p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

powernv/elog: Convert elog to opal irq domain 

This patch converts the elog code to use the opal irq domain instead
of notifier events.

Signed-off-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Alistair Popple 2015-05-15 14:06:42 +10:00 committed by Michael Ellerman
parent a295af24d0
commit 74159a7028
1 changed files with 16 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
arch/powerpc/platforms/powernv/opal-elog.c
View File

@ -10,6 +10,7 @@
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/of.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
@ -276,24 +277,15 @@ static void elog_work_fn(struct work_struct *work)
static DECLARE_WORK(elog_work, elog_work_fn);
static int elog_event(struct notifier_block *nb,
unsigned long events, void *change)
static irqreturn_t elog_event(int irq, void *data)
{
/* check for error log event */
if (events & OPAL_EVENT_ERROR_LOG_AVAIL)
schedule_work(&elog_work);
return 0;
schedule_work(&elog_work);
return IRQ_HANDLED;
}
static struct notifier_block elog_nb = {
.notifier_call = elog_event,
.next = NULL,
.priority = 0
};
int __init opal_elog_init(void)
{
int rc = 0;
int rc = 0, irq;
/* ELOG not supported by firmware */
if (!opal_check_token(OPAL_ELOG_READ))
@ -305,10 +297,18 @@ int __init opal_elog_init(void)
return -1;
}
rc = opal_notifier_register(&elog_nb);
irq = opal_event_request(ilog2(OPAL_EVENT_ERROR_LOG_AVAIL));
if (!irq) {
pr_err("%s: Can't register OPAL event irq (%d)\n",
__func__, irq);
return irq;
}
rc = request_irq(irq, elog_event,
IRQ_TYPE_LEVEL_HIGH, "opal-elog", NULL);
if (rc) {
pr_err("%s: Can't register OPAL event notifier (%d)\n",
__func__, rc);
pr_err("%s: Can't request OPAL event irq (%d)\n",
__func__, rc);
return rc;
}