linux-kernel - [PATCH 2/5] bus: fsl-mc: export mc_cmd_hdr_read

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Date:   Thu, 14 Jan 2021 19:07:49 +0200
From:   Ioana Ciornei <ciorneiioana@...il.com>
To:     gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org
Cc:     laurentiu.tudor@....com, Ioana Ciornei <ioana.ciornei@....com>
Subject: [PATCH 2/5] bus: fsl-mc: export mc_cmd_hdr_read_cmdid() to the fsl-mc bus

From: Ioana Ciornei <ioana.ciornei@....com>

Export the mc_cmd_hdr_read_cmdid() function to the entire fsl-mc bus
since it will be needed in the following patch.

Signed-off-by: Ioana Ciornei <ioana.ciornei@....com>
---
 drivers/bus/fsl-mc/fsl-mc-private.h | 2 ++
 drivers/bus/fsl-mc/mc-sys.c         | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/bus/fsl-mc/fsl-mc-private.h b/drivers/bus/fsl-mc/fsl-mc-private.h
index c932387641fa..be686c363121 100644
--- a/drivers/bus/fsl-mc/fsl-mc-private.h
+++ b/drivers/bus/fsl-mc/fsl-mc-private.h
@@ -612,4 +612,6 @@ void fsl_mc_get_root_dprc(struct device *dev,
 struct fsl_mc_device *fsl_mc_device_lookup(struct fsl_mc_obj_desc *obj_desc,
 					   struct fsl_mc_device *mc_bus_dev);
 
+u16 mc_cmd_hdr_read_cmdid(struct fsl_mc_command *cmd);
+
 #endif /* _FSL_MC_PRIVATE_H_ */
diff --git a/drivers/bus/fsl-mc/mc-sys.c b/drivers/bus/fsl-mc/mc-sys.c
index 85a0225db522..b291b35e3884 100644
--- a/drivers/bus/fsl-mc/mc-sys.c
+++ b/drivers/bus/fsl-mc/mc-sys.c
@@ -35,7 +35,7 @@ static enum mc_cmd_status mc_cmd_hdr_read_status(struct fsl_mc_command *cmd)
 	return (enum mc_cmd_status)hdr->status;
 }
 
-static u16 mc_cmd_hdr_read_cmdid(struct fsl_mc_command *cmd)
+u16 mc_cmd_hdr_read_cmdid(struct fsl_mc_command *cmd)
 {
 	struct mc_cmd_header *hdr = (struct mc_cmd_header *)&cmd->header;
 	u16 cmd_id = le16_to_cpu(hdr->cmd_id);
-- 
2.29.2