powernv/elog: Convert elog to opal irq domain (74159a70) · Commits · 戴 / test

arch/powerpc/platforms/powernv/opal-elog.c

+16 −16

Original line number	Diff line number	Diff line
		@@ -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;
		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))
		@@ -305,9 +297,17 @@ 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",
		pr_err("%s: Can't request OPAL event irq (%d)\n",
		__func__, rc);
		return rc;
		}