Commit dd04c63c authored by Anton Blanchard's avatar Anton Blanchard Committed by Benjamin Herrenschmidt
Browse files

powerpc: Remove check of ibm,smt-snooze-delay OF property 



I'm not sure why we have code for parsing an ibm,smt-snooze-delay OF
property. Since we have a smt-snooze-delay= boot option and we can
also set it at runtime via sysfs, it should be safe to get rid of
this code.

Signed-off-by: default avatarAnton Blanchard <anton@samba.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 60adec62

arch/powerpc/kernel/sysfs.c

+0 −29
Original line number Original line Diff line number Diff line
@@ -67,33 +67,6 @@ static ssize_t show_smt_snooze_delay(struct sys_device *dev, 
static SYSDEV_ATTR(smt_snooze_delay, 0644, show_smt_snooze_delay,

static SYSDEV_ATTR(smt_snooze_delay, 0644, show_smt_snooze_delay,

		   store_smt_snooze_delay);

		   store_smt_snooze_delay);





/* Only parse OF options if the matching cmdline option was not specified */

static int smt_snooze_cmdline;



static int __init smt_setup(void)

{

	struct device_node *options;

	const unsigned int *val;

	unsigned int cpu;



	if (!cpu_has_feature(CPU_FTR_SMT))

		return -ENODEV;



	options = of_find_node_by_path("/options");

	if (!options)

		return -ENODEV;



	val = of_get_property(options, "ibm,smt-snooze-delay", NULL);

	if (!smt_snooze_cmdline && val) {

		for_each_possible_cpu(cpu)

			per_cpu(smt_snooze_delay, cpu) = *val;

	}



	of_node_put(options);

	return 0;

}

__initcall(smt_setup);



static int __init setup_smt_snooze_delay(char *str)

static int __init setup_smt_snooze_delay(char *str)

{

{

	unsigned int cpu;

	unsigned int cpu;
@@ -102,8 +75,6 @@ static int __init setup_smt_snooze_delay(char *str) 
	if (!cpu_has_feature(CPU_FTR_SMT))

	if (!cpu_has_feature(CPU_FTR_SMT))

		return 1;

		return 1;





	smt_snooze_cmdline = 1;



	if (get_option(&str, &snooze)) {

	if (get_option(&str, &snooze)) {

		for_each_possible_cpu(cpu)

		for_each_possible_cpu(cpu)

			per_cpu(smt_snooze_delay, cpu) = snooze;

			per_cpu(smt_snooze_delay, cpu) = snooze;

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