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Re: [PATCH] bus: omap-ocp2scp: Fix error handling in omap_ocp2scp_probe

From Kishon Vijay Abraham I <kishon@ti.com>
Newsgroups linux.kernel
Subject Re: [PATCH] bus: omap-ocp2scp: Fix error handling in omap_ocp2scp_probe
Date 2017-07-04 12:30 +0200
Message-ID <tZtfI-6Ye-15@gated-at.bofh.it> (permalink)
References <tILLJ-7Zm-37@gated-at.bofh.it>
Organization linux.* mail to news gateway

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+Tony, Arnd,

Hi,

On Friday 19 May 2017 02:16 PM, Kishon Vijay Abraham I wrote:
> The error handling code in omap_ocp2scp_probe fails to invoke
> pm_runtime_disable and fails to initialize return value in
> certain cases. Fix it here.

Can this patch be picked into arm-soc tree?

Thanks
Kishon
> 
> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
> ---
>  drivers/bus/omap-ocp2scp.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/bus/omap-ocp2scp.c b/drivers/bus/omap-ocp2scp.c
> index bf500e0e7362..77791f3dcfc6 100644
> --- a/drivers/bus/omap-ocp2scp.c
> +++ b/drivers/bus/omap-ocp2scp.c
> @@ -70,8 +70,10 @@ static int omap_ocp2scp_probe(struct platform_device *pdev)
>  	if (!of_device_is_compatible(np, "ti,am437x-ocp2scp")) {
>  		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>  		regs = devm_ioremap_resource(&pdev->dev, res);
> -		if (IS_ERR(regs))
> -			goto err0;
> +		if (IS_ERR(regs)) {
> +			ret = PTR_ERR(regs);
> +			goto err1;
> +		}
>  
>  		pm_runtime_get_sync(&pdev->dev);
>  		reg = readl_relaxed(regs + OCP2SCP_TIMING);
> @@ -83,6 +85,9 @@ static int omap_ocp2scp_probe(struct platform_device *pdev)
>  
>  	return 0;
>  
> +err1:
> +	pm_runtime_disable(&pdev->dev);
> +
>  err0:
>  	device_for_each_child(&pdev->dev, NULL, ocp2scp_remove_devices);
>  
> 

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Re: [PATCH] bus: omap-ocp2scp: Fix error handling in  omap_ocp2scp_probe Kishon Vijay Abraham I <kishon@ti.com> - 2017-07-04 12:30 +0200
  Re: [PATCH] bus: omap-ocp2scp: Fix error handling in  omap_ocp2scp_probe Tony Lindgren <tony@atomide.com> - 2017-07-05 10:10 +0200
    Re: [PATCH] bus: omap-ocp2scp: Fix error handling in  omap_ocp2scp_probe Kishon Vijay Abraham I <kishon@ti.com> - 2017-07-11 12:20 +0200

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