/* * u_f.h * * Utility definitions for USB functions * * Copyright (c) 2013 Samsung Electronics Co., Ltd. * http://www.samsung.com * * Author: Andrzej Pietrasiewicz * * 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 __U_F_H__ #define __U_F_H__ #include /* Variable Length Array Macros **********************************************/ #define vla_group(groupname) size_t groupname##__next = 0 #define vla_group_size(groupname) groupname##__next #define vla_item(groupname, type, name, n) \ size_t groupname##_##name##__offset = ({ \ size_t align_mask = __alignof__(type) - 1; \ size_t offset = (groupname##__next + align_mask) & ~align_mask;\ size_t size = (n) * sizeof(type); \ groupname##__next = offset + size; \ offset; \ }) #define vla_item_with_sz(groupname, type, name, n) \ size_t groupname##_##name##__sz = (n) * sizeof(type); \ size_t groupname##_##name##__offset = ({ \ size_t align_mask = __alignof__(type) - 1; \ size_t offset = (groupname##__next + align_mask) & ~align_mask;\ size_t size = groupname##_##name##__sz; \ groupname##__next = offset + size; \ offset; \ }) #define vla_ptr(ptr, groupname, name) \ ((void *) ((char *)ptr + groupname##_##name##__offset)) struct usb_ep; struct usb_request; /** * alloc_ep_req - returns a usb_request allocated by the gadget driver and * allocates the request's buffer. * * @ep: the endpoint to allocate a usb_request * @len: usb_requests's buffer suggested size * * In case @ep direction is OUT, the @len will be aligned to ep's * wMaxPacketSize. In order to avoid memory leaks or drops, *always* use * usb_requests's length (req->length) to refer to the allocated buffer size. * Requests allocated via alloc_ep_req() *must* be freed by free_ep_req(). */ struct usb_request *alloc_ep_req(struct usb_ep *ep, size_t len); /* Frees a usb_request previously allocated by alloc_ep_req() */ static inline void free_ep_req(struct usb_ep *ep, struct usb_request *req) { kfree(req->buf); usb_ep_free_request(ep, req); } #endif /* __U_F_H__ */ ue='fc6f41ba8b2e705f91324db158c3cc28209a15b1'/>
path: root/drivers/usb/phy/Makefile
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-10 14:35:22 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-10 14:35:22 -0800
commitfc6f41ba8b2e705f91324db158c3cc28209a15b1 (patch)
tree567bede1cc6bd9f2dec3a3dc85e908e02557da2e /drivers/usb/phy/Makefile
parent1f369d1655c1de415a186c6ce9004e40ca790989 (diff)
parent5cad24d835772f9f709971a8d6fcf12afe53b2a7 (diff)
Merge tag 'mmc-v4.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC host fix from Ulf Hansson: "mmci: Fix hang while waiting for busy-end interrupt" * tag 'mmc-v4.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: mmci: avoid clearing ST Micro busy end interrupt mistakenly
Diffstat (limited to 'drivers/usb/phy/Makefile')