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[86.115.59.36]) by smtp.gmail.com with ESMTPSA id k6-20020a2eb746000000b00281350bb5fbsm2346731ljo.2.2023.01.12.12.26.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Jan 2023 12:26:34 -0800 (PST) From: =?utf-8?q?Matti_Lehtim=C3=A4ki?= To: linux-arm-msm@vger.kernel.org Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, Luca Weiss , =?utf-8?q?Matti_Lehtim=C3=A4ki?= , Andy Gross , Bjorn Andersson , Konrad Dybcio , Mathieu Poirier , linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/8] remoteproc: qcom_q6v5_mss: Handle platforms with only single power domain Date: Thu, 12 Jan 2023 22:26:05 +0200 Message-Id: <20230112202612.791455-3-matti.lehtimaki@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230112202612.791455-1-matti.lehtimaki@gmail.com> References: <20230112202612.791455-1-matti.lehtimaki@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Luca Weiss For example MSM8226 has only one power domain (cx) which is attached internally in power domain and cannot be attached in this driver. Signed-off-by: Luca Weiss Signed-off-by: Matti Lehtimäki --- drivers/remoteproc/qcom_q6v5_mss.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c index 2f4027664a0e..745627a36bcf 100644 --- a/drivers/remoteproc/qcom_q6v5_mss.c +++ b/drivers/remoteproc/qcom_q6v5_mss.c @@ -1820,6 +1820,13 @@ static int q6v5_pds_attach(struct device *dev, struct device **devs, if (!pd_names) return 0; + /* Handle single power domain */ + if (dev->pm_domain) { + devs[0] = dev; + pm_runtime_enable(dev); + return 1; + } + while (pd_names[num_pds]) num_pds++; @@ -1843,8 +1850,15 @@ static int q6v5_pds_attach(struct device *dev, struct device **devs, static void q6v5_pds_detach(struct q6v5 *qproc, struct device **pds, size_t pd_count) { + struct device *dev = qproc->dev; int i; + /* Handle single power domain */ + if (dev->pm_domain && pd_count) { + pm_runtime_disable(dev); + return; + } + for (i = 0; i < pd_count; i++) dev_pm_domain_detach(pds[i], false); }