linux-kernel - [PATCH v6 2/2] bluetooth: hci_bcm: enable IRQ capability from devicetree

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Message-Id: <20200109104257.6942-3-glaroque@baylibre.com>
Date:   Thu,  9 Jan 2020 11:42:57 +0100
From:   Guillaume La Roque <glaroque@...libre.com>
To:     marcel@...tmann.org, johan.hedberg@...il.com,
        devicetree@...r.kernel.org, linux-bluetooth@...r.kernel.org
Cc:     johan@...nel.org, nsaenzjulienne@...e.de,
        linux-kernel@...r.kernel.org, khilman@...libre.com
Subject: [PATCH v6 2/2] bluetooth: hci_bcm: enable IRQ capability from devicetree

Add support for getting IRQ directly from DT instead of relying on
converting a GPIO to IRQ. This is needed for platforms with GPIO
controllers that that do not support gpiod_to_irq().

Reviewed-by: Kevin Hilman <khilman@...libre.com>
Signed-off-by: Guillaume La Roque <glaroque@...libre.com>
---
 drivers/bluetooth/hci_bcm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 769bb4404bd1..b236cb11c0dc 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -13,6 +13,7 @@
 #include <linux/module.h>
 #include <linux/acpi.h>
 #include <linux/of.h>
+#include <linux/of_irq.h>
 #include <linux/property.h>
 #include <linux/platform_data/x86/apple.h>
 #include <linux/platform_device.h>
@@ -1151,6 +1152,8 @@ static int bcm_of_probe(struct bcm_device *bdev)
 	device_property_read_u32(bdev->dev, "max-speed", &bdev->oper_speed);
 	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");
+
 	return 0;
 }
 
-- 
2.17.1