linux-kernel - [PATCH v7] bus: firewall: move stm32_firewall header file in include folder

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Message-Id: <20250916-b4-firewall-upstream-v7-1-6038cf1e61d8@gmail.com>
Date: Tue, 16 Sep 2025 11:07:10 +0200
From: Clément Le Goffic <legoffic.clement@...il.com>
To: Gatien Chevallier <gatien.chevallier@...s.st.com>, 
 Maxime Coquelin <mcoquelin.stm32@...il.com>, 
 Alexandre Torgue <alexandre.torgue@...s.st.com>
Cc: linux-stm32@...md-mailman.stormreply.com, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Clément Le Goffic <clement.legoffic@...s.st.com>, 
 Clément Le Goffic <legoffic.clement@...il.com>
Subject: [PATCH v7] bus: firewall: move stm32_firewall header file in
 include folder

From: Clément Le Goffic <clement.legoffic@...s.st.com>

Other driver than rifsc and etzpc can implement firewall ops, such as
rcc.
In order for them to have access to the ops and type of this framework,
we need to get the `stm32_firewall.h` file in the include/ folder.

Signed-off-by: Clément Le Goffic <clement.legoffic@...s.st.com>
Signed-off-by: Clément Le Goffic <legoffic.clement@...il.com>
---
This v7 is a subset of the v6 and other prior versions, splited to simplify
the review and merging process.

Changes in v7:
- None
- Link to v6: https://lore.kernel.org/all/20250909-b4-ddrperfm-upstream-v6-1-ce082cc801b5@gmail.com/
---
 drivers/bus/stm32_etzpc.c                       | 3 +--
 drivers/bus/stm32_firewall.c                    | 3 +--
 drivers/bus/stm32_rifsc.c                       | 3 +--
 {drivers => include/linux}/bus/stm32_firewall.h | 0
 4 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/bus/stm32_etzpc.c b/drivers/bus/stm32_etzpc.c
index 7fc0f16960be..4918a14e507e 100644
--- a/drivers/bus/stm32_etzpc.c
+++ b/drivers/bus/stm32_etzpc.c
@@ -5,6 +5,7 @@
 
 #include <linux/bitfield.h>
 #include <linux/bits.h>
+#include <linux/bus/stm32_firewall.h>
 #include <linux/device.h>
 #include <linux/err.h>
 #include <linux/init.h>
@@ -16,8 +17,6 @@
 #include <linux/platform_device.h>
 #include <linux/types.h>
 
-#include "stm32_firewall.h"
-
 /*
  * ETZPC registers
  */
diff --git a/drivers/bus/stm32_firewall.c b/drivers/bus/stm32_firewall.c
index 2fc9761dadec..ef4988054b44 100644
--- a/drivers/bus/stm32_firewall.c
+++ b/drivers/bus/stm32_firewall.c
@@ -5,6 +5,7 @@
 
 #include <linux/bitfield.h>
 #include <linux/bits.h>
+#include <linux/bus/stm32_firewall.h>
 #include <linux/bus/stm32_firewall_device.h>
 #include <linux/device.h>
 #include <linux/err.h>
@@ -18,8 +19,6 @@
 #include <linux/types.h>
 #include <linux/slab.h>
 
-#include "stm32_firewall.h"
-
 /* Corresponds to STM32_FIREWALL_MAX_EXTRA_ARGS + firewall ID */
 #define STM32_FIREWALL_MAX_ARGS		(STM32_FIREWALL_MAX_EXTRA_ARGS + 1)
 
diff --git a/drivers/bus/stm32_rifsc.c b/drivers/bus/stm32_rifsc.c
index 4cf1b60014b7..643ddd0a5f54 100644
--- a/drivers/bus/stm32_rifsc.c
+++ b/drivers/bus/stm32_rifsc.c
@@ -5,6 +5,7 @@
 
 #include <linux/bitfield.h>
 #include <linux/bits.h>
+#include <linux/bus/stm32_firewall.h>
 #include <linux/device.h>
 #include <linux/err.h>
 #include <linux/init.h>
@@ -16,8 +17,6 @@
 #include <linux/platform_device.h>
 #include <linux/types.h>
 
-#include "stm32_firewall.h"
-
 /*
  * RIFSC offset register
  */
diff --git a/drivers/bus/stm32_firewall.h b/include/linux/bus/stm32_firewall.h
similarity index 100%
rename from drivers/bus/stm32_firewall.h
rename to include/linux/bus/stm32_firewall.h

---
base-commit: 46a51f4f5edade43ba66b3c151f0e25ec8b69cb6
change-id: 20250916-b4-firewall-upstream-dfe8588a21f8

Best regards,
--  
Clément Le Goffic <legoffic.clement@...il.com>