linux-kernel - Re: [PATCH] usb: xhci: tegra: fix runtime PM error handling

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Message-ID: <738c34e8-e6cc-9947-8d4f-3867b57a0e12@nvidia.com>
Date:   Tue, 19 Jun 2018 11:07:20 +0100
From:   Jon Hunter <jonathanh@...dia.com>
To:     Stefan Agner <stefan@...er.ch>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     Mathias Nyman <mathias.nyman@...el.com>,
        Thierry Reding <thierry.reding@...il.com>,
        <linux-usb@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] usb: xhci: tegra: fix runtime PM error handling


On 17/06/18 12:12, Stefan Agner wrote:
> The address-of operator will always evaluate to true. However,
> power should be explicitly disabled if no power domain is used.
> 
> Remove the address-of operator.
> 
> Fixes: 58c38116c6cc ("usb: xhci: tegra: Add support for managing powergates")
> Signed-off-by: Stefan Agner <stefan@...er.ch>
> ---
>  drivers/usb/host/xhci-tegra.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c
> index a8c1d073cba0..33daac4136e8 100644
> --- a/drivers/usb/host/xhci-tegra.c
> +++ b/drivers/usb/host/xhci-tegra.c
> @@ -1223,10 +1223,10 @@ static int tegra_xusb_probe(struct platform_device *pdev)
>  	pm_runtime_disable(&pdev->dev);
>  	usb_put_hcd(tegra->hcd);
>  disable_xusbc:
> -	if (!&pdev->dev.pm_domain)
> +	if (!pdev->dev.pm_domain)
>  		tegra_powergate_power_off(TEGRA_POWERGATE_XUSBC);
>  disable_xusba:
> -	if (!&pdev->dev.pm_domain)
> +	if (!pdev->dev.pm_domain)
>  		tegra_powergate_power_off(TEGRA_POWERGATE_XUSBA);
>  put_padctl:
>  	tegra_xusb_padctl_put(tegra->padctl);
> 

Acked-by: Jon Hunter <jonathanh@...dia.com>

Thanks for fixing!
Jon

-- 
nvpublic