[PATCH v4 6/9] powernv/opal: Convert opal message events to opal irq domain
From: Alistair Popple <hidden>
Date: 2015-05-15 04:08:32
Also in:
linuxppc-dev
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
This patch converts the opal message event to use the new opal irq domain. Signed-off-by: Alistair Popple <redacted> --- arch/powerpc/platforms/powernv/opal.c | 29 +++++++++++++++-------------- 1 file changed, 15 insertions(+), 14 deletions(-)
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 3baca71..cd5718b 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c@@ -362,33 +362,34 @@ static void opal_handle_message(void) opal_message_do_notify(type, (void *)&msg); } -static int opal_message_notify(struct notifier_block *nb, - unsigned long events, void *change) +static irqreturn_t opal_message_notify(int irq, void *data) { - if (events & OPAL_EVENT_MSG_PENDING) - opal_handle_message(); - return 0; + opal_handle_message(); + return IRQ_HANDLED; } -static struct notifier_block opal_message_nb = { - .notifier_call = opal_message_notify, - .next = NULL, - .priority = 0, -}; - static int __init opal_message_init(void) { - int ret, i; + int ret, i, irq; for (i = 0; i < OPAL_MSG_TYPE_MAX; i++) ATOMIC_INIT_NOTIFIER_HEAD(&opal_msg_notifier_head[i]); - ret = opal_notifier_register(&opal_message_nb); + irq = opal_event_request(ilog2(OPAL_EVENT_MSG_PENDING)); + if (!irq) { + pr_err("%s: Can't register OPAL event irq (%d)\n", + __func__, irq); + return irq; + } + + ret = request_irq(irq, opal_message_notify, + IRQ_TYPE_LEVEL_HIGH, "opal-msg", NULL); if (ret) { - pr_err("%s: Can't register OPAL event notifier (%d)\n", + pr_err("%s: Can't request OPAL event irq (%d)\n", __func__, ret); return ret; } + return 0; }
--
1.8.3.2