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Tue, 28 Jan 2025 02:56:01 -0800 (PST) Date: Tue, 28 Jan 2025 11:55:56 +0100 From: Stephan Gerhold To: Konrad Dybcio Cc: Luca Weiss , ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, Bjorn Andersson , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Stephan Gerhold , Konrad Dybcio , Matti =?iso-8859-1?Q?Lehtim=E4ki?= , linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 04/13] remoteproc: qcom_q6v5_mss: Handle platforms with one power domain Message-ID: References: <20250127-msm8226-modem-v3-0-67e968787eef@lucaweiss.eu> <20250127-msm8226-modem-v3-4-67e968787eef@lucaweiss.eu> <5b0f9cd4-df65-4963-8d6d-5bdf759ba0c5@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <5b0f9cd4-df65-4963-8d6d-5bdf759ba0c5@oss.qualcomm.com> On Tue, Jan 28, 2025 at 11:45:51AM +0100, Konrad Dybcio wrote: > On 27.01.2025 11:45 PM, Luca Weiss wrote: > > For example MSM8974 has mx voltage rail exposed as regulator and only cx > > voltage rail is exposed as power domain. This power domain (cx) is > > attached internally in power domain and cannot be attached in this driver. > > > > Fixes: 8750cf392394 ("remoteproc: qcom_q6v5_mss: Allow replacing regulators with power domains") > > Co-developed-by: Matti Lehtimäki > > Signed-off-by: Matti Lehtimäki > > Signed-off-by: Luca Weiss > > --- > > drivers/remoteproc/qcom_q6v5_mss.c | 20 +++++++++++++++++--- > > 1 file changed, 17 insertions(+), 3 deletions(-) > > > > diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c > > index e78bd986dc3f256effce4470222c0a5faeea86ec..0e1b0934ceedd13d5790b798afc95d68a8314c75 100644 > > --- a/drivers/remoteproc/qcom_q6v5_mss.c > > +++ b/drivers/remoteproc/qcom_q6v5_mss.c > > @@ -1831,6 +1831,13 @@ static int q6v5_pds_attach(struct device *dev, struct device **devs, > > while (pd_names[num_pds]) > > num_pds++; > > > > + /* Handle single power domain */ > > + if (num_pds == 1 && dev->pm_domain) { > > + devs[0] = dev; > > + pm_runtime_enable(dev); > > This call can fail > It returns void though? :D void pm_runtime_enable(struct device *dev); Stephan