linux-kernel - Re: [PATCH v3] USB: OHCI: ohci-pxa27x: remove useless functions

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Date:   Thu, 1 Dec 2016 10:16:24 -0500 (EST)
From:   Alan Stern <stern@...land.harvard.edu>
To:     csmanjuvijay@...il.com
cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] USB: OHCI: ohci-pxa27x: remove useless functions

On Thu, 1 Dec 2016 csmanjuvijay@...il.com wrote:

> From: Manjunath Goudar <csmanjuvijay@...il.com>
> 
> The ohci_hcd_pxa27x_drv_probe function is not doing anything other
> than calling usb_hcd_pxa27x_probe function so ohci_hcd_pxa27x_drv_probe
> function is useless that is why removed ohci_hcd_pxa27x_drv_probe
> function and renamed usb_hcd_pxa27x_probe function to
> ohci_hcd_pxa27x_drv_probe for proper naming.
> 
> The ohci_hcd_pxa27x_remove function is also not doing anything other than
> calling usb_hcd_pxa27x_remove that is why removed ohci_hcd_pxa27x_remove
> function and renamed usb_hcd_pxa27x_remove to ohci_hcd_pxa27x_remove for
> proper naming.
> 
> Signed-off-by: Manjunath Goudar <csmanjuvijay@...il.com>
> Cc: Alan Stern <stern@...land.harvard.edu>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: linux-usb@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> ---
> Changelog v1 -> v2:
> Removed warnings and errors of checkpatch.pl script.
> Replaced unuseful with useless in patch commit message for proper meaning.
> Removed usb_disabled() from ohci_hcd_pxa27x_drv_probe function because it
> is already existing in ohci_pxa27x_init function
> 
> Changelog v2 -> v3:
> Removed checkpatch.pl warnings and errors cleanup code which is not related
> to this patch.
>  drivers/usb/host/ohci-pxa27x.c | 38 ++++++++++++--------------------------
>  1 file changed, 12 insertions(+), 26 deletions(-)

Just one little thing...

> diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
> index a667cf2..1b6b46e 100644
> --- a/drivers/usb/host/ohci-pxa27x.c
> +++ b/drivers/usb/host/ohci-pxa27x.c
> @@ -404,7 +404,7 @@ static int ohci_pxa_of_init(struct platform_device *pdev)
>  
>  
>  /**
> - * usb_hcd_pxa27x_probe - initialize pxa27x-based HCDs
> + * ohci_hcd_pxa27x_probe - initialize pxa27x-based HCDs
>   * Context: !in_interrupt()
>   *
>   * Allocates basic resources for this USB host controller, and
> @@ -412,7 +412,7 @@ static int ohci_pxa_of_init(struct platform_device *pdev)
>   * through the hotplug entry's driver_data.
>   *
>   */
> -int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device *pdev)
> +static int ohci_hcd_pxa27x_probe(struct platform_device *pdev)
>  {
>  	int retval, irq;
>  	struct usb_hcd *hcd;
> @@ -423,6 +423,8 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device
>  	struct clk *usb_clk;
>  	unsigned int i;
>  
> +	pr_debug("In ohci_hcd_pxa27x_drv_probe");
> +

Don't insert this pr_debug line.  After fixing that up, you can add:

Acked-by: Alan Stern <stern@...land.harvard.edu>

Alan Stern