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Commit ec27329f authored by Benjamin Herrenschmidt's avatar Benjamin Herrenschmidt
Browse files

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

arch/powerpc/platforms/powernv/setup.c

+26 −6
Original line number Original line Diff line number Diff line
@@ -83,19 +83,39 @@ static void pnv_show_cpuinfo(struct seq_file *m) 
	of_node_put(root);

	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)

static unsigned long __init pnv_get_boot_time(void)