procfs: do not confuse jiffies with cputime64_t
[zen-stable.git] / drivers / usb / host / ohci-sh.c
blobafc4eb6bb9d036cd3c3f4f7d107aefd1192833f3
1 /*
2 * OHCI HCD (Host Controller Driver) for USB.
4 * Copyright (C) 2008 Renesas Solutions Corp.
6 * Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; version 2 of the License.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 #include <linux/platform_device.h>
25 static int ohci_sh_start(struct usb_hcd *hcd)
27 struct ohci_hcd *ohci = hcd_to_ohci(hcd);
29 ohci_hcd_init(ohci);
30 ohci_init(ohci);
31 ohci_run(ohci);
32 hcd->state = HC_STATE_RUNNING;
33 return 0;
36 static const struct hc_driver ohci_sh_hc_driver = {
37 .description = hcd_name,
38 .product_desc = "SuperH OHCI",
39 .hcd_priv_size = sizeof(struct ohci_hcd),
42 * generic hardware linkage
44 .irq = ohci_irq,
45 .flags = HCD_USB11 | HCD_MEMORY,
48 * basic lifecycle operations
50 .start = ohci_sh_start,
51 .stop = ohci_stop,
52 .shutdown = ohci_shutdown,
55 * managing i/o requests and associated device resources
57 .urb_enqueue = ohci_urb_enqueue,
58 .urb_dequeue = ohci_urb_dequeue,
59 .endpoint_disable = ohci_endpoint_disable,
62 * scheduling support
64 .get_frame_number = ohci_get_frame,
67 * root hub support
69 .hub_status_data = ohci_hub_status_data,
70 .hub_control = ohci_hub_control,
71 #ifdef CONFIG_PM
72 .bus_suspend = ohci_bus_suspend,
73 .bus_resume = ohci_bus_resume,
74 #endif
75 .start_port_reset = ohci_start_port_reset,
78 /*-------------------------------------------------------------------------*/
80 static int ohci_hcd_sh_probe(struct platform_device *pdev)
82 struct resource *res = NULL;
83 struct usb_hcd *hcd = NULL;
84 int irq = -1;
85 int ret;
87 if (usb_disabled())
88 return -ENODEV;
90 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
91 if (!res) {
92 err("platform_get_resource error.");
93 return -ENODEV;
96 irq = platform_get_irq(pdev, 0);
97 if (irq < 0) {
98 err("platform_get_irq error.");
99 return -ENODEV;
102 /* initialize hcd */
103 hcd = usb_create_hcd(&ohci_sh_hc_driver, &pdev->dev, (char *)hcd_name);
104 if (!hcd) {
105 err("Failed to create hcd");
106 return -ENOMEM;
109 hcd->regs = (void __iomem *)res->start;
110 hcd->rsrc_start = res->start;
111 hcd->rsrc_len = resource_size(res);
112 ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
113 if (ret != 0) {
114 err("Failed to add hcd");
115 usb_put_hcd(hcd);
116 return ret;
119 return ret;
122 static int ohci_hcd_sh_remove(struct platform_device *pdev)
124 struct usb_hcd *hcd = platform_get_drvdata(pdev);
126 usb_remove_hcd(hcd);
127 usb_put_hcd(hcd);
129 return 0;
132 static struct platform_driver ohci_hcd_sh_driver = {
133 .probe = ohci_hcd_sh_probe,
134 .remove = ohci_hcd_sh_remove,
135 .shutdown = usb_hcd_platform_shutdown,
136 .driver = {
137 .name = "sh_ohci",
138 .owner = THIS_MODULE,
142 MODULE_ALIAS("platform:sh_ohci");