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rockchip: xhci: remove DTS parsing for PHY (which is unused)

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The xhci wrapper-driver for Rockchip searches the DTS to find its
child node compatbile with 'rockchip,rk3399-usb3-phy' to retrieve the
base-address of the PHY.  However, this is currently broken (and
always has been), returning NULL.  However, the (wrongly) retrieved
base-address is never used.

We thus remove this code for now.

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
This commit is contained in:
Philipp Tomsich 2018-05-24 17:11:57 +02:00 committed by Marek Vasut
parent e40406603f
commit afa314d3a3
1 changed files with 0 additions and 16 deletions
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16
drivers/usb/host/xhci-rockchip.c
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@ -17,7 +17,6 @@
struct rockchip_xhci_platdata {
fdt_addr_t hcd_base;
fdt_addr_t phy_base;
struct udevice *vbus_supply;
};
@ -35,7 +34,6 @@ struct rockchip_xhci {
static int xhci_usb_ofdata_to_platdata(struct udevice *dev)
{
struct rockchip_xhci_platdata *plat = dev_get_platdata(dev);
struct udevice *child;
int ret = 0;
/*
@ -47,20 +45,6 @@ static int xhci_usb_ofdata_to_platdata(struct udevice *dev)
return -ENXIO;
}
/* Get the base address for usbphy from the device node */
for (device_find_first_child(dev, &child); child;
device_find_next_child(&child)) {
if (!device_is_compatible(child, "rockchip,rk3399-usb3-phy"))
continue;
plat->phy_base = devfdt_get_addr(child);
break;
}
if (plat->phy_base == FDT_ADDR_T_NONE) {
pr_err("Can't get the usbphy register address\n");
return -ENXIO;
}
/* Vbus regulator */
ret = device_get_supply_regulator(dev, "vbus-supply",
&plat->vbus_supply);