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usb: gadget: f_ecm: Add get_status callback

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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: 481c225c48 ("usb: gadget: Handle function suspend feature selector")
Signed-off-by: Prashanth K <prashanth.k@oss.qualcomm.com>
Reviewed-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20250422103231.1954387-2-prashanth.k@oss.qualcomm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Prashanth K 2025-04-22 16:02:29 +05:30 committed by Greg Kroah-Hartman
parent 732f35cf8b
commit 8e3820271c
1 changed files with 7 additions and 0 deletions
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7
drivers/usb/gadget/function/f_ecm.c
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@ -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;