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sparc32: fix sparse warning in auxio_32.c

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sam Ravnborg
2014-05-16 23:25:43 +02:00
committed by David S. Miller
parent 7738925de8
commit d2aca8f9a6
3 changed files with 10 additions and 6 deletions
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8
arch/sparc/kernel/process_32.c
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@@ -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();
}