diff options
Diffstat (limited to 'arch/arm/common/sharpsl_param.c')
| -rw-r--r-- | arch/arm/common/sharpsl_param.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/arm/common/sharpsl_param.c b/arch/arm/common/sharpsl_param.c index d56c932580eb..1ca26c063f80 100644 --- a/arch/arm/common/sharpsl_param.c +++ b/arch/arm/common/sharpsl_param.c @@ -1,20 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Hardware parameter area specific to Sharp SL series devices * * Copyright (c) 2005 Richard Purdie * * Based on Sharp's 2.4 kernel patches - * - * 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. - * */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/string.h> #include <asm/mach/sharpsl_param.h> +#include <asm/page.h> /* * Certain hardware parameters determined at the time of device manufacture, @@ -25,8 +22,10 @@ */ #ifdef CONFIG_ARCH_SA1100 #define PARAM_BASE 0xe8ffc000 +#define param_start(x) (void *)(x) #else #define PARAM_BASE 0xa0000a00 +#define param_start(x) __va(x) #endif #define MAGIC_CHG(a,b,c,d) ( ( d << 24 ) | ( c << 16 ) | ( b << 8 ) | a ) @@ -41,7 +40,9 @@ EXPORT_SYMBOL(sharpsl_param); void sharpsl_save_param(void) { - memcpy(&sharpsl_param, (void *)PARAM_BASE, sizeof(struct sharpsl_param_info)); + struct sharpsl_param_info *params = param_start(PARAM_BASE); + + memcpy(&sharpsl_param, params, sizeof(*params)); if (sharpsl_param.comadj_keyword != COMADJ_MAGIC) sharpsl_param.comadj=-1; |