From: "taehyun.cho" <[email protected]> Setup the descriptors for SuperSpeed Plus for f_fs. This allows the gadget to work properly without crashing at SuperSpeed rates.
Cc: Felipe Balbi <[email protected]> Cc: Peter Chen <[email protected]> Cc: stable <[email protected]> Signed-off-by: taehyun.cho <[email protected]> Signed-off-by: Will McVicker <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/usb/gadget/function/f_fs.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 046f770a76da..a34a7c96a1ab 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -1327,6 +1327,7 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code, struct usb_endpoint_descriptor *desc; switch (epfile->ffs->gadget->speed) { + case USB_SPEED_SUPER_PLUS: case USB_SPEED_SUPER: desc_idx = 2; break; @@ -3222,6 +3223,10 @@ static int _ffs_func_bind(struct usb_configuration *c, func->function.os_desc_n = c->cdev->use_os_string ? ffs->interfaces_count : 0; + if (likely(super)) { + func->function.ssp_descriptors = + usb_copy_descriptors(func->function.ss_descriptors); + } /* And we're done */ ffs_event_add(ffs, FUNCTIONFS_BIND); return 0; -- 2.29.2
