linux-kernel - [PATCH] firmware: arm_ffa: Declare ffa_bus

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Date:   Tue, 24 Oct 2023 11:57:15 +0100
From:   Sudeep Holla <sudeep.holla@....com>
To:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Sudeep Holla <sudeep.holla@....com>
Subject: [PATCH] firmware: arm_ffa: Declare ffa_bus_type structure in the header

smatch reports:
drivers/firmware/arm_ffa/bus.c:108:17: warning:
	symbol 'ffa_bus_type' was not declared. Should it be static?

ffa_bus_type is exported to be useful in the FF-A driver. So this
warning is not correct. However, declaring the ffa_bus_type structure
in the header like many other bus_types do already removes this warning.
So let us just do the same and get rid of the warning.

Signed-off-by: Sudeep Holla <sudeep.holla@....com>
---
 include/linux/arm_ffa.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h
index 1abedb5b2e48..3d0fde57ba90 100644
--- a/include/linux/arm_ffa.h
+++ b/include/linux/arm_ffa.h
@@ -209,6 +209,8 @@ bool ffa_device_is_valid(struct ffa_device *ffa_dev) { return false; }
 #define module_ffa_driver(__ffa_driver)	\
 	module_driver(__ffa_driver, ffa_register, ffa_unregister)
 
+extern struct bus_type ffa_bus_type;
+
 /* FFA transport related */
 struct ffa_partition_info {
 	u16 id;
-- 
2.42.0