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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>
This commit is contained in:
Simon Glass 2015-03-25 12:22:22 -06:00
parent 727fce369e
commit 56d4273045
1 changed files with 9 additions and 7 deletions
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16
drivers/usb/host/ehci-tegra.c
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@ -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;
}