linux-kernel - [PATCH v2 4/4] gpio: sifive: Allow building the driver as a module

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Message-Id: <20230719163446.1398961-5-samuel.holland@sifive.com>
Date:   Wed, 19 Jul 2023 09:34:45 -0700
From:   Samuel Holland <samuel.holland@...ive.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Andy Shevchenko <andy@...nel.org>
Cc:     Emil Renner Berthing <emil.renner.berthing@...onical.com>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Samuel Holland <samuel.holland@...ive.com>,
        Palmer Dabbelt <palmer@...osinc.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org
Subject: [PATCH v2 4/4] gpio: sifive: Allow building the driver as a module

This can reduce the kernel image size in multiplatform configurations.

Acked-by: Palmer Dabbelt <palmer@...osinc.com>
Signed-off-by: Samuel Holland <samuel.holland@...ive.com>
---

Changes in v2:
 - Add MODULE_AUTHOR and MODULE_DESCRIPTION

 drivers/gpio/Kconfig       | 2 +-
 drivers/gpio/gpio-sifive.c | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index e382dfebad7c..1a8e8a8c85d6 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -564,7 +564,7 @@ config GPIO_SAMA5D2_PIOBU
 	  maintain their value during backup/self-refresh.
 
 config GPIO_SIFIVE
-	bool "SiFive GPIO support"
+	tristate "SiFive GPIO support"
 	depends on OF_GPIO
 	select IRQ_DOMAIN_HIERARCHY
 	select GPIO_GENERIC
diff --git a/drivers/gpio/gpio-sifive.c b/drivers/gpio/gpio-sifive.c
index 46a42109d6f5..eacd67982de0 100644
--- a/drivers/gpio/gpio-sifive.c
+++ b/drivers/gpio/gpio-sifive.c
@@ -258,4 +258,8 @@ static struct platform_driver sifive_gpio_driver = {
 		.of_match_table = sifive_gpio_match,
 	},
 };
-builtin_platform_driver(sifive_gpio_driver)
+module_platform_driver(sifive_gpio_driver)
+
+MODULE_AUTHOR("Yash Shah <yash.shah@...ive.com>");
+MODULE_DESCRIPTION("SiFive GPIO driver");
+MODULE_LICENSE("GPL");
-- 
2.40.1