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

[Lu, Yinghai]

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> +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