Hi Roger,
> In a dual speed configuration we need to check at runtime if
> we want to enable the Full-Speed or High-Speed endpoint.
>
> Signed-off-by: Roger Quadros <rog...@ti.com>
> ---
> drivers/usb/gadget/f_fastboot.c | 19 +++++++++++++++----
> 1 file changed, 15 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/usb/gadget/f_fastboot.c
> b/drivers/usb/gadget/f_fastboot.c index e1038ea..8ab187e 100644
> --- a/drivers/usb/gadget/f_fastboot.c
> +++ b/drivers/usb/gadget/f_fastboot.c
> @@ -115,6 +115,15 @@ static struct usb_descriptor_header
> *fb_hs_function[] = { NULL,
> };
>
> +static struct usb_endpoint_descriptor *
> +fb_ep_desc(struct usb_gadget *g, struct usb_endpoint_descriptor *fs,
> + struct usb_endpoint_descriptor *hs)
> +{
> + if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH)
> + return hs;
> + return fs;
> +}
> +
> /*
> * static strings, in UTF-8
> */
> @@ -255,18 +264,19 @@ static int fastboot_set_alt(struct usb_function
> *f, struct usb_composite_dev *cdev = f->config->cdev;
> struct usb_gadget *gadget = cdev->gadget;
> struct f_fastboot *f_fb = func_to_fastboot(f);
> + const struct usb_endpoint_descriptor *d;
>
> debug("%s: func: %s intf: %d alt: %d\n",
> __func__, f->name, interface, alt);
>
> - /* make sure we don't enable the ep twice */
> if (gadget->speed == USB_SPEED_HIGH) {
> - ret = usb_ep_enable(f_fb->out_ep, &hs_ep_out);
> is_high_speed = true;
> } else {
> - ret = usb_ep_enable(f_fb->out_ep, &fs_ep_out);
> is_high_speed = false;
> }
Very minor remark -
Those {} are not needed.
> +
> + d = fb_ep_desc(gadget, &fs_ep_out, &hs_ep_out);
> + ret = usb_ep_enable(f_fb->out_ep, d);
> if (ret) {
> puts("failed to enable out ep\n");
> return ret;
> @@ -280,7 +290,8 @@ static int fastboot_set_alt(struct usb_function
> *f, }
> f_fb->out_req->complete = rx_handler_command;
>
> - ret = usb_ep_enable(f_fb->in_ep, &fs_ep_in);
> + d = fb_ep_desc(gadget, &fs_ep_in, &hs_ep_in);
> + ret = usb_ep_enable(f_fb->in_ep, d);
> if (ret) {
> puts("failed to enable in ep\n");
> goto err;
Despite of that:
Acked-by: Lukasz Majewski <l.majew...@samsung.com>
--
Best regards,
Lukasz Majewski
Samsung R&D Institute Poland (SRPOL) | Linux Platform Group
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