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[PATCH] ppc32: 8xx commproc avoid direct pte manipulation, use dma coherent API instead

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Touching the pte directly causes the 8Mbyte TLB entry to be invalidated.

This has been fixed in v2.4 for ages.

Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Marcelo Tosatti 2005-08-07 09:42:47 -07:00 • committed by Linus Torvalds
parent 204085c52a
commit 079da354db
2 changed files with 3 additions and 23 deletions
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8
arch/ppc/syslib/m8xx_setup.c
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@ -57,7 +57,7 @@ unsigned char __res[sizeof(bd_t)];
extern void m8xx_ide_init(void);
extern unsigned long find_available_memory(void);
extern void m8xx_cpm_reset(uint cpm_page);
extern void m8xx_cpm_reset();
extern void m8xx_wdt_handler_install(bd_t *bp);
extern void rpxfb_alloc_pages(void);
extern void cpm_interrupt_init(void);
@ -70,13 +70,9 @@ board_init(void)
void __init
m8xx_setup_arch(void)
{
int cpm_page;
cpm_page = (int) alloc_bootmem_pages(PAGE_SIZE);
/* Reset the Communication Processor Module.
*/
m8xx_cpm_reset(cpm_page);
m8xx_cpm_reset();
#ifdef CONFIG_FB_RPX
rpxfb_alloc_pages();