linux-kernel - [PATCH v2 2/3] firmware: arm_scmi: Add module aliases to i.MX vendor protocols

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Message-ID: <20241209164957.1801886-3-cristian.marussi@arm.com>
Date: Mon,  9 Dec 2024 16:49:56 +0000
From: Cristian Marussi <cristian.marussi@....com>
To: linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	arm-scmi@...r.kernel.org
Cc: sudeep.holla@....com,
	james.quinlan@...adcom.com,
	f.fainelli@...il.com,
	vincent.guittot@...aro.org,
	etienne.carriere@...com,
	peng.fan@....nxp.com,
	michal.simek@....com,
	quic_sibis@...cinc.com,
	dan.carpenter@...aro.org,
	johan+linaro@...nel.org,
	Cristian Marussi <cristian.marussi@....com>,
	Peng Fan <peng.fan@....com>
Subject: [PATCH v2 2/3] firmware: arm_scmi: Add module aliases to i.MX vendor protocols

Using the pattern 'scmi-protocol-0x<PROTO_ID>-<VEND_ID>' as MODULE_ALIAS
allows the SCMI core to autoload this protocol, if built as a module, when
its protocol operations are requested by an SCMI driver.

Cc: Peng Fan <peng.fan@....com>
Acked-by: Peng Fan <peng.fan@....com>
Signed-off-by: Cristian Marussi <cristian.marussi@....com>
---
 drivers/firmware/arm_scmi/vendors/imx/imx-sm-bbm.c  | 5 +++--
 drivers/firmware/arm_scmi/vendors/imx/imx-sm-misc.c | 5 +++--
 include/linux/scmi_imx_protocol.h                   | 9 +++++----
 3 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/drivers/firmware/arm_scmi/vendors/imx/imx-sm-bbm.c b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-bbm.c
index 17799eacf06c..aa176c1a5eef 100644
--- a/drivers/firmware/arm_scmi/vendors/imx/imx-sm-bbm.c
+++ b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-bbm.c
@@ -374,10 +374,11 @@ static const struct scmi_protocol scmi_imx_bbm = {
 	.ops = &scmi_imx_bbm_proto_ops,
 	.events = &scmi_imx_bbm_protocol_events,
 	.supported_version = SCMI_PROTOCOL_SUPPORTED_VERSION,
-	.vendor_id = "NXP",
-	.sub_vendor_id = "IMX",
+	.vendor_id = SCMI_IMX_VENDOR,
+	.sub_vendor_id = SCMI_IMX_SUBVENDOR,
 };
 module_scmi_protocol(scmi_imx_bbm);
 
+MODULE_ALIAS("scmi-protocol-" __stringify(SCMI_PROTOCOL_IMX_BBM) "-" SCMI_IMX_VENDOR);
 MODULE_DESCRIPTION("i.MX SCMI BBM driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/firmware/arm_scmi/vendors/imx/imx-sm-misc.c b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-misc.c
index a86ab9b35953..83b69fc4fba5 100644
--- a/drivers/firmware/arm_scmi/vendors/imx/imx-sm-misc.c
+++ b/drivers/firmware/arm_scmi/vendors/imx/imx-sm-misc.c
@@ -309,10 +309,11 @@ static const struct scmi_protocol scmi_imx_misc = {
 	.ops = &scmi_imx_misc_proto_ops,
 	.events = &scmi_imx_misc_protocol_events,
 	.supported_version = SCMI_PROTOCOL_SUPPORTED_VERSION,
-	.vendor_id = "NXP",
-	.sub_vendor_id = "IMX",
+	.vendor_id = SCMI_IMX_VENDOR,
+	.sub_vendor_id = SCMI_IMX_SUBVENDOR,
 };
 module_scmi_protocol(scmi_imx_misc);
 
+MODULE_ALIAS("scmi-protocol-" __stringify(SCMI_PROTOCOL_IMX_MISC) "-" SCMI_IMX_VENDOR);
 MODULE_DESCRIPTION("i.MX SCMI MISC driver");
 MODULE_LICENSE("GPL");
diff --git a/include/linux/scmi_imx_protocol.h b/include/linux/scmi_imx_protocol.h
index 066216f1357a..53b356a26414 100644
--- a/include/linux/scmi_imx_protocol.h
+++ b/include/linux/scmi_imx_protocol.h
@@ -13,10 +13,11 @@
 #include <linux/notifier.h>
 #include <linux/types.h>
 
-enum scmi_nxp_protocol {
-	SCMI_PROTOCOL_IMX_BBM = 0x81,
-	SCMI_PROTOCOL_IMX_MISC = 0x84,
-};
+#define	SCMI_PROTOCOL_IMX_BBM	0x81
+#define	SCMI_PROTOCOL_IMX_MISC	0x84
+
+#define SCMI_IMX_VENDOR		"NXP"
+#define SCMI_IMX_SUBVENDOR	"IMX"
 
 struct scmi_imx_bbm_proto_ops {
 	int (*rtc_time_set)(const struct scmi_protocol_handle *ph, u32 id,
-- 
2.47.0