linux-kernel - [PATCH 12/12] usb: use IRQ watching

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1276443098-20653-13-git-send-email-tj@kernel.org>
Date:	Sun, 13 Jun 2010 17:31:38 +0200
From:	Tejun Heo <tj@...nel.org>
To:	mingo@...e.hu, tglx@...utronix.de, bphilips@...e.de,
	yinghai@...nel.org, akpm@...ux-foundation.org,
	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
	jeff@...zik.org, linux-ide@...r.kernel.org,
	stern@...land.harvard.edu, gregkh@...e.de, khali@...ux-fr.org
Cc:	Tejun Heo <tj@...nel.org>
Subject: [PATCH 12/12] usb: use IRQ watching

Ask IRQ subsystem to watch HCD IRQ line after initialization.  This at
least keeps USB ports which are occupied on initialization working and
eases bug reporting and debugging.

Signed-off-by: Tejun Heo <tj@...nel.org>
---
 drivers/usb/core/hcd.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 12742f1..383875f 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -2270,6 +2270,7 @@ int usb_add_hcd(struct usb_hcd *hcd,
 					"request interrupt %d failed\n", irqnum);
 			goto err_request_irq;
 		}
+		watch_irq(irqnum, hcd);
 		hcd->irq = irqnum;
 		dev_info(hcd->self.controller, "irq %d, %s 0x%08llx\n", irqnum,
 				(hcd->driver->flags & HCD_MEMORY) ?
-- 
1.6.4.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/