mmc: rtsx_pci: Enable MMC_CAP_ERASE to allow erase/discard/trim requests
[linux/fpc-iii.git] / drivers / usb / wusbcore / wa-hc.c
blob252c7bd9218afd5db373325b55b561c304ab0e88
1 /*
2 * Wire Adapter Host Controller Driver
3 * Common items to HWA and DWA based HCDs
5 * Copyright (C) 2005-2006 Intel Corporation
6 * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License version
10 * 2 as published by the Free Software Foundation.
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 Street, Fifth Floor, Boston, MA
20 * 02110-1301, USA.
23 * FIXME: docs
25 #include <linux/slab.h>
26 #include <linux/module.h>
27 #include "wusbhc.h"
28 #include "wa-hc.h"
30 /**
31 * Assumes
33 * wa->usb_dev and wa->usb_iface initialized and refcounted,
34 * wa->wa_descr initialized.
36 int wa_create(struct wahc *wa, struct usb_interface *iface,
37 kernel_ulong_t quirks)
39 int result;
40 struct device *dev = &iface->dev;
42 result = wa_rpipes_create(wa);
43 if (result < 0)
44 goto error_rpipes_create;
45 wa->quirks = quirks;
46 /* Fill up Data Transfer EP pointers */
47 wa->dti_epd = &iface->cur_altsetting->endpoint[1].desc;
48 wa->dto_epd = &iface->cur_altsetting->endpoint[2].desc;
49 wa->dti_buf_size = usb_endpoint_maxp(wa->dti_epd);
50 wa->dti_buf = kmalloc(wa->dti_buf_size, GFP_KERNEL);
51 if (wa->dti_buf == NULL) {
52 result = -ENOMEM;
53 goto error_dti_buf_alloc;
55 result = wa_nep_create(wa, iface);
56 if (result < 0) {
57 dev_err(dev, "WA-CDS: can't initialize notif endpoint: %d\n",
58 result);
59 goto error_nep_create;
61 return 0;
63 error_nep_create:
64 kfree(wa->dti_buf);
65 error_dti_buf_alloc:
66 wa_rpipes_destroy(wa);
67 error_rpipes_create:
68 return result;
70 EXPORT_SYMBOL_GPL(wa_create);
73 void __wa_destroy(struct wahc *wa)
75 if (wa->dti_urb) {
76 usb_kill_urb(wa->dti_urb);
77 usb_put_urb(wa->dti_urb);
79 kfree(wa->dti_buf);
80 wa_nep_destroy(wa);
81 wa_rpipes_destroy(wa);
83 EXPORT_SYMBOL_GPL(__wa_destroy);
85 /**
86 * wa_reset_all - reset the WA device
87 * @wa: the WA to be reset
89 * For HWAs the radio controller and all other PALs are also reset.
91 void wa_reset_all(struct wahc *wa)
93 /* FIXME: assuming HWA. */
94 wusbhc_reset_all(wa->wusb);
97 MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>");
98 MODULE_DESCRIPTION("Wireless USB Wire Adapter core");
99 MODULE_LICENSE("GPL");