linux-kernel - [PATCH 5/5] arm: ioremap: Remove unused ARM-specific function pci_ioremap

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Message-Id: <20211124154116.916-6-pali@kernel.org>
Date:   Wed, 24 Nov 2021 16:41:16 +0100
From:   Pali Rohár <pali@...nel.org>
To:     Russell King <linux@...linux.org.uk>, Andrew Lunn <andrew@...n.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Dominik Brodowski <linux@...inikbrodowski.net>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Ludovic Desroches <ludovic.desroches@...rochip.com>,
        Marek Behún <kabel@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 5/5] arm: ioremap: Remove unused ARM-specific function pci_ioremap_io()

This function is not used by any driver anymore. So completely remove it.

Signed-off-by: Pali Rohár <pali@...nel.org>
---
 arch/arm/include/asm/io.h |  2 --
 arch/arm/mm/ioremap.c     | 11 -----------
 2 files changed, 13 deletions(-)

diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index 12eca75bdee9..0c70eb688a00 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -180,8 +180,6 @@ void pci_ioremap_set_mem_type(int mem_type);
 static inline void pci_ioremap_set_mem_type(int mem_type) {}
 #endif
 
-extern int pci_ioremap_io(unsigned int offset, phys_addr_t phys_addr);
-
 struct resource;
 
 #define pci_remap_iospace pci_remap_iospace
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index fa3bde48d6a7..197f8eb3a775 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -474,17 +474,6 @@ int pci_remap_iospace(const struct resource *res, phys_addr_t phys_addr)
 }
 EXPORT_SYMBOL(pci_remap_iospace);
 
-int pci_ioremap_io(unsigned int offset, phys_addr_t phys_addr)
-{
-	BUG_ON(offset + SZ_64K - 1 > IO_SPACE_LIMIT);
-
-	return ioremap_page_range(PCI_IO_VIRT_BASE + offset,
-				  PCI_IO_VIRT_BASE + offset + SZ_64K,
-				  phys_addr,
-				  __pgprot(get_mem_type(pci_ioremap_mem_type)->prot_pte));
-}
-EXPORT_SYMBOL_GPL(pci_ioremap_io);
-
 void __iomem *pci_remap_cfgspace(resource_size_t res_cookie, size_t size)
 {
 	return arch_ioremap_caller(res_cookie, size, MT_UNCACHED,
-- 
2.20.1