2016-11-27 14:58:06

by Alan Stern

[permalink] [raw]
Subject: Re: [PATCH] USB: EHCI: ehci-w90x900: remove unuseful functions

On Thu, 24 Nov 2016 [email protected] wrote:

> From: Manjunath Goudar <[email protected]>
>
> The ehci_w90x900_probe function is not doing anything other than
> calling usb_w90x900_probe function so ehci_w90x900_probe function
> is unuseful that is why removed ehci_w90x900_probe functions and
> renamed usb_w90x900_probe function to ehci_w90x900_probe for proper
> naming.
>
> The ehci_w90x900_remove function is also not doing anything other
> than calling usb_w90x900_remove that is why removed ehci_w90x900_remove
> function and renamed usb_w90x900_remove to ehci_w90x900_remove for proper
> naming.
>
> This also removes warning of checkpatch.pl script.
>
> Signed-off-by: Manjunath Goudar <[email protected]>
> Cc: Arnd Bergmann <[email protected]>
> Cc: Greg KH <[email protected]>
> Cc: Alan Stern <[email protected]>
> Cc: Wan ZongShun <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> ---

Acked-by: Alan Stern <[email protected]>

> drivers/usb/host/ehci-w90x900.c | 30 ++++++++----------------------
> 1 file changed, 8 insertions(+), 22 deletions(-)
>
> diff --git a/drivers/usb/host/ehci-w90x900.c b/drivers/usb/host/ehci-w90x900.c
> index e42a29e..63b9d0c 100644
> --- a/drivers/usb/host/ehci-w90x900.c
> +++ b/drivers/usb/host/ehci-w90x900.c
> @@ -33,8 +33,7 @@ static const char hcd_name[] = "ehci-w90x900 ";
>
> static struct hc_driver __read_mostly ehci_w90x900_hc_driver;
>
> -static int usb_w90x900_probe(const struct hc_driver *driver,
> - struct platform_device *pdev)
> +static int ehci_w90x900_probe(struct platform_device *pdev)
> {
> struct usb_hcd *hcd;
> struct ehci_hcd *ehci;
> @@ -42,7 +41,8 @@ static int usb_w90x900_probe(const struct hc_driver *driver,
> int retval = 0, irq;
> unsigned long val;
>
> - hcd = usb_create_hcd(driver, &pdev->dev, "w90x900 EHCI");
> + hcd = usb_create_hcd(&ehci_w90x900_hc_driver,
> + &pdev->dev, "w90x900 EHCI");
> if (!hcd) {
> retval = -ENOMEM;
> goto err1;
> @@ -63,9 +63,9 @@ static int usb_w90x900_probe(const struct hc_driver *driver,
> HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase));
>
> /* enable PHY 0,1,the regs only apply to w90p910
> - * 0xA4,0xA8 were offsets of PHY0 and PHY1 controller of
> - * w90p910 IC relative to ehci->regs.
> - */
> + * 0xA4,0xA8 were offsets of PHY0 and PHY1 controller of
> + * w90p910 IC relative to ehci->regs.
> + */
> val = __raw_readl(ehci->regs+PHY0_CTR);
> val |= ENPHY;
> __raw_writel(val, ehci->regs+PHY0_CTR);
> @@ -92,26 +92,12 @@ static int usb_w90x900_probe(const struct hc_driver *driver,
> return retval;
> }
>
> -static void usb_w90x900_remove(struct usb_hcd *hcd,
> - struct platform_device *pdev)
> -{
> - usb_remove_hcd(hcd);
> - usb_put_hcd(hcd);
> -}
> -
> -static int ehci_w90x900_probe(struct platform_device *pdev)
> -{
> - if (usb_disabled())
> - return -ENODEV;
> -
> - return usb_w90x900_probe(&ehci_w90x900_hc_driver, pdev);
> -}
> -
> static int ehci_w90x900_remove(struct platform_device *pdev)
> {
> struct usb_hcd *hcd = platform_get_drvdata(pdev);
>
> - usb_w90x900_remove(hcd, pdev);
> + usb_remove_hcd(hcd);
> + usb_put_hcd(hcd);
>
> return 0;
> }