linux-kernel - [PATCH 2/3] gpio: mt7621: support gpio-line-names property

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Date:   Thu,  8 Jul 2021 09:04:28 +0200
From:   Sergio Paracuellos <sergio.paracuellos@...il.com>
To:     linux-gpio@...r.kernel.org
Cc:     linus.walleij@...aro.org, gregory.0xf0@...il.com,
        bgolaszewski@...libre.com, f.fainelli@...il.com,
        matthias.bgg@...il.com, opensource@...rst.com,
        andy.shevchenko@...il.com, git@...nthomson.fastmail.com.au,
        neil@...wn.name, hofrat@...dl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] gpio: mt7621: support gpio-line-names property

This driver uses multiple gpiochip banks per device.
To support 'gpio-line-names' along the banks 'offset'
for each bank must be set explicitly.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@...il.com>
---
 drivers/gpio/gpio-mt7621.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/gpio-mt7621.c b/drivers/gpio/gpio-mt7621.c
index 82fb20dca53a..5854a9343491 100644
--- a/drivers/gpio/gpio-mt7621.c
+++ b/drivers/gpio/gpio-mt7621.c
@@ -241,6 +241,7 @@ mediatek_gpio_bank_probe(struct device *dev,
 	if (!rg->chip.label)
 		return -ENOMEM;
 
+	rg->chip.offset = bank * MTK_BANK_WIDTH;
 	rg->irq_chip.name = dev_name(dev);
 	rg->irq_chip.parent_device = dev;
 	rg->irq_chip.irq_unmask = mediatek_gpio_irq_unmask;
-- 
2.25.1