AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

[PATCH] powerpc/8xx: Fix m8xx_wdt issues

Browse Source 
The following fixes some issues with the last mpc8xx_wdt update:

- Adds missing #include <asm/io.h>
- Use "uint __iomem" pointer for in_be32/out_be32

Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Marcelo Tosatti 2005-12-05 19:31:36 -02:00 committed by Paul Mackerras
parent 237a0989e2
commit 398f68580f
1 changed files with 7 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/char/watchdog/mpc8xx_wdt.c
View File

@ -18,6 +18,7 @@
#include <linux/watchdog.h>
#include <asm/8xx_immap.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <syslib/m8xx_wdt.h>
static unsigned long wdt_opened;
@ -25,24 +26,26 @@ static int wdt_status;
static void mpc8xx_wdt_handler_disable(void)
{
volatile immap_t *imap = (volatile immap_t *)IMAP_ADDR;
volatile uint __iomem *piscr;
piscr = (uint *)&((immap_t*)IMAP_ADDR)->im_sit.sit_piscr;
if (!m8xx_has_internal_rtc)
m8xx_wdt_stop_timer();
else
out_be32(imap->im_sit.sit_piscr, in_be32(&imap->im_sit.sit_piscr) & ~(PISCR_PIE | PISCR_PTE));
out_be32(piscr, in_be32(piscr) & ~(PISCR_PIE | PISCR_PTE));
printk(KERN_NOTICE "mpc8xx_wdt: keep-alive handler deactivated\n");
}
static void mpc8xx_wdt_handler_enable(void)
{
volatile immap_t *imap = (volatile immap_t *)IMAP_ADDR;
volatile uint __iomem *piscr;
piscr = (uint *)&((immap_t*)IMAP_ADDR)->im_sit.sit_piscr;
if (!m8xx_has_internal_rtc)
m8xx_wdt_install_timer();
else
out_be32(&imap->im_sit.sit_piscr, in_be32(&imap->im_sit.sit_piscr) | PISCR_PIE | PISCR_PTE);
out_be32(piscr, in_be32(piscr) | PISCR_PIE | PISCR_PTE);
printk(KERN_NOTICE "mpc8xx_wdt: keep-alive handler activated\n");
}