linux-kernel - [PATCH 3/3] gpio: brcmstb: add support for gpio-ranges

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Date: Wed, 24 Apr 2024 11:50:39 -0700
From: Doug Berger <opendmb@...il.com>
To: Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>
Cc: Phil Elwell <phil@...pberrypi.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	bcm-kernel-feedback-list@...adcom.com,
	linux-gpio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Doug Berger <opendmb@...il.com>
Subject: [PATCH 3/3] gpio: brcmstb: add support for gpio-ranges

A pin controller device mapped with the gpio-ranges property
will need implementations of the .request and .free members of
the gpiochip.

Signed-off-by: Doug Berger <opendmb@...il.com>
Tested-by: Phil Elwell <phil@...pberrypi.com>
---
 drivers/gpio/gpio-brcmstb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpio/gpio-brcmstb.c b/drivers/gpio/gpio-brcmstb.c
index 790cb278b72a..8dce78ea7139 100644
--- a/drivers/gpio/gpio-brcmstb.c
+++ b/drivers/gpio/gpio-brcmstb.c
@@ -694,6 +694,8 @@ static int brcmstb_gpio_probe(struct platform_device *pdev)
 		/* not all ngpio lines are valid, will use bank width later */
 		gc->ngpio = MAX_GPIO_PER_BANK;
 		gc->offset = bank->id * MAX_GPIO_PER_BANK;
+		gc->request = gpiochip_generic_request;
+		gc->free = gpiochip_generic_free;
 		if (priv->parent_irq > 0)
 			gc->to_irq = brcmstb_gpio_to_irq;
 
-- 
2.34.1