From 0a02bc0a34cd53c7fe5bf4bae6efb56ad47677fa Mon Sep 17 00:00:00 2001 From: Andrew Davis Date: Tue, 11 Jun 2024 12:04:56 -0500 Subject: [PATCH] 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: Beleswar Padhi Fixes: 3f58c1f4206f ("mailbox: omap: Remove kernel FIFO message queuing") Signed-off-by: Andrew Davis Tested-by: Beleswar Padhi Signed-off-by: Jassi Brar --- drivers/mailbox/omap-mailbox.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mailbox/omap-mailbox.c b/drivers/mailbox/omap-mailbox.c index 46747559b438..7a87424657a1 100644 --- a/drivers/mailbox/omap-mailbox.c +++ b/drivers/mailbox/omap-mailbox.c @@ -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; -- 2.50.1