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usb: ehci-mx6: Use common code to extract dr_mode

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There exists code in drivers/common/common.c to read the dr_mode
from the device tree.  This patch converts this driver to use that
function to initialize the driver.

Signed-off-by: Adam Ford <aford173@gmail.com>
This commit is contained in:
Adam Ford 2019-04-03 08:41:56 -05:00 committed by Marek Vasut
parent 51f60a89b7
commit 69535b33bc
1 changed files with 15 additions and 14 deletions
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29
drivers/usb/host/ehci-mx6.c
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@ -18,6 +18,7 @@
#include <dm.h>
#include <asm/mach-types.h>
#include <power/regulator.h>
#include <linux/usb/otg.h>
#include "ehci.h"
@ -483,23 +484,23 @@ static int ehci_usb_phy_mode(struct udevice *dev)
static int ehci_usb_ofdata_to_platdata(struct udevice *dev)
{
struct usb_platdata *plat = dev_get_platdata(dev);
const char *mode;
enum usb_dr_mode dr_mode;
mode = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "dr_mode", NULL);
if (mode) {
if (strcmp(mode, "peripheral") == 0)
plat->init_type = USB_INIT_DEVICE;
else if (strcmp(mode, "host") == 0)
plat->init_type = USB_INIT_HOST;
else if (strcmp(mode, "otg") == 0)
return ehci_usb_phy_mode(dev);
else
return -EINVAL;
dr_mode = usb_get_dr_mode(dev_of_offset(dev));
return 0;
}
switch (dr_mode) {
case USB_DR_MODE_HOST:
plat->init_type = USB_INIT_HOST;
break;
case USB_DR_MODE_PERIPHERAL:
plat->init_type = USB_INIT_DEVICE;
break;
case USB_DR_MODE_OTG:
case USB_DR_MODE_UNKNOWN:
return ehci_usb_phy_mode(dev);
};
return ehci_usb_phy_mode(dev);
return 0;
}
static int ehci_usb_probe(struct udevice *dev)