Commit 8e382027 authored by Prashanth K's avatar Prashanth K Committed by Greg Kroah-Hartman
Browse files

usb: gadget: f_ecm: Add get_status callback 



When host sends GET_STATUS to ECM interface, handle the request
from the function driver. Since the interface is wakeup capable,
set the corresponding bit, and set RW bit if the function is
already armed for wakeup by the host.

Cc: stable <stable@kernel.org>
Fixes: 481c225c ("usb: gadget: Handle function suspend feature selector")
Signed-off-by: default avatarPrashanth K <prashanth.k@oss.qualcomm.com>
Reviewed-by: default avatarThinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20250422103231.1954387-2-prashanth.k@oss.qualcomm.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 732f35cf

drivers/usb/gadget/function/f_ecm.c

+7 −0
Original line number Diff line number Diff line
@@ -892,6 +892,12 @@ static void ecm_resume(struct usb_function *f) 
	gether_resume(&ecm->port);

}



static int ecm_get_status(struct usb_function *f)

{

	return (f->func_wakeup_armed ? USB_INTRF_STAT_FUNC_RW : 0) |

		USB_INTRF_STAT_FUNC_RW_CAP;

}



static void ecm_free(struct usb_function *f)

{

	struct f_ecm *ecm;
@@ -960,6 +966,7 @@ static struct usb_function *ecm_alloc(struct usb_function_instance *fi) 
	ecm->port.func.disable = ecm_disable;

	ecm->port.func.free_func = ecm_free;

	ecm->port.func.suspend = ecm_suspend;

	ecm->port.func.get_status = ecm_get_status;

	ecm->port.func.resume = ecm_resume;



	return &ecm->port.func;