From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: ohad@wizery.com, mcoquelin.stm32@gmail.com,
alexandre.torgue@st.com, loic.pallardy@st.com,
arnaud.pouliquen@st.com, linux-remoteproc@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 03/12] remoteproc: stm32: Decouple rproc from DT parsing
Date: Wed, 13 May 2020 21:59:14 -0700 [thread overview]
Message-ID: <20200514045914.GI16107@builder.lan> (raw)
In-Reply-To: <20200424202505.29562-4-mathieu.poirier@linaro.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 <mathieu.poirier@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
> 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
>
next prev parent reply other threads:[~2020-05-14 5:00 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-24 20:24 [PATCH v2 00/12] remoteproc: stm32: Add support for synchronising with M4 Mathieu Poirier
2020-04-24 20:24 ` [PATCH v2 01/12] remoteproc: stm32: Decouple rproc from memory translation Mathieu Poirier
2020-05-14 4:57 ` Bjorn Andersson
2020-04-24 20:24 ` [PATCH v2 02/12] remoteproc: stm32: Request IRQ with platform device Mathieu Poirier
2020-05-14 4:57 ` Bjorn Andersson
2020-04-24 20:24 ` [PATCH v2 03/12] remoteproc: stm32: Decouple rproc from DT parsing Mathieu Poirier
2020-04-29 13:37 ` Arnaud POULIQUEN
2020-04-30 20:58 ` Mathieu Poirier
2020-05-14 4:59 ` Bjorn Andersson [this message]
2020-04-24 20:24 ` [PATCH v2 04/12] remoteproc: stm32: Remove memory translation " Mathieu Poirier
2020-05-14 5:03 ` Bjorn Andersson
2020-04-24 20:24 ` [PATCH v2 05/12] remoteproc: stm32: Parse syscon that will manage M4 synchronisation Mathieu Poirier
2020-05-14 5:03 ` Bjorn Andersson
2020-04-24 20:24 ` [PATCH v2 06/12] remoteproc: stm32: Get coprocessor state Mathieu Poirier
2020-04-29 13:38 ` Arnaud POULIQUEN
2020-05-01 17:40 ` Mathieu Poirier
2020-04-24 20:25 ` [PATCH v2 07/12] remoteproc: stm32: Get loaded resource table for synchronisation Mathieu Poirier
2020-04-24 20:25 ` [PATCH v2 08/12] remoteproc: stm32: Introduce new start ops " Mathieu Poirier
2020-04-29 14:50 ` Arnaud POULIQUEN
2020-04-24 20:25 ` [PATCH v2 09/12] remoteproc: stm32: Update M4 state in stm32_rproc_stop() Mathieu Poirier
2020-04-29 14:52 ` Arnaud POULIQUEN
2020-04-24 20:25 ` [PATCH v2 10/12] remoteproc: stm32: Introduce new parse fw ops for synchronisation Mathieu Poirier
2020-05-14 5:13 ` Bjorn Andersson
2020-04-24 20:25 ` [PATCH v2 11/12] remoteproc: stm32: Introduce new loaded rsc " Mathieu Poirier
2020-05-14 5:15 ` Bjorn Andersson
2020-04-24 20:25 ` [PATCH v2 12/12] remoteproc: stm32: Set synchronisation state machine if needed Mathieu Poirier
2020-04-29 14:47 ` Arnaud POULIQUEN
2020-05-01 17:54 ` Mathieu Poirier
2020-04-29 15:08 ` [PATCH v2 00/12] remoteproc: stm32: Add support for synchronising with M4 Arnaud POULIQUEN
2020-05-01 17:59 ` Mathieu Poirier
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