powerpc/powernv: Create opal sysfs directory
Create /sys/firmware/opal directory. We wil use this interface to fetch opal error logs, firmware update, etc. Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
parent
ef1313deaf
commit
6f68b5e2c6
|
@ -601,6 +601,9 @@ typedef struct oppanel_line {
|
|||
uint64_t line_len;
|
||||
} oppanel_line_t;
|
||||
|
||||
/* /sys/firmware/opal */
|
||||
extern struct kobject *opal_kobj;
|
||||
|
||||
/* API functions */
|
||||
int64_t opal_console_write(int64_t term_number, __be64 *length,
|
||||
const uint8_t *buffer);
|
||||
|
|
|
@ -17,11 +17,15 @@
|
|||
#include <linux/interrupt.h>
|
||||
#include <linux/notifier.h>
|
||||
#include <linux/slab.h>
|
||||
#include <linux/kobject.h>
|
||||
#include <asm/opal.h>
|
||||
#include <asm/firmware.h>
|
||||
|
||||
#include "powernv.h"
|
||||
|
||||
/* /sys/firmware/opal */
|
||||
struct kobject *opal_kobj;
|
||||
|
||||
struct opal {
|
||||
u64 base;
|
||||
u64 entry;
|
||||
|
@ -375,6 +379,17 @@ static irqreturn_t opal_interrupt(int irq, void *data)
|
|||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
static int opal_sysfs_init(void)
|
||||
{
|
||||
opal_kobj = kobject_create_and_add("opal", firmware_kobj);
|
||||
if (!opal_kobj) {
|
||||
pr_warn("kobject_create_and_add opal failed\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int __init opal_init(void)
|
||||
{
|
||||
struct device_node *np, *consoles;
|
||||
|
@ -420,6 +435,10 @@ static int __init opal_init(void)
|
|||
" (0x%x)\n", rc, irq, hwirq);
|
||||
opal_irqs[i] = irq;
|
||||
}
|
||||
|
||||
/* Create "opal" kobject under /sys/firmware */
|
||||
rc = opal_sysfs_init();
|
||||
|
||||
return 0;
|
||||
}
|
||||
subsys_initcall(opal_init);
|
||||
|
|
Loading…
Reference in a new issue