dm: usb: tegra: Drop use of global controller variable

We don't need this anymore, so adjust the code to avoid using it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Marek Vasut <marex@denx.de>

diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
index d39c34c..17f8be1 100644 (file)
--- a/drivers/usb/host/ehci-tegra.c
+++ b/drivers/usb/host/ehci-tegra.c
@@ -189,8 +189,6 @@ static struct fdt_usb_controller fdt_usb_controllers[USB_CTRL_COUNT] = {
        },
 };
 
-static struct fdt_usb_controller *controller;
-
 /*
  * A known hardware issue where Connect Status Change bit of PORTSC register
  * of USB1 controller will be set after Port Reset.
@@ -201,6 +199,10 @@ static struct fdt_usb_controller *controller;
 void ehci_powerup_fixup(struct ehci_ctrl *ctrl, uint32_t *status_reg,
                        uint32_t *reg)
 {
+       struct fdt_usb *config = ctrl->priv;
+       struct fdt_usb_controller *controller;
+
+       controller = &fdt_usb_controllers[config->type];
        mdelay(50);
        /* This is to avoid PORT_ENABLE bit to be cleared in "ehci-hcd.c". */
        if (controller->has_hostpc)
@@ -237,9 +239,12 @@ void ehci_set_usbmode(int index)
  */
 int ehci_get_port_speed(struct ehci_ctrl *ctrl, uint32_t reg)
 {
+       struct fdt_usb *config = ctrl->priv;
+       struct fdt_usb_controller *controller;
        uint32_t tmp;
        uint32_t *reg_ptr;
 
+       controller = &fdt_usb_controllers[config->type];
        if (controller->has_hostpc) {
                reg_ptr = (uint32_t *)((u8 *)&ctrl->hcor->or_usbcmd +
                                HOSTPC1_DEVLC);
@@ -766,10 +771,9 @@ int usb_process_devicetree(const void *blob)
        int i;
 
        for (i = 0; i < ARRAY_SIZE(fdt_usb_controllers); i++) {
-               controller = &fdt_usb_controllers[i];
-
                count = fdtdec_find_aliases_for_id(blob, "usb",
-                       controller->compat, node_list, USB_PORTS_MAX);
+                       fdt_usb_controllers[i].compat, node_list,
+                       USB_PORTS_MAX);
                if (count) {
                        err = process_usb_nodes(blob, node_list, count, i);
                        if (err)
@@ -778,8 +782,6 @@ int usb_process_devicetree(const void *blob)
                        return err;
                }
        }
-       if (i == ARRAY_SIZE(fdt_usb_controllers))
-               controller = NULL;
 
        return err;
 }