From: Stephen Boyd <swboyd@chromium.org>
To: Bjorn Andersson <bjorn.andersson@linaro.org>,
Ohad Ben-Cohen <ohad@wizery.com>,
Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH] Revert "rpmsg: smd: Create device for all channels"
Date: Thu, 15 Mar 2018 11:50:01 -0700 [thread overview]
Message-ID: <152113980179.111154.13908491838747798092@swboyd.mtv.corp.google.com> (raw)
In-Reply-To: <20180315181244.8859-1-bjorn.andersson@linaro.org>
Quoting Bjorn Andersson (2018-03-15 11:12:44)
> In an effort to pick up channels that are in a funky state we
> optimistically tried to open all channels that we found, with the
> addition that we failed if the other side did not handshake the opening.
>
> But as we're starting the modem a second time all channels are found -
> in a "funky" state - and we try to open them. But the modem firmware
> requires the IPCRTR to be up in order to initialize. So any channels we
> try to open before that will fail and will not be opened again.
>
> This takes care of the regression, at the cost of reintroducing the
> previous behavior of handling of channels with "funky" states.
Is it a funky chicken and egg problem between IPCRTR and smd?
prev parent reply other threads:[~2018-03-15 18:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-15 18:12 [PATCH] Revert "rpmsg: smd: Create device for all channels" Bjorn Andersson
2018-03-15 18:50 ` Stephen Boyd [this message]
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