linux-kernel - [PATCH] kfifo: don't include dma-mapping.h in kfifo.h

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Message-ID: <20241014144643.51917-1-hch@lst.de>
Date: Mon, 14 Oct 2024 16:46:43 +0200
From: Christoph Hellwig <hch@....de>
To: stefani@...bold.net
Cc: jassisinghbrar@...il.com,
	jirislaby@...nel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] kfifo: don't include dma-mapping.h in kfifo.h

Nothing in kfifo.h needs dma-mapping.h.  Drop the include to
reduce include bloat.

Fixes: d52b761e4b1a ("kfifo: add kfifo_dma_out_prepare_mapped()")
Signed-off-by: Christoph Hellwig <hch@....de>
---
 drivers/mailbox/omap-mailbox.c | 1 +
 include/linux/kfifo.h          | 1 -
 samples/kfifo/dma-example.c    | 1 +
 3 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mailbox/omap-mailbox.c b/drivers/mailbox/omap-mailbox.c
index 6797770474a55d..680243751d625f 100644
--- a/drivers/mailbox/omap-mailbox.c
+++ b/drivers/mailbox/omap-mailbox.c
@@ -15,6 +15,7 @@
 #include <linux/slab.h>
 #include <linux/kfifo.h>
 #include <linux/err.h>
+#include <linux/io.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index 564868bdce898b..fd743d4c4b4bdc 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -37,7 +37,6 @@
  */
 
 #include <linux/array_size.h>
-#include <linux/dma-mapping.h>
 #include <linux/spinlock.h>
 #include <linux/stddef.h>
 #include <linux/types.h>
diff --git a/samples/kfifo/dma-example.c b/samples/kfifo/dma-example.c
index 48df719dac8c6d..8076ac410161a3 100644
--- a/samples/kfifo/dma-example.c
+++ b/samples/kfifo/dma-example.c
@@ -9,6 +9,7 @@
 #include <linux/kfifo.h>
 #include <linux/module.h>
 #include <linux/scatterlist.h>
+#include <linux/dma-mapping.h>
 
 /*
  * This module shows how to handle fifo dma operations.
-- 
2.45.2