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usb: f_gsi: Add support for DPL suspend/resume

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Fixes EP configuration for DPL resume sequence.
Sets correct interrupter number for DPL composition
and also checks for NULL on notify EP in the
resume path.

CRs-Fixed: 983160
Change-Id: I7e9bf0aa839e63d8cfe801d3b81dd5f48a315575
Signed-off-by: Devdutt Patnaik <dpatnaik@codeaurora.org>
This commit is contained in:
Devdutt Patnaik 2016-02-29 13:52:50 -08:00 • committed by David Keitel
parent e39b9e71e0
commit d5d9af1ba9
1 changed files with 13 additions and 7 deletions

20
drivers/usb/gadget/function/f_gsi.c
View file

@ -1931,14 +1931,20 @@ static void gsi_resume(struct usb_function *f)
remote_wakeup_allowed = f->config->cdev->gadget->remote_wakeup;
if (!remote_wakeup_allowed) {
gsi->d_port.in_ep->desc = gsi->in_ep_desc_backup;
gsi->d_port.out_ep->desc = gsi->out_ep_desc_backup;
/* Configure EPs for GSI */
gsi->d_port.out_ep->ep_intr_num = 1;
usb_gsi_ep_op(gsi->d_port.out_ep, &gsi->d_port.out_request,
GSI_EP_OP_CONFIG);
gsi->d_port.in_ep->ep_intr_num = 2;
if (gsi->d_port.out_ep) {
gsi->d_port.out_ep->desc = gsi->out_ep_desc_backup;
gsi->d_port.out_ep->ep_intr_num = 1;
usb_gsi_ep_op(gsi->d_port.out_ep,
&gsi->d_port.out_request, GSI_EP_OP_CONFIG);
}
gsi->d_port.in_ep->desc = gsi->in_ep_desc_backup;
if (gsi->prot_id != IPA_USB_DIAG)
gsi->d_port.in_ep->ep_intr_num = 2;
else
gsi->d_port.in_ep->ep_intr_num = 3;
usb_gsi_ep_op(gsi->d_port.in_ep, &gsi->d_port.in_request,
GSI_EP_OP_CONFIG);
post_event(&gsi->d_port, EVT_CONNECT_IN_PROGRESS);
@ -1955,7 +1961,7 @@ static void gsi_resume(struct usb_function *f)
queue_work(gsi->d_port.ipa_usb_wq, &gsi->d_port.usb_ipa_w);
if (!gsi->c_port.notify->desc)
if (gsi->c_port.notify && !gsi->c_port.notify->desc)
config_ep_by_speed(cdev->gadget, f, gsi->c_port.notify);
atomic_set(&gsi->c_port.notify_count, 0);