linux-kernel - [RFC PATCH 2/5] file2alias: Support for serdev devices

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Date:   Mon, 26 Oct 2020 23:27:15 +0530
From:   Vaishnav M A <vaishnav@...gleboard.org>
To:     johan@...nel.org
Cc:     ribalda@...nel.org, robh@...nel.org, gregkh@...uxfoundation.org,
        jirislaby@...nel.org, masahiroy@...nel.org,
        andriy.shevchenko@...ux.intel.com, linux-kernel@...r.kernel.org,
        linux-serial@...r.kernel.org, linux-kbuild@...r.kernel.org,
        jkridner@...gleboard.org, drew@...gleboard.org,
        robertcnelson@...gleboard.org, vaishnav@...gleboard.org
Subject: [RFC PATCH 2/5] file2alias: Support for serdev devices

This patch allows file2alias to generate the proper module headers to
support serdev modalias drivers.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
Signed-off-by: Vaishnav M A <vaishnav@...gleboard.org>
---
 scripts/mod/devicetable-offsets.c |  3 +++
 scripts/mod/file2alias.c          | 10 ++++++++++
 2 files changed, 13 insertions(+)

diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c
index 27007c18e754..732cd03e911d 100644
--- a/scripts/mod/devicetable-offsets.c
+++ b/scripts/mod/devicetable-offsets.c
@@ -152,6 +152,9 @@ int main(void)
 	DEVID_FIELD(i3c_device_id, part_id);
 	DEVID_FIELD(i3c_device_id, extra_info);
 
+	DEVID(serdev_device_id);
+	DEVID_FIELD(serdev_device_id, name);
+
 	DEVID(spi_device_id);
 	DEVID_FIELD(spi_device_id, name);
 
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 2417dd1dee33..540fee036d9d 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -947,6 +947,15 @@ static int do_spi_entry(const char *filename, void *symval,
 	return 1;
 }
 
+static int do_serdev_entry(const char *filename, void *symval,
+			   char *alias)
+{
+	DEF_FIELD_ADDR(symval, serdev_device_id, name);
+	sprintf(alias, SERDEV_MODULE_PREFIX "%s", *name);
+
+	return 1;
+}
+
 static const struct dmifield {
 	const char *prefix;
 	int field;
@@ -1420,6 +1429,7 @@ static const struct devtable devtable[] = {
 	{"rpmsg", SIZE_rpmsg_device_id, do_rpmsg_entry},
 	{"i2c", SIZE_i2c_device_id, do_i2c_entry},
 	{"i3c", SIZE_i3c_device_id, do_i3c_entry},
+	{"serdev", SIZE_serdev_device_id, do_serdev_entry},
 	{"spi", SIZE_spi_device_id, do_spi_entry},
 	{"dmi", SIZE_dmi_system_id, do_dmi_entry},
 	{"platform", SIZE_platform_device_id, do_platform_entry},
-- 
2.25.1