linux-kernel - Re: [PATCH 9/9] remoteproc: stm32: Use devm_rproc

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Date: Fri, 2 Feb 2024 11:41:19 -0700
From: Mathieu Poirier <mathieu.poirier@...aro.org>
To: Andrew Davis <afd@...com>
Cc: Bjorn Andersson <andersson@...nel.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>,
	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 9/9] remoteproc: stm32: Use devm_rproc_alloc() helper

On Tue, Jan 23, 2024 at 12:46:32PM -0600, 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>
> ---
>  drivers/remoteproc/stm32_rproc.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
> index 4f469f0bcf8b2..fed0866de1819 100644
> --- a/drivers/remoteproc/stm32_rproc.c
> +++ b/drivers/remoteproc/stm32_rproc.c
> @@ -843,7 +843,7 @@ static int stm32_rproc_probe(struct platform_device *pdev)
>  	if (ret)
>  		return ret;
>  
> -	rproc = rproc_alloc(dev, np->name, &st_rproc_ops, NULL, sizeof(*ddata));
> +	rproc = devm_rproc_alloc(dev, np->name, &st_rproc_ops, NULL, sizeof(*ddata));
>  	if (!rproc)
>  		return -ENOMEM;
>  
> @@ -897,7 +897,6 @@ static int stm32_rproc_probe(struct platform_device *pdev)
>  		dev_pm_clear_wake_irq(dev);
>  		device_init_wakeup(dev, false);
>  	}
> -	rproc_free(rproc);
>  	return ret;
>  }
>  
> @@ -918,7 +917,6 @@ static void stm32_rproc_remove(struct platform_device *pdev)
>  		dev_pm_clear_wake_irq(dev);
>  		device_init_wakeup(dev, false);
>  	}
> -	rproc_free(rproc);
>  }

I have applied patches 1, 2, 8 and 9 of this set.  Bjorn handles the QCOM
peripherals and will take care of the remaining ones.

Thanks,
Mathieu

>  
>  static int stm32_rproc_suspend(struct device *dev)
> -- 
> 2.39.2
>