Re: [PATCH v2] USB: host: ehci-mxc: Use the defined variable to simplify code

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On Fri, 8 May 2020, Tang Bin wrote:

> Use the defined variable "dev" to make the code cleaner. And
> delete an extra blank line.
> 
> Signed-off-by: Zhang Shengju <zhangshengju@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Tang Bin <tangbin@xxxxxxxxxxxxxxxxxxxx>
> ---
> Changes from v1:
>  - fix the subject and the code.
> ---

Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>

>  drivers/usb/host/ehci-mxc.c | 13 ++++++-------
>  1 file changed, 6 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
> index c9f91e6c7..09e01397f 100644
> --- a/drivers/usb/host/ehci-mxc.c
> +++ b/drivers/usb/host/ehci-mxc.c
> @@ -36,12 +36,12 @@ static const struct ehci_driver_overrides ehci_mxc_overrides __initconst = {
>  
>  static int ehci_mxc_drv_probe(struct platform_device *pdev)
>  {
> -	struct mxc_usbh_platform_data *pdata = dev_get_platdata(&pdev->dev);
> +	struct device *dev = &pdev->dev;
> +	struct mxc_usbh_platform_data *pdata = dev_get_platdata(dev);
>  	struct usb_hcd *hcd;
>  	struct resource *res;
>  	int irq, ret;
>  	struct ehci_mxc_priv *priv;
> -	struct device *dev = &pdev->dev;
>  	struct ehci_hcd *ehci;
>  
>  	if (!pdata) {
> @@ -56,7 +56,7 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
>  		return -ENOMEM;
>  
>  	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	hcd->regs = devm_ioremap_resource(&pdev->dev, res);
> +	hcd->regs = devm_ioremap_resource(dev, res);
>  	if (IS_ERR(hcd->regs)) {
>  		ret = PTR_ERR(hcd->regs);
>  		goto err_alloc;
> @@ -69,14 +69,14 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
>  	priv = (struct ehci_mxc_priv *) ehci->priv;
>  
>  	/* enable clocks */
> -	priv->usbclk = devm_clk_get(&pdev->dev, "ipg");
> +	priv->usbclk = devm_clk_get(dev, "ipg");
>  	if (IS_ERR(priv->usbclk)) {
>  		ret = PTR_ERR(priv->usbclk);
>  		goto err_alloc;
>  	}
>  	clk_prepare_enable(priv->usbclk);
>  
> -	priv->ahbclk = devm_clk_get(&pdev->dev, "ahb");
> +	priv->ahbclk = devm_clk_get(dev, "ahb");
>  	if (IS_ERR(priv->ahbclk)) {
>  		ret = PTR_ERR(priv->ahbclk);
>  		goto err_clk_ahb;
> @@ -84,13 +84,12 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
>  	clk_prepare_enable(priv->ahbclk);
>  
>  	/* "dr" device has its own clock on i.MX51 */
> -	priv->phyclk = devm_clk_get(&pdev->dev, "phy");
> +	priv->phyclk = devm_clk_get(dev, "phy");
>  	if (IS_ERR(priv->phyclk))
>  		priv->phyclk = NULL;
>  	if (priv->phyclk)
>  		clk_prepare_enable(priv->phyclk);
>  
> -
>  	/* call platform specific init function */
>  	if (pdata->init) {
>  		ret = pdata->init(pdev);
> 




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