Currently, what this driver does is just to set the base address and reset/clock handling. The latter is cared by the clock driver now. There is nothing special for this EHCI controller.
I want to use the generic-ehci driver rather than bothering to convert this driver to Driver Model.
Signed-off-by: Masahiro Yamada yamada.masahiro@socionext.com ---
drivers/usb/host/Kconfig | 7 ---- drivers/usb/host/Makefile | 1 - drivers/usb/host/ehci-uniphier.c | 75 ---------------------------------------- 3 files changed, 83 deletions(-) delete mode 100644 drivers/usb/host/ehci-uniphier.c
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 @@ config USB_EHCI_MX6 ---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-$(CONFIG_USB_EHCI_PCI) += ehci-pci.o obj-$(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; -}