linux-kernel - Re: [PATCH 1/4] usb: ohci-exynos: Use struct device instead of platform

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Date:	Mon, 28 Apr 2014 19:30:03 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Vivek Gautam' <gautam.vivek@...sung.com>,
	linux-usb@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	gregkh@...uxfoundation.org, balbi@...com, kgene.kim@...sung.com,
	k.debski@...sung.com, 'Alan Stern' <stern@...land.harvard.edu>,
	'Jingoo Han' <jg1.han@...sung.com>
Subject: Re: [PATCH 1/4] usb: ohci-exynos: Use struct device instead of
 platform_device

On Monday, April 28, 2014 6:25 PM, Vivek Gautam wrote:
> 
> Change to use struct device instead of struct platform_device
> for some static functions.
> 
> Signed-off-by: Vivek Gautam <gautam.vivek@...sung.com>
> Cc: Jingoo Han <jg1.han@...sung.com>

Acked-by: Jingoo Han <jg1.han@...sung.com>

Best regards,
Jingoo Han

> Cc: Alan Stern <stern@...land.harvard.edu>
> ---
>  drivers/usb/host/ohci-exynos.c |   20 +++++++++-----------
>  1 file changed, 9 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c
> index 9cf80cb..05f00e3 100644
> --- a/drivers/usb/host/ohci-exynos.c
> +++ b/drivers/usb/host/ohci-exynos.c
> @@ -39,18 +39,18 @@ struct exynos_ohci_hcd {
>  	struct usb_otg *otg;
>  };
> 
> -static void exynos_ohci_phy_enable(struct platform_device *pdev)
> +static void exynos_ohci_phy_enable(struct device *dev)
>  {
> -	struct usb_hcd *hcd = platform_get_drvdata(pdev);
> +	struct usb_hcd *hcd = dev_get_drvdata(dev);
>  	struct exynos_ohci_hcd *exynos_ohci = to_exynos_ohci(hcd);
> 
>  	if (exynos_ohci->phy)
>  		usb_phy_init(exynos_ohci->phy);
>  }
> 
> -static void exynos_ohci_phy_disable(struct platform_device *pdev)
> +static void exynos_ohci_phy_disable(struct device *dev)
>  {
> -	struct usb_hcd *hcd = platform_get_drvdata(pdev);
> +	struct usb_hcd *hcd = dev_get_drvdata(dev);
>  	struct exynos_ohci_hcd *exynos_ohci = to_exynos_ohci(hcd);
> 
>  	if (exynos_ohci->phy)
> @@ -139,7 +139,7 @@ skip_phy:
> 
>  	platform_set_drvdata(pdev, hcd);
> 
> -	exynos_ohci_phy_enable(pdev);
> +	exynos_ohci_phy_enable(&pdev->dev);
> 
>  	err = usb_add_hcd(hcd, irq, IRQF_SHARED);
>  	if (err) {
> @@ -150,7 +150,7 @@ skip_phy:
>  	return 0;
> 
>  fail_add_hcd:
> -	exynos_ohci_phy_disable(pdev);
> +	exynos_ohci_phy_disable(&pdev->dev);
>  fail_io:
>  	clk_disable_unprepare(exynos_ohci->clk);
>  fail_clk:
> @@ -168,7 +168,7 @@ static int exynos_ohci_remove(struct platform_device *pdev)
>  	if (exynos_ohci->otg)
>  		exynos_ohci->otg->set_host(exynos_ohci->otg, &hcd->self);
> 
> -	exynos_ohci_phy_disable(pdev);
> +	exynos_ohci_phy_disable(&pdev->dev);
> 
>  	clk_disable_unprepare(exynos_ohci->clk);
> 
> @@ -190,7 +190,6 @@ static int exynos_ohci_suspend(struct device *dev)
>  {
>  	struct usb_hcd *hcd = dev_get_drvdata(dev);
>  	struct exynos_ohci_hcd *exynos_ohci = to_exynos_ohci(hcd);
> -	struct platform_device *pdev = to_platform_device(dev);
>  	bool do_wakeup = device_may_wakeup(dev);
>  	int rc = ohci_suspend(hcd, do_wakeup);
> 
> @@ -200,7 +199,7 @@ static int exynos_ohci_suspend(struct device *dev)
>  	if (exynos_ohci->otg)
>  		exynos_ohci->otg->set_host(exynos_ohci->otg, &hcd->self);
> 
> -	exynos_ohci_phy_disable(pdev);
> +	exynos_ohci_phy_disable(dev);
> 
>  	clk_disable_unprepare(exynos_ohci->clk);
> 
> @@ -211,14 +210,13 @@ static int exynos_ohci_resume(struct device *dev)
>  {
>  	struct usb_hcd *hcd			= dev_get_drvdata(dev);
>  	struct exynos_ohci_hcd *exynos_ohci	= to_exynos_ohci(hcd);
> -	struct platform_device *pdev		= to_platform_device(dev);
> 
>  	clk_prepare_enable(exynos_ohci->clk);
> 
>  	if (exynos_ohci->otg)
>  		exynos_ohci->otg->set_host(exynos_ohci->otg, &hcd->self);
> 
> -	exynos_ohci_phy_enable(pdev);
> +	exynos_ohci_phy_enable(dev);
> 
>  	ohci_resume(hcd, false);
> 
> --
> 1.7.10.4

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