[U-Boot] [PATCH 2/4] EHCI: fix off-by-one error in ehci_submit_root()

[Sergei Shtylyov]

USB devices on the 2nd port are not detected and I get the following message:

The request port(1) is not configured

That's with default CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS value of 2. 'req->index'
is 1-based, so the comparison in ehci_submit_root() can't be correct.

Signed-off-by: Sergei Shtylyov <sshtylyov at mvista.com>

---
 drivers/usb/host/ehci-hcd.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: u-boot/drivers/usb/host/ehci-hcd.c
===================================================================
--- u-boot.orig/drivers/usb/host/ehci-hcd.c
+++ u-boot/drivers/usb/host/ehci-hcd.c
@@ -536,7 +536,7 @@ ehci_submit_root(struct usb_device *dev,
 	uint32_t reg;
 	uint32_t *status_reg;
 
-	if (le16_to_cpu(req->index) >= CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS) {
+	if (le16_to_cpu(req->index) > CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS) {
 		printf("The request port(%d) is not configured\n",
 			le16_to_cpu(req->index) - 1);
 		return -1;