Commit 0a02bc0a authored by Andrew Davis's avatar Andrew Davis Committed by Jassi Brar
Browse files

mailbox: omap: Fix mailbox interrupt sharing 



Multiple mailbox users can share one interrupt line. This flag was
mistakenly dropped as part of the FIFO removal. Mark the IRQ as shared.

Reported-by: default avatarBeleswar Padhi <b-padhi@ti.com>
Fixes: 3f58c1f4 ("mailbox: omap: Remove kernel FIFO message queuing")
Signed-off-by: default avatarAndrew Davis <afd@ti.com>
Tested-by: default avatarBeleswar Padhi <b-padhi@ti.com>
Signed-off-by: default avatarJassi Brar <jassisinghbrar@gmail.com>
parent aa1609f5

drivers/mailbox/omap-mailbox.c

+2 −1
Original line number Diff line number Diff line
@@ -230,7 +230,8 @@ static int omap_mbox_startup(struct omap_mbox *mbox) 
	int ret = 0;



	ret = request_threaded_irq(mbox->irq, NULL, mbox_interrupt,

				   IRQF_ONESHOT, mbox->name, mbox);

				   IRQF_SHARED | IRQF_ONESHOT, mbox->name,

				   mbox);

	if (unlikely(ret)) {

		pr_err("failed to register mailbox interrupt:%d\n", ret);

		return ret;