linux-kernel - [PATCH 3/3] staging: vchiq_core: Drop vchiq

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Message-ID: <20240919142130.1331495-4-umang.jain@ideasonboard.com>
Date: Thu, 19 Sep 2024 19:51:30 +0530
From: Umang Jain <umang.jain@...asonboard.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>
Cc: linux-rpi-kernel@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-staging@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Kieran Bingham <kieran.bingham@...asonboard.com>,
	Stefan Wahren <wahrenst@....net>,
	Umang Jain <umang.jain@...asonboard.com>
Subject: [PATCH 3/3] staging: vchiq_core: Drop vchiq_pagelist.h

vchiq_pagelist.h only defines one struct and a couple of macros.
It can be merged with vchiq_core since all the pagelist related
function helpers are now in vchiq_core for bulk transfers.

Move the struct and related macros to vchiq_core header and drop
vchiq_pagelist.h.

Signed-off-by: Umang Jain <umang.jain@...asonboard.com>
---
 .../interface/vchiq_arm/vchiq_core.c          |  4 ++++
 .../interface/vchiq_arm/vchiq_core.h          | 11 +++++++++-
 .../interface/vchiq_arm/vchiq_pagelist.h      | 21 -------------------
 3 files changed, 14 insertions(+), 22 deletions(-)
 delete mode 100644 drivers/staging/vc04_services/interface/vchiq_arm/vchiq_pagelist.h

diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
index 586c41cd1ed5..1281f3bc5548 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c
@@ -63,6 +63,10 @@
 #define MAKE_REMOTE_USE			(VCHIQ_MSG_REMOTE_USE << TYPE_SHIFT)
 #define MAKE_REMOTE_USE_ACTIVE		(VCHIQ_MSG_REMOTE_USE_ACTIVE << TYPE_SHIFT)
 
+#define PAGELIST_WRITE			0
+#define PAGELIST_READ			1
+#define PAGELIST_READ_WITH_FRAGMENTS	2
+
 #define BELL2	0x08
 
 /* Ensure the fields are wide enough */
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h
index 6662dd21e827..400472f1aa06 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h
@@ -17,7 +17,6 @@
 
 #include "../../include/linux/raspberrypi/vchiq.h"
 #include "vchiq_cfg.h"
-#include "vchiq_pagelist.h"
 
 /* Do this so that we can test-build the code on non-rpi systems */
 #if IS_ENABLED(CONFIG_RASPBERRYPI_FIRMWARE)
@@ -411,6 +410,16 @@ struct vchiq_state {
 	struct opaque_platform_state *platform_state;
 };
 
+struct pagelist {
+	u32 length;
+	u16 type;
+	u16 offset;
+	u32 addrs[1];	/* N.B. 12 LSBs hold the number
+			 * of following pages at consecutive
+			 * addresses.
+			 */
+};
+
 struct vchiq_pagelist_info {
 	struct pagelist *pagelist;
 	size_t pagelist_buffer_size;
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_pagelist.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_pagelist.h
deleted file mode 100644
index ebd12bfabb63..000000000000
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_pagelist.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
-/* Copyright (c) 2010-2012 Broadcom. All rights reserved. */
-
-#ifndef VCHIQ_PAGELIST_H
-#define VCHIQ_PAGELIST_H
-
-#define PAGELIST_WRITE 0
-#define PAGELIST_READ 1
-#define PAGELIST_READ_WITH_FRAGMENTS 2
-
-struct pagelist {
-	u32 length;
-	u16 type;
-	u16 offset;
-	u32 addrs[1];	/* N.B. 12 LSBs hold the number
-			 * of following pages at consecutive
-			 * addresses.
-			 */
-};
-
-#endif /* VCHIQ_PAGELIST_H */
-- 
2.45.2