linux-kernel - Re: [PATCH 2/2] usb: misc: refactor code

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Date:   Tue, 04 Apr 2017 10:43:13 +0300
From:   Felipe Balbi <felipe.balbi@...ux.intel.com>
To:     "Gustavo A. R. Silva" <garsilva@...eddedor.com>,
        Alan Stern <stern@...land.harvard.edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Peter Chen <peter.chen@....com>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Mathias Nyman <mathias.nyman@...ux.intel.com>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Peter Senna Tschudin <peter.senna@...il.com>,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: Re: [PATCH 2/2] usb: misc: refactor code


Hi,

"Gustavo A. R. Silva" <garsilva@...eddedor.com> writes:
> Code refactoring to make the flow easier to follow.
>
> Cc: Alan Stern <stern@...loand.harvard.edu>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
> ---
>  drivers/usb/misc/usbtest.c | 67 +++++++++++++++++++++-------------------------
>  1 file changed, 30 insertions(+), 37 deletions(-)
>
> diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
> index 7bfb6b78..382491e 100644
> --- a/drivers/usb/misc/usbtest.c
> +++ b/drivers/usb/misc/usbtest.c
> @@ -124,18 +124,32 @@ static struct usb_device *testdev_to_usbdev(struct usbtest_dev *test)
>  
>  /*-------------------------------------------------------------------------*/
>  
> +static inline void endpoint_update(int edi,
> +				   struct usb_host_endpoint **in,
> +				   struct usb_host_endpoint **out,
> +				   struct usb_host_endpoint *e)
> +{
> +	if (edi) {
> +		if (!*in)
> +			*in = e;
> +	} else {
> +		if (!*out)
> +			*out = e;
> +	}
> +}
> +
>  static int
>  get_endpoints(struct usbtest_dev *dev, struct usb_interface *intf)
>  {
> -	int				tmp;
> -	struct usb_host_interface	*alt;
> -	struct usb_host_endpoint	*in, *out;
> -	struct usb_host_endpoint	*iso_in, *iso_out;
> -	struct usb_host_endpoint	*int_in, *int_out;
> -	struct usb_device		*udev;
> +	int                             tmp;
> +	struct usb_host_interface       *alt;
> +	struct usb_host_endpoint        *in, *out;
> +	struct usb_host_endpoint        *iso_in, *iso_out;
> +	struct usb_host_endpoint        *int_in, *int_out;
> +	struct usb_device               *udev;

unnecessary change

>  
>  	for (tmp = 0; tmp < intf->num_altsetting; tmp++) {
> -		unsigned	ep;
> +		unsigned        ep;

unnecessary change

>  
>  		in = out = NULL;
>  		iso_in = iso_out = NULL;
> @@ -150,48 +164,27 @@ get_endpoints(struct usbtest_dev *dev, struct usb_interface *intf)
>  		 * ignore other endpoints and altsettings.
>  		 */
>  		for (ep = 0; ep < alt->desc.bNumEndpoints; ep++) {
> -			struct usb_host_endpoint	*e;
> +			struct usb_host_endpoint        *e;

unnecessary change

-- 
balbi

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