linux_dsm_epyc7002/arch/hexagon/include/asm/cache.h
Richard Kuo ea0f1b9215 Hexagon: set ARCH_DMA_MINALIGN
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-12-16 13:27:30 -06:00

37 lines
1.2 KiB
C

/*
* Cache definitions for the Hexagon architecture
*
* Copyright (c) 2010-2011,2014 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#ifndef __ASM_CACHE_H
#define __ASM_CACHE_H
/* Bytes per L1 cache line */
#define L1_CACHE_SHIFT (5)
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
#define __cacheline_aligned __aligned(L1_CACHE_BYTES)
#define ____cacheline_aligned __aligned(L1_CACHE_BYTES)
/* See http://lwn.net/Articles/262554/ */
#define __read_mostly
#endif