netdev - [RFC v7 net-next 02/13] pinctrl: microchip-sgpio: allow sgpio driver to be used as a module

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Message-Id: <20220307021208.2406741-3-colin.foster@in-advantage.com>
Date:   Sun,  6 Mar 2022 18:11:57 -0800
From:   Colin Foster <colin.foster@...advantage.com>
To:     linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org,
        linux-phy@...ts.infradead.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Marc Zyngier <maz@...nel.org>,
        Hector Martin <marcan@...can.st>,
        Angela Czubak <acz@...ihalf.com>,
        Steen Hegelund <Steen.Hegelund@...rochip.com>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Russell King <linux@...linux.org.uk>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Andrew Lunn <andrew@...n.ch>, UNGLinuxDriver@...rochip.com,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Vladimir Oltean <vladimir.oltean@....com>,
        Lee Jones <lee.jones@...aro.org>, katie.morris@...advantage.com
Subject: [RFC v7 net-next 02/13] pinctrl: microchip-sgpio: allow sgpio driver to be used as a module

As the commit message suggests, this simply adds the ability to select
SGPIO pinctrl as a module. This becomes more practical when the SGPIO
hardware exists on an external chip, controlled indirectly by I2C or SPI.
This commit enables that level of control.

Signed-off-by: Colin Foster <colin.foster@...advantage.com>
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
---
 drivers/pinctrl/Kconfig                   | 2 +-
 drivers/pinctrl/pinctrl-microchip-sgpio.c | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index 1b367f423ceb..7ff00c560775 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -292,7 +292,7 @@ config PINCTRL_MCP23S08
 	  corresponding interrupt-controller.
 
 config PINCTRL_MICROCHIP_SGPIO
-	bool "Pinctrl driver for Microsemi/Microchip Serial GPIO"
+	tristate "Pinctrl driver for Microsemi/Microchip Serial GPIO"
 	depends on OF
 	depends on HAS_IOMEM
 	select GPIOLIB
diff --git a/drivers/pinctrl/pinctrl-microchip-sgpio.c b/drivers/pinctrl/pinctrl-microchip-sgpio.c
index 639f1130e989..e8e47a6808e6 100644
--- a/drivers/pinctrl/pinctrl-microchip-sgpio.c
+++ b/drivers/pinctrl/pinctrl-microchip-sgpio.c
@@ -913,6 +913,7 @@ static const struct of_device_id microchip_sgpio_gpio_of_match[] = {
 		/* sentinel */
 	}
 };
+MODULE_DEVICE_TABLE(of, microchip_sgpio_gpio_of_match);
 
 static struct platform_driver microchip_sgpio_pinctrl_driver = {
 	.driver = {
@@ -923,3 +924,6 @@ static struct platform_driver microchip_sgpio_pinctrl_driver = {
 	.probe = microchip_sgpio_probe,
 };
 builtin_platform_driver(microchip_sgpio_pinctrl_driver);
+
+MODULE_DESCRIPTION("Microchip SGPIO Pinctrl Driver");
+MODULE_LICENSE("GPL v2");
-- 
2.25.1