[U-Boot] [PATCH 2/2] fastboot: Enable the respective speed endpoints at runtime
Roger Quadros
rogerq at ti.com
Tue Apr 12 14:51:49 CEST 2016
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 <rogerq at 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;
}
+
+ 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;
--
2.5.0
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