[PATCH 1/3] gpio: mcp23s08: request a shared interrupt

[Alexander Stein <alexander.stein@xxxxxxxxxxxxxxxxxxxxx>]

Request a shared interrupt when requesting a mcp23s08 GPIO interrupt.

Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxxxxxxxx>
---
 drivers/gpio/gpio-mcp23s08.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c
index d5e9586..9295b6e 100644
--- a/drivers/gpio/gpio-mcp23s08.c
+++ b/drivers/gpio/gpio-mcp23s08.c
@@ -485,7 +485,8 @@ static int mcp23s08_irq_setup(struct mcp23s08 *mcp)
 		return -ENODEV;
 
 	err = devm_request_threaded_irq(chip->dev, mcp->irq, NULL, mcp23s08_irq,
-					IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+					IRQF_TRIGGER_LOW | IRQF_ONESHOT |
+					IRQF_SHARED,
 					dev_name(chip->dev), mcp);
 	if (err != 0) {
 		dev_err(chip->dev, "unable to request IRQ#%d: %d\n",
-- 
2.0.4

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