linux-kernel - [PATCH 1/2] rapidio: remove some dead defines

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Message-ID: <20250419203012.429787-2-linux@treblig.org>
Date: Sat, 19 Apr 2025 21:30:11 +0100
From: linux@...blig.org
To: akpm@...ux-foundation.org,
	mporter@...nel.crashing.org,
	alex.bou9@...il.com
Cc: linux-kernel@...r.kernel.org,
	"Dr. David Alan Gilbert" <linux@...blig.org>
Subject: [PATCH 1/2] rapidio: remove some dead defines

From: "Dr. David Alan Gilbert" <linux@...blig.org>

'mport_dma_buf', 'rio_mport_dma_map' and 'MPORT_MAX_DMA_BUFS' were
added in the original
commit e8de370188d0 ("rapidio: add mport char device driver")
but never used.

'rio_cm_work' was unused since the original
commit b6e8d4aa1110 ("rapidio: add RapidIO channelized messaging
driver")
but never used.

Remove them.

Signed-off-by: Dr. David Alan Gilbert <linux@...blig.org>
---
 drivers/rapidio/devices/rio_mport_cdev.c | 20 --------------------
 drivers/rapidio/rio_cm.c                 |  6 ------
 2 files changed, 26 deletions(-)

diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c
index cbf531d0ba68..995cfeca972b 100644
--- a/drivers/rapidio/devices/rio_mport_cdev.c
+++ b/drivers/rapidio/devices/rio_mport_cdev.c
@@ -97,18 +97,6 @@ module_param(dbg_level, uint, S_IWUSR | S_IWGRP | S_IRUGO);
 MODULE_PARM_DESC(dbg_level, "Debugging output level (default 0 = none)");
 #endif
 
-/*
- * An internal DMA coherent buffer
- */
-struct mport_dma_buf {
-	void		*ib_base;
-	dma_addr_t	ib_phys;
-	u32		ib_size;
-	u64		ib_rio_base;
-	bool		ib_map;
-	struct file	*filp;
-};
-
 /*
  * Internal memory mapping structure
  */
@@ -131,14 +119,6 @@ struct rio_mport_mapping {
 	struct file *filp;
 };
 
-struct rio_mport_dma_map {
-	int valid;
-	u64 length;
-	void *vaddr;
-	dma_addr_t paddr;
-};
-
-#define MPORT_MAX_DMA_BUFS	16
 #define MPORT_EVENT_DEPTH	10
 
 /*
diff --git a/drivers/rapidio/rio_cm.c b/drivers/rapidio/rio_cm.c
index 9135227301c8..97287e838ce1 100644
--- a/drivers/rapidio/rio_cm.c
+++ b/drivers/rapidio/rio_cm.c
@@ -198,12 +198,6 @@ struct cm_peer {
 	struct rio_dev *rdev;
 };
 
-struct rio_cm_work {
-	struct work_struct work;
-	struct cm_dev *cm;
-	void *data;
-};
-
 struct conn_req {
 	struct list_head node;
 	u32 destid;	/* requester destID */
-- 
2.49.0