linux-kernel - [PATCH] devres: remove devm_ioremap

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Date:   Mon, 22 Aug 2022 08:14:24 +0200
From:   Christoph Hellwig <hch@....de>
To:     akpm@...ux-foundation.org, gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] devres: remove devm_ioremap_np

devm_ioremap_np has never been used anywhere since it was added in early
2021, so remove it.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 Documentation/driver-api/driver-model/devres.rst |  1 -
 include/linux/io.h                               |  2 --
 lib/devres.c                                     | 15 ---------------
 3 files changed, 18 deletions(-)

diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst
index 55272942e721a..2af6c9c09e596 100644
--- a/Documentation/driver-api/driver-model/devres.rst
+++ b/Documentation/driver-api/driver-model/devres.rst
@@ -310,7 +310,6 @@ IOMAP
   devm_ioremap()
   devm_ioremap_uc()
   devm_ioremap_wc()
-  devm_ioremap_np()
   devm_ioremap_resource() : checks resource, requests memory region, ioremaps
   devm_ioremap_resource_wc()
   devm_platform_ioremap_resource() : calls devm_ioremap_resource() for platform device
diff --git a/include/linux/io.h b/include/linux/io.h
index 5fc800390fe42..308f4f0cfb932 100644
--- a/include/linux/io.h
+++ b/include/linux/io.h
@@ -59,8 +59,6 @@ void __iomem *devm_ioremap_uc(struct device *dev, resource_size_t offset,
 				   resource_size_t size);
 void __iomem *devm_ioremap_wc(struct device *dev, resource_size_t offset,
 				   resource_size_t size);
-void __iomem *devm_ioremap_np(struct device *dev, resource_size_t offset,
-				   resource_size_t size);
 void devm_iounmap(struct device *dev, void __iomem *addr);
 int check_signature(const volatile void __iomem *io_addr,
 			const unsigned char *signature, int length);
diff --git a/lib/devres.c b/lib/devres.c
index 55eb07e80cbb3..6baf43902eadb 100644
--- a/lib/devres.c
+++ b/lib/devres.c
@@ -103,21 +103,6 @@ void __iomem *devm_ioremap_wc(struct device *dev, resource_size_t offset,
 }
 EXPORT_SYMBOL(devm_ioremap_wc);
 
-/**
- * devm_ioremap_np - Managed ioremap_np()
- * @dev: Generic device to remap IO address for
- * @offset: Resource address to map
- * @size: Size of map
- *
- * Managed ioremap_np().  Map is automatically unmapped on driver detach.
- */
-void __iomem *devm_ioremap_np(struct device *dev, resource_size_t offset,
-			      resource_size_t size)
-{
-	return __devm_ioremap(dev, offset, size, DEVM_IOREMAP_NP);
-}
-EXPORT_SYMBOL(devm_ioremap_np);
-
 /**
  * devm_iounmap - Managed iounmap()
  * @dev: Generic device to unmap for
-- 
2.30.2