linux-kernel - [PATCH] remoteproc: xilinx: Prevent auto-enabling of IRQ

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Date:	Wed, 4 Mar 2015 09:28:34 +0000
From:	"Nielsen, David Marqvar" <david.nielsen@...ham.com>
To:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	"michal.simek@...inx.com" <michal.simek@...inx.com>
Subject: [PATCH] remoteproc: xilinx: Prevent auto-enabling of IRQ

Prevent auto-enabling of IRQ - the firmware should do this when ready

Signed-off-by: David Marqvar Nielsen <david.nielsen@...ham.com>
---
 drivers/remoteproc/zynq_remoteproc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/remoteproc/zynq_remoteproc.c b/drivers/remoteproc/zynq_remoteproc.c
index 7a7d711..b4723dc 100644
--- a/drivers/remoteproc/zynq_remoteproc.c
+++ b/drivers/remoteproc/zynq_remoteproc.c
@@ -375,6 +375,8 @@ static int zynq_remoteproc_probe(struct platform_device *pdev)

                dev_dbg(&pdev->dev, "%d: Alloc irq: %d\n", count, tmp->irq);

+               /* Prevent auto-enabling of IRQ */
+               irq_set_status_flags(tmp->irq, IRQ_NOAUTOEN);
                /* Allocating shared IRQs will ensure that any module will
                 * use these IRQs */
                ret = request_irq(tmp->irq, zynq_remoteproc_interrupt, 0,
--
1.8.3.4

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