RE: [LinuxBIOS] [linux-usb-devel] [RFC][PATCH 0/2] x86_64 Earlyusb debug port support.

[Lu, Yinghai]

-----Original Message-----
From: linuxbios-bounces@xxxxxxxxxxxxx
[mailto:linuxbios-bounces@xxxxxxxxxxxxx] On Behalf Of
ebiederm@xxxxxxxxxxxx
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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