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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-17 18:53:41 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-17 18:53:41 -0500
commita695bc683609a2b815915e4cfcd93e4ccc0e2cae (patch)
tree824d6b35783317f929fe13a9efcc8a35d5e00311 /drivers/mtd
parent6485536bcf499839a54dcda8a8d47ea0bd29b375 (diff)
parent6665398afafcb1c75d933c1452a9010644aba3e6 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: PCMCIA: fix pxa2xx_lubbock modular build error [ARM] Update mach-types [ARM] pxa: fix no reference of cpu_is_pxa25x() in devices.c [ARM] pxa/cm-x300: add PWM backlight support revert "[ARM] pxa/cm-x300: add PWM backlight support" ARM: use flush_kernel_dcache_area() for dmabounce ARM: add size argument to __cpuc_flush_dcache_page ARM: 5848/1: kill flush_ioremap_region() ARM: cache-l2x0: make better use of background cache handling ARM: cache-l2x0: avoid taking spinlock for every iteration [ARM] Kirkwood: Add LaCie Network Space v2 support ARM: dove: fix the mm mmu flags of the pj4 procinfo
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/maps/pxa2xx-flash.c13
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 @@
20 20
21#include <asm/io.h> 21#include <asm/io.h>
22#include <mach/hardware.h> 22#include <mach/hardware.h>
23#include <asm/cacheflush.h>
24 23
25#include <asm/mach/flash.h> 24#include <asm/mach/flash.h>
26 25
26#define CACHELINESIZE 32
27
27static void pxa2xx_map_inval_cache(struct map_info *map, unsigned long from, 28static void pxa2xx_map_inval_cache(struct map_info *map, unsigned long from,
28 ssize_t len) 29 ssize_t len)
29{ 30{
30 flush_ioremap_region(map->phys, map->cached, from, len); 31 unsigned long start = (unsigned long)map->cached + from;
32 unsigned long end = start + len;
33
34 start &= ~(CACHELINESIZE - 1);
35 while (start < end) {
36 /* invalidate D cache line */
37 asm volatile ("mcr p15, 0, %0, c7, c6, 1" : : "r" (start));
38 start += CACHELINESIZE;
39 }
31} 40}
32 41
33struct pxa2xx_flash_info { 42struct pxa2xx_flash_info {