usb: ehci: Get rid of CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS

[people/ms/u-boot.git] / drivers / usb / host / ehci-hcd.c

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 40ac3a602ce5bad6fa1a97ef13a7c2019c536dc5..3243c1d1cf250a9de353b8c05d46acd12b1efa6d 100644 (file)
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -148,9 +148,12 @@ static void ehci_powerup_fixup(struct ehci_ctrl *ctrl, uint32_t *status_reg,
 
 static uint32_t *ehci_get_portsc_register(struct ehci_ctrl *ctrl, int port)
 {
-       if (port < 0 || port >= CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS) {
+       int max_ports = HCS_N_PORTS(ehci_readl(&ctrl->hccr->cr_hcsparams));
+
+       if (port < 0 || port >= max_ports) {
                /* Printing the message would cause a scan failure! */
-               debug("The request port(%u) is not configured\n", port);
+               debug("The request port(%u) exceeds maximum port number\n",
+                     port);
                return NULL;
        }
 
@@ -205,6 +208,7 @@ static int ehci_shutdown(struct ehci_ctrl *ctrl)
 {
        int i, ret = 0;
        uint32_t cmd, reg;
+       int max_ports = HCS_N_PORTS(ehci_readl(&ctrl->hccr->cr_hcsparams));
 
        if (!ctrl || !ctrl->hcor)
                return -EINVAL;
@@ -219,7 +223,7 @@ static int ehci_shutdown(struct ehci_ctrl *ctrl)
                100 * 1000);
 
        if (!ret) {
-               for (i = 0; i < CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS; i++) {
+               for (i = 0; i < max_ports; i++) {
                        reg = ehci_readl(&ctrl->hcor->or_portsc[i]);
                        reg |= EHCI_PS_SUSP;
                        ehci_writel(&ctrl->hcor->or_portsc[i], reg);