diff options
Diffstat (limited to 'target/linux/ramips/files')
6 files changed, 98 insertions, 462 deletions
diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt3883_ehci_platform.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt3883_ehci_platform.h deleted file mode 100644 index a83c458507..0000000000 --- a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt3883_ehci_platform.h +++ /dev/null @@ -1,20 +0,0 @@ -/* - * Platform data definition for built-in EHCI controller of the - * Ralink RT3662/RT3883 SoCs - * - * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#ifndef _RT3883_EHCI_PLATFORM_H -#define _RT3883_EHCI_PLATFORM_H - -struct rt3883_ehci_platform_data { - void (*start_hw)(void); - void (*stop_hw)(void); -}; - -#endif /* _RT3883_EHCI_PLATFORM_H */ diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt3883_ohci_platform.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt3883_ohci_platform.h deleted file mode 100644 index cc8383bf3d..0000000000 --- a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt3883_ohci_platform.h +++ /dev/null @@ -1,20 +0,0 @@ -/* - * Platform data definition for built-in OHCI controller of the - * Ralink RT3662/RT3883 SoCs - * - * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#ifndef _RT3883_OHCI_PLATFORM_H -#define _RT3883_OHCI_PLATFORM_H - -struct rt3883_ohci_platform_data { - void (*start_hw)(void); - void (*stop_hw)(void); -}; - -#endif /* _RT3883_OHCI_PLATFORM_H */ diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c index 56eae8a9dc..a8e0604e34 100644 --- a/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c +++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c @@ -18,6 +18,8 @@ #include <linux/rt2x00_platform.h> #include <linux/delay.h> #include <linux/dma-mapping.h> +#include <linux/usb/ehci_pdriver.h> +#include <linux/usb/ohci_pdriver.h> #include <asm/addrspace.h> @@ -27,8 +29,6 @@ #include <ramips_eth_platform.h> #include <rt305x_esw_platform.h> -#include <rt3883_ehci_platform.h> -#include <rt3883_ohci_platform.h> static struct resource rt305x_flash0_resources[] = { { @@ -297,60 +297,63 @@ static struct platform_device rt305x_dwc_otg_device = { } }; -static atomic_t rt3352_usb_use_count = ATOMIC_INIT(0); +static atomic_t rt3352_usb_pwr_ref = ATOMIC_INIT(0); -static void rt3352_usb_host_start(void) +static int rt3352_usb_power_on(struct platform_device *pdev) { - u32 t; - if (atomic_inc_return(&rt3352_usb_use_count) != 1) - return; + if (atomic_inc_return(&rt3352_usb_pwr_ref) == 1) { + u32 t; - t = rt305x_sysc_rr(RT3352_SYSC_REG_USB_PS); + t = rt305x_sysc_rr(RT3352_SYSC_REG_USB_PS); - /* enable clock for port0's and port1's phys */ - t = rt305x_sysc_rr(RT3352_SYSC_REG_CLKCFG1); - t = t | RT3352_CLKCFG1_UPHY0_CLK_EN | RT3352_CLKCFG1_UPHY1_CLK_EN; - rt305x_sysc_wr(t, RT3352_SYSC_REG_CLKCFG1); - mdelay(500); + /* enable clock for port0's and port1's phys */ + t = rt305x_sysc_rr(RT3352_SYSC_REG_CLKCFG1); + t |= RT3352_CLKCFG1_UPHY0_CLK_EN | RT3352_CLKCFG1_UPHY1_CLK_EN; + rt305x_sysc_wr(t, RT3352_SYSC_REG_CLKCFG1); + mdelay(500); - /* pull USBHOST and USBDEV out from reset */ - t = rt305x_sysc_rr(RT3352_SYSC_REG_RSTCTRL); - t &= ~(RT3352_RSTCTRL_UHST | RT3352_RSTCTRL_UDEV); - rt305x_sysc_wr(t, RT3352_SYSC_REG_RSTCTRL); - mdelay(500); + /* pull USBHOST and USBDEV out from reset */ + t = rt305x_sysc_rr(RT3352_SYSC_REG_RSTCTRL); + t &= ~(RT3352_RSTCTRL_UHST | RT3352_RSTCTRL_UDEV); + rt305x_sysc_wr(t, RT3352_SYSC_REG_RSTCTRL); + mdelay(500); - /* enable host mode */ - t = rt305x_sysc_rr(RT3352_SYSC_REG_SYSCFG1); - t |= RT3352_SYSCFG1_USB0_HOST_MODE; - rt305x_sysc_wr(t, RT3352_SYSC_REG_SYSCFG1); + /* enable host mode */ + t = rt305x_sysc_rr(RT3352_SYSC_REG_SYSCFG1); + t |= RT3352_SYSCFG1_USB0_HOST_MODE; + rt305x_sysc_wr(t, RT3352_SYSC_REG_SYSCFG1); + + t = rt305x_sysc_rr(RT3352_SYSC_REG_USB_PS); + } - t = rt305x_sysc_rr(RT3352_SYSC_REG_USB_PS); + return 0; } -static void rt3352_usb_host_stop(void) +static void rt3352_usb_power_off(struct platform_device *pdev) { - u32 t; - if (atomic_dec_return(&rt3352_usb_use_count) != 0) - return; + if (atomic_dec_return(&rt3352_usb_pwr_ref) == 0) { + u32 t; - /* put USBHOST and USBDEV into reset */ - t = rt305x_sysc_rr(RT3352_SYSC_REG_RSTCTRL); - t |= RT3352_RSTCTRL_UHST | RT3352_RSTCTRL_UDEV; - rt305x_sysc_wr(t, RT3352_SYSC_REG_RSTCTRL); - udelay(10000); - - /* disable clock for port0's and port1's phys*/ - t = rt305x_sysc_rr(RT3352_SYSC_REG_CLKCFG1); - t &= ~(RT3352_CLKCFG1_UPHY0_CLK_EN | RT3352_CLKCFG1_UPHY1_CLK_EN); - rt305x_sysc_wr(t, RT3352_SYSC_REG_CLKCFG1); - udelay(10000); + /* put USBHOST and USBDEV into reset */ + t = rt305x_sysc_rr(RT3352_SYSC_REG_RSTCTRL); + t |= RT3352_RSTCTRL_UHST | RT3352_RSTCTRL_UDEV; + rt305x_sysc_wr(t, RT3352_SYSC_REG_RSTCTRL); + udelay(10000); + + /* disable clock for port0's and port1's phys*/ + t = rt305x_sysc_rr(RT3352_SYSC_REG_CLKCFG1); + t &= ~(RT3352_CLKCFG1_UPHY0_CLK_EN | RT3352_CLKCFG1_UPHY1_CLK_EN); + rt305x_sysc_wr(t, RT3352_SYSC_REG_CLKCFG1); + udelay(10000); + } } -static struct rt3883_ehci_platform_data rt3352_ehci_data = { - .start_hw = rt3352_usb_host_start, - .stop_hw = rt3352_usb_host_stop, +static struct usb_ehci_pdata rt3352_ehci_data = { + .port_power_off = 1, + .power_on = rt3352_usb_power_on, + .power_off = rt3352_usb_power_off, }; static struct resource rt3352_ehci_resources[] = { @@ -367,7 +370,7 @@ static struct resource rt3352_ehci_resources[] = { static u64 rt3352_ehci_dmamask = DMA_BIT_MASK(32); static struct platform_device rt3352_ehci_device = { - .name = "rt3883-ehci", + .name = "ehci-platform", .id = -1, .resource = rt3352_ehci_resources, .num_resources = ARRAY_SIZE(rt3352_ehci_resources), @@ -390,14 +393,14 @@ static struct resource rt3352_ohci_resources[] = { }, }; -static struct rt3883_ohci_platform_data rt3352_ohci_data = { - .start_hw = rt3352_usb_host_start, - .stop_hw = rt3352_usb_host_stop, +static struct usb_ohci_pdata rt3352_ohci_data = { + .power_on = rt3352_usb_power_on, + .power_off = rt3352_usb_power_off, }; static u64 rt3352_ohci_dmamask = DMA_BIT_MASK(32); static struct platform_device rt3352_ohci_device = { - .name = "rt3883-ohci", + .name = "ohci-platform", .id = -1, .resource = rt3352_ohci_resources, .num_resources = ARRAY_SIZE(rt3352_ohci_resources), diff --git a/target/linux/ramips/files/arch/mips/ralink/rt3883/devices.c b/target/linux/ramips/files/arch/mips/ralink/rt3883/devices.c index c9863ab39b..fef4cc554e 100644 --- a/target/linux/ramips/files/arch/mips/ralink/rt3883/devices.c +++ b/target/linux/ramips/files/arch/mips/ralink/rt3883/devices.c @@ -19,13 +19,13 @@ #include <linux/err.h> #include <linux/clk.h> #include <linux/rt2x00_platform.h> +#include <linux/usb/ehci_pdriver.h> +#include <linux/usb/ohci_pdriver.h> #include <asm/addrspace.h> #include <asm/mach-ralink/rt3883.h> #include <asm/mach-ralink/rt3883_regs.h> -#include <asm/mach-ralink/rt3883_ehci_platform.h> -#include <asm/mach-ralink/rt3883_ohci_platform.h> #include <asm/mach-ralink/ramips_nand_platform.h> #include "devices.h" @@ -123,67 +123,63 @@ void __init rt3883_register_pflash(unsigned int id) rt3883_flash_instance++; } -static atomic_t rt3883_usb_use_count = ATOMIC_INIT(0); +static atomic_t rt3883_usb_pwr_ref = ATOMIC_INIT(0); -static void rt3883_usb_host_start(void) +static int rt3883_usb_power_on(struct platform_device *pdev) { - u32 t; - if (atomic_inc_return(&rt3883_usb_use_count) != 1) - return; + if (atomic_inc_return(&rt3883_usb_pwr_ref) == 1) { + u32 t; - t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS); + t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS); -#if 0 - /* put the HOST controller into reset */ - t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL); - t |= RT3883_RSTCTRL_UHST; - rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL); -#endif + /* enable clock for port0's and port1's phys */ + t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1); + t |= RT3883_CLKCFG1_UPHY0_CLK_EN | RT3883_CLKCFG1_UPHY1_CLK_EN; + rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1); + mdelay(500); - /* enable clock for port0's and port1's phys */ - t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1); - t = t | RT3883_CLKCFG1_UPHY0_CLK_EN | RT3883_CLKCFG1_UPHY1_CLK_EN; - rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1); - mdelay(500); + /* pull USBHOST and USBDEV out from reset */ + t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL); + t &= ~(RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV); + rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL); + mdelay(500); - /* pull USBHOST and USBDEV out from reset */ - t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL); - t &= ~(RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV); - rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL); - mdelay(500); + /* enable host mode */ + t = rt3883_sysc_rr(RT3883_SYSC_REG_SYSCFG1); + t |= RT3883_SYSCFG1_USB0_HOST_MODE; + rt3883_sysc_wr(t, RT3883_SYSC_REG_SYSCFG1); - /* enable host mode */ - t = rt3883_sysc_rr(RT3883_SYSC_REG_SYSCFG1); - t |= RT3883_SYSCFG1_USB0_HOST_MODE; - rt3883_sysc_wr(t, RT3883_SYSC_REG_SYSCFG1); + t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS); + } - t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS); + return 0; } -static void rt3883_usb_host_stop(void) +static void rt3883_usb_power_off(struct platform_device *pdev) { - u32 t; - - if (atomic_dec_return(&rt3883_usb_use_count) != 0) - return; - - /* put USBHOST and USBDEV into reset */ - t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL); - t |= RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV; - rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL); - udelay(10000); + if (atomic_dec_return(&rt3883_usb_pwr_ref) == 0) { + u32 t; - /* disable clock for port0's and port1's phys*/ - t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1); - t &= ~(RT3883_CLKCFG1_UPHY0_CLK_EN | RT3883_CLKCFG1_UPHY1_CLK_EN); - rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1); - udelay(10000); + /* put USBHOST and USBDEV into reset */ + t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL); + t |= RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV; + rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL); + udelay(10000); + + /* disable clock for port0's and port1's phys*/ + t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1); + t &= ~(RT3883_CLKCFG1_UPHY0_CLK_EN | + RT3883_CLKCFG1_UPHY1_CLK_EN); + rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1); + udelay(10000); + } } -static struct rt3883_ehci_platform_data rt3883_ehci_data = { - .start_hw = rt3883_usb_host_start, - .stop_hw = rt3883_usb_host_stop, +static struct usb_ehci_pdata rt3883_ehci_data = { + .port_power_off = 1, + .power_on = rt3883_usb_power_on, + .power_off = rt3883_usb_power_off, }; static struct resource rt3883_ehci_resources[] = { @@ -200,7 +196,7 @@ static struct resource rt3883_ehci_resources[] = { static u64 rt3883_ehci_dmamask = DMA_BIT_MASK(32); static struct platform_device rt3883_ehci_device = { - .name = "rt3883-ehci", + .name = "ehci-platform", .id = -1, .resource = rt3883_ehci_resources, .num_resources = ARRAY_SIZE(rt3883_ehci_resources), @@ -223,14 +219,14 @@ static struct resource rt3883_ohci_resources[] = { }, }; -static struct rt3883_ohci_platform_data rt3883_ohci_data = { - .start_hw = rt3883_usb_host_start, - .stop_hw = rt3883_usb_host_stop, +static struct usb_ohci_pdata rt3883_ohci_data = { + .power_on = rt3883_usb_power_on, + .power_off = rt3883_usb_power_off, }; static u64 rt3883_ohci_dmamask = DMA_BIT_MASK(32); static struct platform_device rt3883_ohci_device = { - .name = "rt3883-ohci", + .name = "ohci-platform", .id = -1, .resource = rt3883_ohci_resources, .num_resources = ARRAY_SIZE(rt3883_ohci_resources), diff --git a/target/linux/ramips/files/drivers/usb/host/ehci-rt3883.c b/target/linux/ramips/files/drivers/usb/host/ehci-rt3883.c deleted file mode 100644 index a64cac7f3e..0000000000 --- a/target/linux/ramips/files/drivers/usb/host/ehci-rt3883.c +++ /dev/null @@ -1,162 +0,0 @@ -/* - * Bus Glue for the built-in EHCI controller of the Ralink RT3662/RT3883 SoCs - * - * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org> - * - * Parts of this file are based on Ralink's 2.6.21 BSP - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#include <linux/platform_device.h> -#include <asm/mach-ralink/rt3883.h> -#include <asm/mach-ralink/rt3883_ehci_platform.h> - -static int ehci_rt3883_init(struct usb_hcd *hcd) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int ret; - - ehci->caps = hcd->regs; - ehci->regs = hcd->regs + - HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); - dbg_hcs_params(ehci, "reset"); - dbg_hcc_params(ehci, "reset"); - - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); - ehci->sbrn = 0x20; - - ehci_reset(ehci); - - ret = ehci_init(hcd); - if (ret) - return ret; - - ehci_port_power(ehci, 0); - - return 0; -} - -static const struct hc_driver ehci_rt3883_hc_driver = { - .description = hcd_name, - .product_desc = "Ralink RT3883 built-in EHCI controller", - .hcd_priv_size = sizeof(struct ehci_hcd), - .irq = ehci_irq, - .flags = HCD_MEMORY | HCD_USB2, - - .reset = ehci_rt3883_init, - .start = ehci_run, - .stop = ehci_stop, - .shutdown = ehci_shutdown, - - .urb_enqueue = ehci_urb_enqueue, - .urb_dequeue = ehci_urb_dequeue, - .endpoint_disable = ehci_endpoint_disable, - .endpoint_reset = ehci_endpoint_reset, - - .get_frame_number = ehci_get_frame, - - .hub_status_data = ehci_hub_status_data, - .hub_control = ehci_hub_control, - .relinquish_port = ehci_relinquish_port, - .port_handed_over = ehci_port_handed_over, - - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, -}; - -static int ehci_rt3883_probe(struct platform_device *pdev) -{ - struct rt3883_ehci_platform_data *pdata; - struct usb_hcd *hcd; - struct resource *res; - int irq; - int ret; - - if (usb_disabled()) - return -ENODEV; - - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { - dev_dbg(&pdev->dev, "no IRQ specified for %s\n", - dev_name(&pdev->dev)); - return -ENODEV; - } - irq = res->start; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_dbg(&pdev->dev, "no base address specified for %s\n", - dev_name(&pdev->dev)); - return -ENODEV; - } - - hcd = usb_create_hcd(&ehci_rt3883_hc_driver, &pdev->dev, - dev_name(&pdev->dev)); - if (!hcd) - return -ENOMEM; - - hcd->rsrc_start = res->start; - hcd->rsrc_len = res->end - res->start + 1; - - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - dev_dbg(&pdev->dev, "controller already in use\n"); - ret = -EBUSY; - goto err_put_hcd; - } - - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) { - dev_dbg(&pdev->dev, "error mapping memory\n"); - ret = -EFAULT; - goto err_release_region; - } - - pdata = pdev->dev.platform_data; - if (pdata && pdata->start_hw) - pdata->start_hw(); - - ret = usb_add_hcd(hcd, irq, IRQF_SHARED); - if (ret) - goto err_iounmap; - - return 0; - -err_iounmap: - iounmap(hcd->regs); - -err_release_region: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -err_put_hcd: - usb_put_hcd(hcd); - return ret; -} - -static int ehci_rt3883_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - struct rt3883_ehci_platform_data *pdata; - - usb_remove_hcd(hcd); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - usb_put_hcd(hcd); - - pdata = pdev->dev.platform_data; - if (pdata && pdata->stop_hw) - pdata->stop_hw(); - - return 0; -} - -static struct platform_driver ehci_rt3883_driver = { - .probe = ehci_rt3883_probe, - .remove = ehci_rt3883_remove, - .driver = { - .owner = THIS_MODULE, - .name = "rt3883-ehci", - } -}; - -MODULE_ALIAS("platform:rt3883-ehci"); diff --git a/target/linux/ramips/files/drivers/usb/host/ohci-rt3883.c b/target/linux/ramips/files/drivers/usb/host/ohci-rt3883.c deleted file mode 100644 index ea13aebe5e..0000000000 --- a/target/linux/ramips/files/drivers/usb/host/ohci-rt3883.c +++ /dev/null @@ -1,161 +0,0 @@ -/* - * Bus Glue for the built-in OHCI controller of the Ralink RT3662/RT3883 SoCs - * - * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org> - * - * Parts of this file are based on Ralink's 2.6.21 BSP - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#include <linux/platform_device.h> -#include <asm/mach-ralink/rt3883.h> -#include <asm/mach-ralink/rt3883_ohci_platform.h> - -static int __devinit ohci_rt3883_start(struct usb_hcd *hcd) -{ - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - int ret; - - ret = ohci_init(ohci); - if (ret < 0) - return ret; - - ret = ohci_run(ohci); - if (ret < 0) - goto err; - - return 0; - -err: - ohci_stop(hcd); - return ret; -} - -static const struct hc_driver ohci_rt3883_hc_driver = { - .description = hcd_name, - .product_desc = "Ralink RT3883 built-in OHCI controller", - .hcd_priv_size = sizeof(struct ohci_hcd), - - .irq = ohci_irq, - .flags = HCD_USB11 | HCD_MEMORY, - - .start = ohci_rt3883_start, - .stop = ohci_stop, - .shutdown = ohci_shutdown, - - .urb_enqueue = ohci_urb_enqueue, - .urb_dequeue = ohci_urb_dequeue, - .endpoint_disable = ohci_endpoint_disable, - - /* - * scheduling support - */ - .get_frame_number = ohci_get_frame, - - /* - * root hub support - */ - .hub_status_data = ohci_hub_status_data, - .hub_control = ohci_hub_control, - .start_port_reset = ohci_start_port_reset, -}; - -static int ohci_rt3883_probe(struct platform_device *pdev) -{ - struct rt3883_ohci_platform_data *pdata; - struct usb_hcd *hcd; - struct resource *res; - int irq; - int ret; - - if (usb_disabled()) - return -ENODEV; - - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { - dev_dbg(&pdev->dev, "no IRQ specified for %s\n", - dev_name(&pdev->dev)); - return -ENODEV; - } - irq = res->start; - - hcd = usb_create_hcd(&ohci_rt3883_hc_driver, - &pdev->dev, dev_name(&pdev->dev)); - if (!hcd) - return -ENOMEM; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_dbg(&pdev->dev, "no base address specified for %s\n", - dev_name(&pdev->dev)); - ret = -ENODEV; - goto err_put_hcd; - } - hcd->rsrc_start = res->start; - hcd->rsrc_len = res->end - res->start + 1; - - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { - dev_dbg(&pdev->dev, "controller already in use\n"); - ret = -EBUSY; - goto err_put_hcd; - } - - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) { - dev_dbg(&pdev->dev, "error mapping memory\n"); - ret = -EFAULT; - goto err_release_region; - } - - pdata = pdev->dev.platform_data; - if (pdata && pdata->start_hw) - pdata->start_hw(); - - ohci_hcd_init(hcd_to_ohci(hcd)); - - ret = usb_add_hcd(hcd, irq, IRQF_SHARED); - if (ret) - goto err_stop_hcd; - - return 0; - -err_stop_hcd: - iounmap(hcd->regs); -err_release_region: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -err_put_hcd: - usb_put_hcd(hcd); - return ret; -} - -static int ohci_rt3883_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - struct rt3883_ohci_platform_data *pdata; - - usb_remove_hcd(hcd); - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - usb_put_hcd(hcd); - - pdata = pdev->dev.platform_data; - if (pdata && pdata->stop_hw) - pdata->stop_hw(); - - return 0; -} - -static struct platform_driver ohci_rt3883_driver = { - .probe = ohci_rt3883_probe, - .remove = ohci_rt3883_remove, - .shutdown = usb_hcd_platform_shutdown, - .driver = { - .name = "rt3883-ohci", - .owner = THIS_MODULE, - }, -}; - -MODULE_ALIAS("platform:rt3883-ohci"); |