linux-kernel - [PATCH 2/7] w1: ds2433: add support for registering multiple families

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Message-Id: <20231117192909.98944-2-marc.ferland@sonatest.com>
Date:   Fri, 17 Nov 2023 14:29:04 -0500
From:   marc.ferland@...il.com
To:     krzysztof.kozlowski@...aro.org
Cc:     gregkh@...uxfoundation.org, marc.ferland@...atest.com,
        jeff.dagenais@...il.com, rdunlap@...radead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/7] w1: ds2433: add support for registering multiple families

From: Jean-Francois Dagenais <jeff.dagenais@...il.com>

This is ground work for supporting both the ds2433 and the
ds28ec20. Inspired by the w1_ds250x driver.

Signed-off-by: Marc Ferland <marc.ferland@...atest.com>
Signed-off-by: Jean-Francois Dagenais <jeff.dagenais@...il.com>
---
 drivers/w1/slaves/w1_ds2433.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/drivers/w1/slaves/w1_ds2433.c b/drivers/w1/slaves/w1_ds2433.c
index e18523ef8c45..e1e45ea1bfa4 100644
--- a/drivers/w1/slaves/w1_ds2433.c
+++ b/drivers/w1/slaves/w1_ds2433.c
@@ -299,7 +299,25 @@ static struct w1_family w1_family_23 = {
 	.fid = W1_EEPROM_DS2433,
 	.fops = &w1_f23_fops,
 };
-module_w1_family(w1_family_23);
+
+static int __init w1_ds2433_init(void)
+{
+	int err;
+
+	err = w1_register_family(&w1_family_23);
+	if (err)
+		return err;
+
+	return 0;
+}
+
+static void __exit w1_ds2433_exit(void)
+{
+	w1_unregister_family(&w1_family_23);
+}
+
+module_init(w1_ds2433_init);
+module_exit(w1_ds2433_exit);
 
 MODULE_AUTHOR("Ben Gardner <bgardner@...tec.com>");
 MODULE_DESCRIPTION("w1 family 23 driver for DS2433, 4kb EEPROM");
-- 
2.34.1