linux-kernel - [PATCH v6 3/6] cdx: Export Symbols for MCDI RPC and Initialization

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Message-ID: <20250424132118.17074-4-shubhrajyoti.datta@amd.com>
Date: Thu, 24 Apr 2025 18:51:15 +0530
From: Shubhrajyoti Datta <shubhrajyoti.datta@....com>
To: <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-edac@...r.kernel.org>
CC: <git@....com>, <ptsm@...ux.microsoft.com>, <srivatsa@...il.mit.edu>,
	<shubhrajyoti.datta@...il.com>, Krzysztof Kozlowski <krzk@...nel.org>, "Rob
 Herring" <robh@...nel.org>, Conor Dooley <conor+dt@...nel.org>, "Borislav
 Petkov" <bp@...en8.de>, Tony Luck <tony.luck@...el.com>, James Morse
	<james.morse@....com>, Mauro Carvalho Chehab <mchehab@...nel.org>, "Robert
 Richter" <rric@...nel.org>, Shubhrajyoti Datta <shubhrajyoti.datta@....com>
Subject: [PATCH v6 3/6] cdx: Export Symbols for MCDI RPC and Initialization

The cdx_mcdi_init, cdx_mcdi_process_cmd, and cdx_mcdi_rpc functions are
needed by VersalNET EDAC modules that interact with the MCDI (Management
Controller Direct Interface) framework. These functions facilitate
communication between different hardware components by enabling command
execution and status management.

Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@....com>
---

Changes in v6:
- Update commit description

Changes in v2:
- Export the symbols for module compilation

 drivers/cdx/controller/mcdi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/cdx/controller/mcdi.c b/drivers/cdx/controller/mcdi.c
index 600084e81a86..632d3e7666ba 100644
--- a/drivers/cdx/controller/mcdi.c
+++ b/drivers/cdx/controller/mcdi.c
@@ -126,6 +126,7 @@ int cdx_mcdi_init(struct cdx_mcdi *cdx)
 fail:
 	return rc;
 }
+EXPORT_SYMBOL_GPL(cdx_mcdi_init);
 
 void cdx_mcdi_finish(struct cdx_mcdi *cdx)
 {
@@ -588,6 +589,7 @@ void cdx_mcdi_process_cmd(struct cdx_mcdi *cdx, struct cdx_dword *outbuf, int le
 
 	cdx_mcdi_process_cleanup_list(mcdi->cdx, &cleanup_list);
 }
+EXPORT_SYMBOL_GPL(cdx_mcdi_process_cmd);
 
 static void cdx_mcdi_cmd_work(struct work_struct *context)
 {
@@ -755,6 +757,7 @@ int cdx_mcdi_rpc(struct cdx_mcdi *cdx, unsigned int cmd,
 	return cdx_mcdi_rpc_sync(cdx, cmd, inbuf, inlen, outbuf, outlen,
 				 outlen_actual, false);
 }
+EXPORT_SYMBOL_GPL(cdx_mcdi_rpc);
 
 /**
  * cdx_mcdi_rpc_async - Schedule an MCDI command to run asynchronously
-- 
2.17.1