diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2010-02-03 01:10:39 +0300 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2010-02-03 01:10:39 +0300 |
| commit | e1a0bdd8022317e98650e70850de73eccfcde5ad (patch) | |
| tree | 462f63307118b95c8cbacee6954e4d09ee85b8d1 /drivers/mtd/maps/pxa2xx-flash.c | |
| parent | 8127f4e883666c9960cfa89cffd36313748f8bab (diff) | |
| parent | 1a45dcfe2525e9432cb4aba461d4994fc2befe42 (diff) | |
| download | linux-e1a0bdd8022317e98650e70850de73eccfcde5ad.tar.xz | |
Merge branch 'master' into upstream
Conflicts:
drivers/hid/hid-ids.h
Diffstat (limited to 'drivers/mtd/maps/pxa2xx-flash.c')
| -rw-r--r-- | drivers/mtd/maps/pxa2xx-flash.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c index 74fa075c838a..b13f6417b5b2 100644 --- a/drivers/mtd/maps/pxa2xx-flash.c +++ b/drivers/mtd/maps/pxa2xx-flash.c @@ -20,14 +20,23 @@ #include <asm/io.h> #include <mach/hardware.h> -#include <asm/cacheflush.h> #include <asm/mach/flash.h> +#define CACHELINESIZE 32 + static void pxa2xx_map_inval_cache(struct map_info *map, unsigned long from, ssize_t len) { - flush_ioremap_region(map->phys, map->cached, from, len); + unsigned long start = (unsigned long)map->cached + from; + unsigned long end = start + len; + + start &= ~(CACHELINESIZE - 1); + while (start < end) { + /* invalidate D cache line */ + asm volatile ("mcr p15, 0, %0, c7, c6, 1" : : "r" (start)); + start += CACHELINESIZE; + } } struct pxa2xx_flash_info { |