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[104.188.17.28]) by smtp.gmail.com with ESMTPSA id a15sm16664612pju.3.2020.05.13.22.00.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 May 2020 22:00:44 -0700 (PDT) Date: Wed, 13 May 2020 21:59:14 -0700 From: Bjorn Andersson To: Mathieu Poirier Subject: Re: [PATCH v2 03/12] remoteproc: stm32: Decouple rproc from DT parsing Message-ID: <20200514045914.GI16107@builder.lan> References: <20200424202505.29562-1-mathieu.poirier@linaro.org> <20200424202505.29562-4-mathieu.poirier@linaro.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200424202505.29562-4-mathieu.poirier@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200513_220045_876932_7032BFA1 X-CRM114-Status: GOOD ( 18.57 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ohad@wizery.com, alexandre.torgue@st.com, loic.pallardy@st.com, arnaud.pouliquen@st.com, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, mcoquelin.stm32@gmail.com, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri 24 Apr 13:24 PDT 2020, Mathieu Poirier wrote: > Remove the remote processor from the process of parsing the device tree > since (1) there is no correlation between them and (2) to use the > information that was gathered to make a decision on whether to > synchronise with the M4 or not. > > Signed-off-by: Mathieu Poirier Reviewed-by: Bjorn Andersson > --- > drivers/remoteproc/stm32_rproc.c | 25 ++++++++++++++----------- > 1 file changed, 14 insertions(+), 11 deletions(-) > > diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c > index 1ac90adba9b1..57a426ea620b 100644 > --- a/drivers/remoteproc/stm32_rproc.c > +++ b/drivers/remoteproc/stm32_rproc.c > @@ -538,12 +538,11 @@ static int stm32_rproc_get_syscon(struct device_node *np, const char *prop, > return err; > } > > -static int stm32_rproc_parse_dt(struct platform_device *pdev) > +static int stm32_rproc_parse_dt(struct platform_device *pdev, > + struct stm32_rproc *ddata, bool *auto_boot) > { > struct device *dev = &pdev->dev; > struct device_node *np = dev->of_node; > - struct rproc *rproc = platform_get_drvdata(pdev); > - struct stm32_rproc *ddata = rproc->priv; > struct stm32_syscon tz; > unsigned int tzen; > int err, irq; > @@ -589,7 +588,7 @@ static int stm32_rproc_parse_dt(struct platform_device *pdev) > > err = regmap_read(tz.map, tz.reg, &tzen); > if (err) { > - dev_err(&rproc->dev, "failed to read tzen\n"); > + dev_err(dev, "failed to read tzen\n"); > return err; > } > ddata->secured_soc = tzen & tz.mask; > @@ -605,7 +604,7 @@ static int stm32_rproc_parse_dt(struct platform_device *pdev) > if (err) > dev_info(dev, "failed to get pdds\n"); > > - rproc->auto_boot = of_property_read_bool(np, "st,auto-boot"); > + *auto_boot = of_property_read_bool(np, "st,auto-boot"); > > return stm32_rproc_of_memory_translations(pdev, ddata); > } > @@ -616,6 +615,7 @@ static int stm32_rproc_probe(struct platform_device *pdev) > struct stm32_rproc *ddata; > struct device_node *np = dev->of_node; > struct rproc *rproc; > + bool auto_boot = false; > int ret; > > ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(32)); > @@ -626,9 +626,16 @@ static int stm32_rproc_probe(struct platform_device *pdev) > if (!rproc) > return -ENOMEM; > > + ddata = rproc->priv; > + > rproc_coredump_set_elf_info(rproc, ELFCLASS32, EM_NONE); > + > + ret = stm32_rproc_parse_dt(pdev, ddata, &auto_boot); > + if (ret) > + goto free_rproc; > + > + rproc->auto_boot = auto_boot; > rproc->has_iommu = false; > - ddata = rproc->priv; > ddata->workqueue = create_workqueue(dev_name(dev)); > if (!ddata->workqueue) { > dev_err(dev, "cannot create workqueue\n"); > @@ -638,13 +645,9 @@ static int stm32_rproc_probe(struct platform_device *pdev) > > platform_set_drvdata(pdev, rproc); > > - ret = stm32_rproc_parse_dt(pdev); > - if (ret) > - goto free_wkq; > - > ret = stm32_rproc_request_mbox(rproc); > if (ret) > - goto free_rproc; > + goto free_wkq; > > ret = rproc_add(rproc); > if (ret) > -- > 2.20.1 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel