linux-kernel - [PATCH 1/2] Revert "usb: dwc2: gadget: kill requests with 'force' in s3c_hsotg_udc

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Message-id: <1420450295-25818-2-git-send-email-r.baldyga@samsung.com>
Date:	Mon, 05 Jan 2015 10:31:34 +0100
From:	Robert Baldyga <r.baldyga@...sung.com>
To:	balbi@...com, paulz@...opsys.com
Cc:	gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Robert Baldyga <r.baldyga@...sung.com>
Subject: [PATCH 1/2] Revert
 "usb: dwc2: gadget: kill requests with 'force' in s3c_hsotg_udc_stop()"

This reverts commit 62f4f0651ce8ef966a0e5b6db6a7a524c268fdd2.

This patch is incomplete solution. It won't work without changes in udc-core,
which were considered as unacceptable (discussion [1]).

[1] https://lkml.org/lkml/2014/12/12/360

Signed-off-by: Robert Baldyga <r.baldyga@...sung.com>
---
 drivers/usb/dwc2/gadget.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 7924200..200168e 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -2567,7 +2567,7 @@ error:
  * s3c_hsotg_ep_disable - disable given endpoint
  * @ep: The endpoint to disable.
  */
-static int s3c_hsotg_ep_disable_force(struct usb_ep *ep, bool force)
+static int s3c_hsotg_ep_disable(struct usb_ep *ep)
 {
 	struct s3c_hsotg_ep *hs_ep = our_ep(ep);
 	struct dwc2_hsotg *hsotg = hs_ep->parent;
@@ -2588,7 +2588,7 @@ static int s3c_hsotg_ep_disable_force(struct usb_ep *ep, bool force)
 
 	spin_lock_irqsave(&hsotg->lock, flags);
 	/* terminate all requests with shutdown */
-	kill_all_requests(hsotg, hs_ep, -ESHUTDOWN, force);
+	kill_all_requests(hsotg, hs_ep, -ESHUTDOWN, false);
 
 	hsotg->fifo_map &= ~(1<<hs_ep->fifo_index);
 	hs_ep->fifo_index = 0;
@@ -2609,10 +2609,6 @@ static int s3c_hsotg_ep_disable_force(struct usb_ep *ep, bool force)
 	return 0;
 }
 
-static int s3c_hsotg_ep_disable(struct usb_ep *ep)
-{
-	return s3c_hsotg_ep_disable_force(ep, false);
-}
 /**
  * on_list - check request is on the given endpoint
  * @ep: The endpoint to check.
@@ -2928,7 +2924,7 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget)
 
 	/* all endpoints should be shutdown */
 	for (ep = 1; ep < hsotg->num_of_eps; ep++)
-		s3c_hsotg_ep_disable_force(&hsotg->eps[ep].ep, true);
+		s3c_hsotg_ep_disable(&hsotg->eps[ep].ep);
 
 	spin_lock_irqsave(&hsotg->lock, flags);
 
-- 
1.9.1

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