netdev - [RFC PATCH v4 net-next 11/23] pinctrl: ocelot: update pinctrl to automatic base address

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Message-Id: <20211116062328.1949151-12-colin.foster@in-advantage.com>
Date:   Mon, 15 Nov 2021 22:23:16 -0800
From:   Colin Foster <colin.foster@...advantage.com>
To:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Vladimir Oltean <vladimir.oltean@....com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        UNGLinuxDriver@...rochip.com, Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        Steen Hegelund <Steen.Hegelund@...rochip.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [RFC PATCH v4 net-next 11/23] pinctrl: ocelot: update pinctrl to automatic base address

struct gpio_chip recommends passing -1 as base to gpiolib. Doing so avoids
conflicts when the chip is external and gpiochip0 already exists.

Signed-off-by: Colin Foster <colin.foster@...advantage.com>
---
 drivers/pinctrl/pinctrl-ocelot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c
index cc7fb0556169..f015404c425c 100644
--- a/drivers/pinctrl/pinctrl-ocelot.c
+++ b/drivers/pinctrl/pinctrl-ocelot.c
@@ -1308,7 +1308,7 @@ static int ocelot_gpiochip_register(struct platform_device *pdev,
 	gc = &info->gpio_chip;
 	gc->ngpio = info->desc->npins;
 	gc->parent = &pdev->dev;
-	gc->base = 0;
+	gc->base = -1;
 	gc->of_node = info->dev->of_node;
 	gc->label = "ocelot-gpio";
 
-- 
2.25.1