linux-kernel - [PATCH 1/2] bluetooth: hci_bcm: respect IRQ polarity from DT

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Message-Id: <d01cfc2df21f016ef6c790e1ed8f3ed933cf5ad3.1585831987.git.mirq-linux@rere.qmqm.pl>
Date:   Thu, 02 Apr 2020 14:55:18 +0200
From:   Michał Mirosław <mirq-linux@...e.qmqm.pl>
To:     Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Guillaume La Roque <glaroque@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Frederic Danis <frederic.danis@...ux.intel.com>
Cc:     linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] bluetooth: hci_bcm: respect IRQ polarity from DT

The IRQ polarity is be configured in bcm_setup_sleep(). Make the
configured value match what is in the DeviceTree.

Cc: stable@...r.kernel.org
Fixes: f25a96c8eb46 ("Bluetooth: hci_bcm: enable IRQ capability from devicetree")
Signed-off-by: Michał Mirosław <mirq-linux@...e.qmqm.pl>
---
 drivers/bluetooth/hci_bcm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index b236cb11c0dc..36b7f0d00c4b 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -1153,7 +1153,8 @@ static int bcm_of_probe(struct bcm_device *bdev)
 	device_property_read_u8_array(bdev->dev, "brcm,bt-pcm-int-params",
 				      bdev->pcm_int_params, 5);
 	bdev->irq = of_irq_get_byname(bdev->dev->of_node, "host-wakeup");
-
+	bdev->irq_active_low = irq_get_trigger_type(bdev->irq)
+			     & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_LEVEL_LOW);
 	return 0;
 }
 
-- 
2.20.1