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Subject: RE: [LinuxBIOS] [linux-usb-devel] [RFC][PATCH 0/2] x86_64 Early
 usb debug port support.
Date: Tue, 5 Dec 2006 15:29:32 -0800
Message-ID: <5986589C150B2F49A46483AC44C7BCA490728A@ssvlexmb2.amd.com>
Thread-Topic: [LinuxBIOS] [linux-usb-devel] [RFC][PATCH 0/2] x86_64
 Early usb debug port support.
Thread-Index: AccYw/zOagCxxqbcSVaHCEN1woRl+AAAL8gQ
From: "Lu, Yinghai" <yinghai.lu@amd.com>
To: ebiederm@xmission.com, "David Brownell" <david-b@pacbell.net>
cc: "Peter Stuge" <stuge-linuxbios@cdy.org>,
       linux-usb-devel@lists.sourceforge.net,
       "Stefan Reinauer" <stepan@coresystems.de>, "Greg KH" <gregkh@suse.de>,
       linux-kernel@vger.kernel.org, linuxbios@linuxbios.org,
       "Andi Kleen" <ak@suse.de>
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-----Original Message-----
From: linuxbios-bounces@linuxbios.org
[mailto:linuxbios-bounces@linuxbios.org] On Behalf Of
ebiederm@xmission.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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