usb: remove UniPhier EHCI driver
Now, all this driver does can be covered by the generic EHCI driver
(drivers/usb/host/ehci-generic.c). UniPhier SoCs have switched to
use it. Delete this driver rather than bothering to convert it to
Driver Model.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Marek Vasut <marex@denx.de>
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 39f7185..9332374 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -74,13 +74,6 @@
---help---
Enables support for the on-chip EHCI controller on i.MX6 SoCs.
-config USB_EHCI_UNIPHIER
- bool "Support for UniPhier on-chip EHCI USB controller"
- depends on ARCH_UNIPHIER && OF_CONTROL
- default y
- ---help---
- Enables support for the on-chip EHCI controller on UniPhier SoCs.
-
config USB_EHCI_GENERIC
bool "Support for generic EHCI USB controller"
depends on OF_CONTROL
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 6183b80..9a87d2b 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -47,7 +47,6 @@
obj-$(CONFIG_USB_EHCI_SPEAR) += ehci-spear.o
obj-$(CONFIG_USB_EHCI_SUNXI) += ehci-sunxi.o
obj-$(CONFIG_USB_EHCI_TEGRA) += ehci-tegra.o
-obj-$(CONFIG_USB_EHCI_UNIPHIER) += ehci-uniphier.o
obj-$(CONFIG_USB_EHCI_VCT) += ehci-vct.o
obj-$(CONFIG_USB_EHCI_VF) += ehci-vf.o
obj-$(CONFIG_USB_EHCI_RMOBILE) += ehci-rmobile.o
diff --git a/drivers/usb/host/ehci-uniphier.c b/drivers/usb/host/ehci-uniphier.c
deleted file mode 100644
index c3f827c..0000000
--- a/drivers/usb/host/ehci-uniphier.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Copyright (C) 2014-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <usb.h>
-#include <mach/mio-regs.h>
-#include <fdtdec.h>
-#include "ehci.h"
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define FDT gd->fdt_blob
-#define COMPAT "socionext,uniphier-ehci"
-
-static int get_uniphier_ehci_base(int index, struct ehci_hccr **base)
-{
- int offset;
-
- for (offset = fdt_node_offset_by_compatible(FDT, 0, COMPAT);
- offset >= 0;
- offset = fdt_node_offset_by_compatible(FDT, offset, COMPAT)) {
- if (index == 0) {
- *base = (struct ehci_hccr *)
- fdtdec_get_addr(FDT, offset, "reg");
- return 0;
- }
- index--;
- }
-
- return -ENODEV; /* not found */
-}
-
-static void uniphier_ehci_reset(int index, int on)
-{
- u32 tmp;
-
- tmp = readl(MIO_USB_RSTCTRL(index));
- if (on)
- tmp &= ~MIO_USB_RSTCTRL_XRST;
- else
- tmp |= MIO_USB_RSTCTRL_XRST;
- writel(tmp, MIO_USB_RSTCTRL(index));
-}
-
-int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr,
- struct ehci_hcor **hcor)
-{
- int ret;
- struct ehci_hccr *cr;
- struct ehci_hcor *or;
-
- uniphier_ehci_reset(index, 0);
-
- ret = get_uniphier_ehci_base(index, &cr);
- if (ret < 0)
- return ret;
- or = (void *)cr + HC_LENGTH(ehci_readl(&cr->cr_capbase));
-
- *hccr = cr;
- *hcor = or;
-
- return 0;
-}
-
-int ehci_hcd_stop(int index)
-{
- uniphier_ehci_reset(index, 1);
-
- return 0;
-}