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From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 3/6] usb: Check return value of host controller init
Date: Thu, 24 Jun 2010 11:45:48 +0200	[thread overview]
Message-ID: <1277372751-15797-4-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1277372751-15797-1-git-send-email-s.hauer@pengutronix.de>

And do not scan the bus if initialization failed.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/usb/usb.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/usb.c b/drivers/usb/usb.c
index 1ad4bab..76e033e 100644
--- a/drivers/usb/usb.c
+++ b/drivers/usb/usb.c
@@ -453,6 +453,7 @@ static int __usb_init(void)
 {
 	struct usb_device *dev, *tmp;
 	struct usb_host *host;
+	int ret;
 
 	list_for_each_entry_safe(dev, tmp, &usb_device_list, list) {
 		list_del(&dev->list);
@@ -466,7 +467,9 @@ static int __usb_init(void)
 	dev_index = 0;
 
 	list_for_each_entry(host, &host_list, list) {
-		host->init(host);
+		ret = host->init(host);
+		if (ret)
+			continue;
 
 		dev = usb_alloc_new_device();
 		dev->host = host;
-- 
1.7.1


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  parent reply	other threads:[~2010-06-24  9:45 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-24  9:45 USB related patches Sascha Hauer
2010-06-24  9:45 ` [PATCH 1/6] ehci: Make has_tt configurable via platform data Sascha Hauer
2010-06-24  9:45 ` [PATCH 2/6] ehci: Handle hub port reset properly Sascha Hauer
2010-06-24  9:45 ` Sascha Hauer [this message]
2010-06-24  9:45 ` [PATCH 4/6] ehci: use is_timeout for timeout instead of udelay counter Sascha Hauer
2010-06-24  9:45 ` [PATCH 5/6] ehci: Force a ehci_halt before trying to reset Sascha Hauer
2010-06-24  9:45 ` [PATCH 6/6] ehci: remove unused code Sascha Hauer

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