diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2009-12-24 15:16:02 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-12-24 15:16:02 +0900 |
| commit | f34548cb735b7a80bbbb0bdd09ad4c2173ba92d5 (patch) | |
| tree | e53c9e39b3149221779c10595bc59fa02de4f45f /drivers/mtd/maps/pxa2xx-flash.c | |
| parent | 76382b5bdb77c29ab430e1b82ef1c604c8dd113b (diff) | |
| parent | 32b53076c31ce9159740b744d5eb5d9505312add (diff) | |
Merge branch 'sh/g3-prep' into sh/for-2.6.33
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 74fa075c838..b13f6417b5b 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 { |