@@ -78,7 +78,7 @@ do { \
/* AUXIO2 (Power Off Control) */
-extern __volatile__ unsigned char * auxio_power_register;
+extern volatile u8 __iomem *auxio_power_register;
#define AUXIO_POWER_DETECT_FAILURE 32
#define AUXIO_POWER_CLEAR_FAILURE 2
@@ -106,7 +106,7 @@ EXPORT_SYMBOL(set_auxio);
/* sun4m power control register (AUXIO2) */
-volatile unsigned char * auxio_power_register = NULL;
+volatile u8 __iomem *auxio_power_register = NULL;
void __init auxio_power_probe(void)
{
@@ -130,8 +130,8 @@ void __init auxio_power_probe(void)
r.flags = regs.which_io & 0xF;
r.start = regs.phys_addr;
r.end = regs.phys_addr + regs.reg_size - 1;
- auxio_power_register = (unsigned char *) of_ioremap(&r, 0,
- regs.reg_size, "auxpower");
+ auxio_power_register =
+ (u8 __iomem *)of_ioremap(&r, 0, regs.reg_size, "auxpower");
/* Display a quick message on the console. */
if (auxio_power_register)
@@ -106,8 +106,12 @@ void machine_restart(char * cmd)
void machine_power_off(void)
{
if (auxio_power_register &&
- (strcmp(of_console_device->type, "serial") || scons_pwroff))
- *auxio_power_register |= AUXIO_POWER_OFF;
+ (strcmp(of_console_device->type, "serial") || scons_pwroff)) {
+ u8 power_register = sbus_readb(auxio_power_register);
+ power_register |= AUXIO_POWER_OFF;
+ sbus_writeb(power_register, auxio_power_register);
+ }
+
machine_halt();
}
Fix following warning: auxio_32.c:133:33: warning: cast removes address space of expression To fix this auxio_power_register had to be defined as u8 _iomem. Use proper sbus operations on the pointer. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> --- arch/sparc/include/asm/auxio_32.h | 2 +- arch/sparc/kernel/auxio_32.c | 6 +++--- arch/sparc/kernel/process_32.c | 8 ++++++-- 3 files changed, 10 insertions(+), 6 deletions(-)