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Message-ID: <04ea2835-518a-4829-b70a-66043c3acf0e@nxp.com>
Date: Thu, 25 Jan 2024 00:11:47 +0200
From: Iuliana Prodan <iuliana.prodan@....com>
To: Andrew Davis <afd@...com>, Bjorn Andersson <andersson@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>, Shawn Guo
<shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>, NXP Linux Team <linux-imx@....com>,
Konrad Dybcio <konrad.dybcio@...aro.org>,
Patrice Chotard <patrice.chotard@...s.st.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>
Cc: linux-remoteproc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH 1/9] remoteproc: imx_dsp_rproc: Use devm_rproc_alloc()
helper
On 1/23/2024 8:46 PM, Andrew Davis wrote:
> Use the device lifecycle managed allocation function. This helps prevent
> mistakes like freeing out of order in cleanup functions and forgetting to
> free on error paths.
>
> Signed-off-by: Andrew Davis <afd@...com>
Reviewed-by: Iuliana Prodan <iuliana.prodan@....com>
Thanks,
Iulia
> ---
> drivers/remoteproc/imx_dsp_rproc.c | 11 ++++-------
> 1 file changed, 4 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c
> index a1c62d15f16c6..56a799cb8b363 100644
> --- a/drivers/remoteproc/imx_dsp_rproc.c
> +++ b/drivers/remoteproc/imx_dsp_rproc.c
> @@ -1104,8 +1104,8 @@ static int imx_dsp_rproc_probe(struct platform_device *pdev)
> return ret;
> }
>
> - rproc = rproc_alloc(dev, "imx-dsp-rproc", &imx_dsp_rproc_ops, fw_name,
> - sizeof(*priv));
> + rproc = devm_rproc_alloc(dev, "imx-dsp-rproc", &imx_dsp_rproc_ops,
> + fw_name, sizeof(*priv));
> if (!rproc)
> return -ENOMEM;
>
> @@ -1125,14 +1125,14 @@ static int imx_dsp_rproc_probe(struct platform_device *pdev)
> ret = imx_dsp_rproc_detect_mode(priv);
> if (ret) {
> dev_err(dev, "failed on imx_dsp_rproc_detect_mode\n");
> - goto err_put_rproc;
> + return ret;
> }
>
> /* There are multiple power domains required by DSP on some platform */
> ret = imx_dsp_attach_pm_domains(priv);
> if (ret) {
> dev_err(dev, "failed on imx_dsp_attach_pm_domains\n");
> - goto err_put_rproc;
> + return ret;
> }
> /* Get clocks */
> ret = imx_dsp_rproc_clk_get(priv);
> @@ -1155,8 +1155,6 @@ static int imx_dsp_rproc_probe(struct platform_device *pdev)
>
> err_detach_domains:
> imx_dsp_detach_pm_domains(priv);
> -err_put_rproc:
> - rproc_free(rproc);
>
> return ret;
> }
> @@ -1169,7 +1167,6 @@ static void imx_dsp_rproc_remove(struct platform_device *pdev)
> pm_runtime_disable(&pdev->dev);
> rproc_del(rproc);
> imx_dsp_detach_pm_domains(priv);
> - rproc_free(rproc);
> }
>
> /* pm runtime functions */
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