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

Lu, Yinghai yinghai.lu at amd.com
Wed Dec 6 00:29:32 CET 2006



-----Original Message-----
From: linuxbios-bounces at linuxbios.org
[mailto:linuxbios-bounces at linuxbios.org] On Behalf Of
ebiederm at 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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