diff options
Diffstat (limited to 'include/asm-arm/arch-at91sam9/hardware.h')
| -rw-r--r-- | include/asm-arm/arch-at91sam9/hardware.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/asm-arm/arch-at91sam9/hardware.h b/include/asm-arm/arch-at91sam9/hardware.h new file mode 100644 index 0000000000..ec0a67163d --- /dev/null +++ b/include/asm-arm/arch-at91sam9/hardware.h @@ -0,0 +1,38 @@ +/* + * (C) Copyright 2007 + * Stelian Pop <stelian.pop <at> leadtechdesign.com> + * Lead Tech Design <www.leadtechdesign.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +#include <asm/sizes.h> + +#include <asm/arch/AT91CAP9.h> + +/* + * container_of - cast a member of a structure out to the containing structure + * + * @ptr: the pointer to the member. + * @type: the type of the container struct this is embedded in. + * @member: the name of the member within the struct. + */ +#define container_of(ptr, type, member) ({ \ + const typeof(((type *)0)->member) *__mptr = (ptr); \ + (type *)((char *)__mptr - offsetof(type, member)); }) + +#endif |