linux-kernel - RE: [LinuxBIOS] [linux-usb-devel] [RFC][PATCH 0/2] x86

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Message-ID: <5986589C150B2F49A46483AC44C7BCA490728A@ssvlexmb2.amd.com>
Date:	Tue, 5 Dec 2006 15:29:32 -0800
From:	"Lu, Yinghai" <yinghai.lu@....com>
To:	ebiederm@...ssion.com, "David Brownell" <david-b@...bell.net>
cc:	"Peter Stuge" <stuge-linuxbios@....org>,
	linux-usb-devel@...ts.sourceforge.net,
	"Stefan Reinauer" <stepan@...esystems.de>,
	"Greg KH" <gregkh@...e.de>, linux-kernel@...r.kernel.org,
	linuxbios@...uxbios.org, "Andi Kleen" <ak@...e.de>
Subject: RE: [LinuxBIOS] [linux-usb-devel] [RFC][PATCH 0/2] x86_64 Early
 usb debug port support.



-----Original Message-----
From: linuxbios-bounces@...uxbios.org
[mailto:linuxbios-bounces@...uxbios.org] On Behalf Of
ebiederm@...ssion.com
Sent: Tuesday, December 05, 2006 3:01 AM

>+static int ehci_wait_for_port(int port)
>+{
>+	unsigned status;
>+	int ret, reps;
>+	for (reps = 0; reps >= 0; reps++) {
>+		status = readl(&ehci_regs->status);
>+		if (status & STS_PCD) {
>+			ret = ehci_reset_port(port);
>+			if (ret == 0)
>+				return 0;
>+		}
>+	}
>+	return -ENOTCONN;
>+}
>+

What do you mean by
+	for (reps = 0; reps >= 0; reps++) {
?

YH



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