RE: [LinuxBIOS] [linux-usb-devel] [RFC][PATCH 0/2] x86_64 Earlyusb debug port support.
From: Lu, Yinghai
Date: Tue Dec 05 2006 - 18:33:19 EST
-----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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