6.10-stable review patch. If anyone has any objections, please let me know.
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From: Andrew Davis afd@ti.com
[ Upstream commit 0a02bc0a34cd53c7fe5bf4bae6efb56ad47677fa ]
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 b-padhi@ti.com Fixes: 3f58c1f4206f ("mailbox: omap: Remove kernel FIFO message queuing") Signed-off-by: Andrew Davis afd@ti.com Tested-by: Beleswar Padhi b-padhi@ti.com Signed-off-by: Jassi Brar jassisinghbrar@gmail.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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 46747559b438f..7a87424657a15 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;