[U-Boot] [u-boot 34/40] usb: gadget: defer setting maxpacket till ->setup()

[Lukasz Majewski <l.majewski@samsung.com>]

Hi Kishon,

> Taken from linux kernel with commit
> commit 765f5b830e547229bb752e7b232ee83e2b3d49d5
> Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
> Date:   Thu Jun 23 14:26:11 2011 +0200
> 
> usb: gadget: defer setting maxpacket till ->setup()
> 
> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
> ---
>  drivers/usb/gadget/composite.c |    4 +++-
>  drivers/usb/gadget/ether.c     |    2 +-
>  2 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/gadget/composite.c
> b/drivers/usb/gadget/composite.c index a4c5606..5cedc9e 100644
> --- a/drivers/usb/gadget/composite.c
> +++ b/drivers/usb/gadget/composite.c
> @@ -283,7 +283,7 @@ static void device_qual(struct usb_composite_dev
> *cdev) qual->bDeviceSubClass = cdev->desc.bDeviceSubClass;
>  	qual->bDeviceProtocol = cdev->desc.bDeviceProtocol;
>  	/* ASSUME same EP0 fifo size at both speeds */
> -	qual->bMaxPacketSize0 = cdev->desc.bMaxPacketSize0;
> +	qual->bMaxPacketSize0 = cdev->gadget->ep0->maxpacket;
>  	qual->bNumConfigurations = count_configs(cdev,
> USB_DT_DEVICE_QUALIFIER); qual->bRESERVED = 0;
>  }
> @@ -736,6 +736,8 @@ composite_setup(struct usb_gadget *gadget, const
> struct usb_ctrlrequest *ctrl) case USB_DT_DEVICE:
>  			cdev->desc.bNumConfigurations =
>  				count_configs(cdev, USB_DT_DEVICE);
> +			cdev->desc.bMaxPacketSize0 =
> +				cdev->gadget->ep0->maxpacket;
>  			value = min(w_length, (u16) sizeof
> cdev->desc); memcpy(req->buf, &cdev->desc, value);
>  			break;
> diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
> index ba442d5..8ccf9b0 100644
> --- a/drivers/usb/gadget/ether.c
> +++ b/drivers/usb/gadget/ether.c
> @@ -1249,6 +1249,7 @@ eth_setup(struct usb_gadget *gadget, const
> struct usb_ctrlrequest *ctrl) switch (wValue >> 8) {
>  
>  		case USB_DT_DEVICE:
> +			device_desc.bMaxPacketSize0 =
> gadget->ep0->maxpacket; value = min(wLength, (u16) sizeof
> device_desc); memcpy(req->buf, &device_desc, value);
>  			break;
> @@ -2133,7 +2134,6 @@ autoconf_fail:
>  		hs_subset_descriptors();
>  	}
>  
> -	device_desc.bMaxPacketSize0 = gadget->ep0->maxpacket;
>  	usb_gadget_set_selfpowered(gadget);
>  
>  	/* For now RNDIS is always a second config */

Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>

-- 
Best regards,

Lukasz Majewski

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