-kh.cheng wrote:
> On Wed, 2021-11-24 at 18:25 +0800, Tzung-Bi Shih wrote:
> > On Wed, Nov 24, 2021 at 04:45:14PM +0800, allen-kh.cheng wrote:
> > > + for (i = 0; i < MTK_ADSP_MBOX_NUM; i++) {
> > > + chan_name = kasprintf(GFP_KERNEL, "mbox%d", i);
> > > + if (!chan_name)
> > > + return -ENOMEM;
> > > +
> > > + dsp_chan = &dsp_ipc->chans[i];
> > > + cl = &dsp_chan->cl;
> > > + cl->dev = dev->parent;
> > > + cl->tx_block = false;
> > > + cl->knows_txdone = false;
> > > + cl->tx_prepare = NULL;
> > > + cl->rx_callback = adsp_ipc_recv;
> > > +
> > > + dsp_chan->ipc = dsp_ipc;
> > > + dsp_chan->idx = i;
> > > + dsp_chan->ch = mbox_request_channel_byname(cl,
> > > chan_name);
> > > + if (IS_ERR(dsp_chan->ch)) {
> > > + ret = PTR_ERR(dsp_chan->ch);
> > > + if (ret != -EPROBE_DEFER)
> > > + dev_err(dev, "Failed to request mbox
> > > chan %d ret %d\n",
> > > + i, ret);
> >
> > If ret == -EPROBE_DEFER, wouldn't it need to return
> > -EPROBE_DEFER? It doesn't retry later if -EPROBE_DEFER.
>
> If ret != -EPROBE_DEFER, it will show a error message then goto out.
>
> If ret == -EPROBE_DEFER, probe funcation also will goto out.
>
>
> Both of them will return ret. will not go to next round.
I see. I misunderstood.
prev parent reply other threads:[~2021-11-25 6:31 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20211124084514.28002-1-allen-kh.cheng@mediatek.com>
[not found] ` <20211124084514.28002-3-allen-kh.cheng@mediatek.com>
2021-11-24 10:25 ` [PATCH v3 2/3] mailbox: mediatek: add support for adsp mailbox controller Tzung-Bi Shih
[not found] ` <f3642bcd031fbfd461b5efae1eba4816cc4856b2.camel@mediatek.com>
2021-11-25 6:23 ` Tzung-Bi Shih
[not found] ` <20211124084514.28002-4-allen-kh.cheng@mediatek.com>
2021-11-24 10:25 ` [PATCH v3 3/3] firmware: mediatek: add adsp ipc protocol interface Tzung-Bi Shih
[not found] ` <43976e8aab2e3055195d8e9c2f466a804e4d2ba7.camel@mediatek.com>
2021-11-25 6:26 ` Tzung-Bi Shih [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=YZ8snZR/KHLDhIlf@google.com \
--to=tzungbi@google.com \
--cc=Project_Global_Chrome_Upstream_Group@mediatek.com \
--cc=allen-kh.cheng@mediatek.com \
--cc=alsa-devel@alsa-project.org \
--cc=broonie@kernel.org \
--cc=cujomalainey@google.com \
--cc=daniel.baluta@nxp.com \
--cc=devicetree@vger.kernel.org \
--cc=jassisinghbrar@gmail.com \
--cc=kai.vehmanen@linux.intel.com \
--cc=lgirdwood@gmail.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=matthias.bgg@gmail.com \
--cc=perex@perex.cz \
--cc=pierre-louis.bossart@linux.intel.com \
--cc=ranjani.sridharan@linux.intel.com \
--cc=robh+dt@kernel.org \
--cc=sound-open-firmware@alsa-project.org \
--cc=tiwai@suse.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).