linux-kernel - [PATCH net-next 2/2] net: rfkill: gpio: allow booting in blocked state

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Message-Id: <20250110081902.1846296-2-catalin.popescu@leica-geosystems.com>
Date: Fri, 10 Jan 2025 09:19:02 +0100
From: Catalin Popescu <catalin.popescu@...ca-geosystems.com>
To: andrew+netdev@...n.ch,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	robh@...nel.org
Cc: netdev@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-wireless@...r.kernel.org,
	m.felsch@...gutronix.de,
	bsp-development.geo@...ca-geosystems.com,
	Catalin Popescu <catalin.popescu@...ca-geosystems.com>
Subject: [PATCH net-next 2/2] net: rfkill: gpio: allow booting in blocked state

By default, rfkill state is unblocked and this behavior is not
configurable. Add support for booting in blocked state based on the
presence of a devicetree property.

Signed-off-by: Catalin Popescu <catalin.popescu@...ca-geosystems.com>
---
 net/rfkill/rfkill-gpio.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c
index 9fa019e0dcad..41e657e97761 100644
--- a/net/rfkill/rfkill-gpio.c
+++ b/net/rfkill/rfkill-gpio.c
@@ -162,6 +162,9 @@ static int rfkill_gpio_probe(struct platform_device *pdev)
 	if (!rfkill->rfkill_dev)
 		return -ENOMEM;
 
+	if (device_property_present(&pdev->dev, "default-blocked"))
+		rfkill_init_sw_state(rfkill->rfkill_dev, true);
+
 	ret = rfkill_register(rfkill->rfkill_dev);
 	if (ret < 0)
 		goto err_destroy;
-- 
2.34.1