powerpc/powernv: Hookup reboot and poweroff functions

This calls the respective HAL functions, and spin on hal_poll_event()
to ensure the HAL has a chance to communicate with the FSP to trigger
the reboot or shutdown operation
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent daea1175
......@@ -83,19 +83,39 @@ static void pnv_show_cpuinfo(struct seq_file *m)
of_node_put(root);
}
static void pnv_restart(char *cmd)
static void __noreturn pnv_restart(char *cmd)
{
for (;;);
long rc = OPAL_BUSY;
while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) {
rc = opal_cec_reboot();
if (rc == OPAL_BUSY_EVENT)
opal_poll_events(NULL);
else
mdelay(10);
}
for (;;)
opal_poll_events(NULL);
}
static void pnv_power_off(void)
static void __noreturn pnv_power_off(void)
{
for (;;);
long rc = OPAL_BUSY;
while (rc == OPAL_BUSY || rc == OPAL_BUSY_EVENT) {
rc = opal_cec_power_down(0);
if (rc == OPAL_BUSY_EVENT)
opal_poll_events(NULL);
else
mdelay(10);
}
for (;;)
opal_poll_events(NULL);
}
static void pnv_halt(void)
static void __noreturn pnv_halt(void)
{
for (;;);
pnv_power_off();
}
static unsigned long __init pnv_get_boot_time(void)
......
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