linux-kernel - [PATCH v1 4/5] Bluetooth: hci_bcm: Use acpi_gpio_get_*

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Message-Id: <20210803192905.72246-4-andriy.shevchenko@linux.intel.com>
Date:   Tue,  3 Aug 2021 22:29:04 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Maximilian Luz <luzmaximilian@...il.com>,
        Lee Jones <lee.jones@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org,
        platform-driver-x86@...r.kernel.org, linux-serial@...r.kernel.org
Cc:     Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        Mark Gross <mgross@...ux.intel.com>,
        Rob Herring <robh@...nel.org>,
        Jiri Slaby <jirislaby@...nel.org>
Subject: [PATCH v1 4/5] Bluetooth: hci_bcm: Use acpi_gpio_get_*_resource() helpers

ACPI provides generic helpers to get GPIO interrupt and IO resources.
Use it instead of open coded variant.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/bluetooth/hci_bcm.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 16f854ac19b6..ed99fcde2523 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -911,15 +911,6 @@ static int bcm_resource(struct acpi_resource *ares, void *data)
 		dev->irq_active_low = true;
 		break;
 
-	case ACPI_RESOURCE_TYPE_GPIO:
-		gpio = &ares->data.gpio;
-		if (gpio->connection_type == ACPI_RESOURCE_GPIO_TYPE_INT) {
-			dev->gpio_int_idx = dev->gpio_count;
-			dev->irq_active_low = gpio->polarity == ACPI_ACTIVE_LOW;
-		}
-		dev->gpio_count++;
-		break;
-
 	default:
 		break;
 	}
@@ -927,6 +918,12 @@ static int bcm_resource(struct acpi_resource *ares, void *data)
 	if (serdev_acpi_get_uart_resource(ares, &uart)) {
 		dev->init_speed = uart->default_baud_rate;
 		dev->oper_speed = 4000000;
+	} else if (acpi_gpio_get_irq_resource(ares, &gpio)) {
+		dev->gpio_int_idx = dev->gpio_count;
+		dev->irq_active_low = gpio->polarity == ACPI_ACTIVE_LOW;
+		dev->gpio_count++;
+	} else if (acpi_gpio_get_io_resource(ares, &gpio)) {
+		dev->gpio_count++;
 	}
 
 	return 0;
-- 
2.30.2