diff mbox series

[v1,04/10] powerpc/mm: move ioremap_prot() into ioremap.c

Message ID da225f763855771763723d7bb01ededb50fbb839.1565726867.git.christophe.leroy@c-s.fr (mailing list archive)
State Superseded
Headers show
Series [v1,01/10] powerpc/mm: drop ppc_md.iounmap() | expand

Checks

Context Check Description
snowpatch_ozlabs/apply_patch success Successfully applied on branch next (da206bd46848568e1aaf35f00e2d78bf9bc94f95)
snowpatch_ozlabs/checkpatch success total: 0 errors, 0 warnings, 0 checks, 81 lines checked

Commit Message

Christophe Leroy Aug. 13, 2019, 8:11 p.m. UTC 
Both ioremap_prot() are idenfical, move them into ioremap.c

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
 arch/powerpc/mm/ioremap.c    | 19 +++++++++++++++++++
 arch/powerpc/mm/pgtable_32.c | 17 -----------------
 arch/powerpc/mm/pgtable_64.c | 24 ------------------------
 3 files changed, 19 insertions(+), 41 deletions(-)
diff mbox series

Patch

diff --git a/arch/powerpc/mm/ioremap.c b/arch/powerpc/mm/ioremap.c
index 89479ee88344..a44d9e4c948a 100644
--- a/arch/powerpc/mm/ioremap.c
+++ b/arch/powerpc/mm/ioremap.c
@@ -50,3 +50,22 @@  void __iomem *ioremap_coherent(phys_addr_t addr, unsigned long size)
 		return iowa_ioremap(addr, size, prot, caller);
 	return __ioremap_caller(addr, size, prot, caller);
 }
+
+void __iomem *ioremap_prot(phys_addr_t addr, unsigned long size, unsigned long flags)
+{
+	pte_t pte = __pte(flags);
+	void *caller = __builtin_return_address(0);
+
+	/* writeable implies dirty for kernel addresses */
+	if (pte_write(pte))
+		pte = pte_mkdirty(pte);
+
+	/* we don't want to let _PAGE_USER and _PAGE_EXEC leak out */
+	pte = pte_exprotect(pte);
+	pte = pte_mkprivileged(pte);
+
+	if (iowa_is_active())
+		return iowa_ioremap(addr, size, pte_pgprot(pte), caller);
+	return __ioremap_caller(addr, size, pte_pgprot(pte), caller);
+}
+EXPORT_SYMBOL(ioremap_prot);
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 1999ec11706d..8126c2d1afbf 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -39,23 +39,6 @@  EXPORT_SYMBOL(ioremap_bot);	/* aka VMALLOC_END */
 extern char etext[], _stext[], _sinittext[], _einittext[];
 
 void __iomem *
-ioremap_prot(phys_addr_t addr, unsigned long size, unsigned long flags)
-{
-	pte_t pte = __pte(flags);
-
-	/* writeable implies dirty for kernel addresses */
-	if (pte_write(pte))
-		pte = pte_mkdirty(pte);
-
-	/* we don't want to let _PAGE_USER and _PAGE_EXEC leak out */
-	pte = pte_exprotect(pte);
-	pte = pte_mkprivileged(pte);
-
-	return __ioremap_caller(addr, size, pte_pgprot(pte), __builtin_return_address(0));
-}
-EXPORT_SYMBOL(ioremap_prot);
-
-void __iomem *
 __ioremap_caller(phys_addr_t addr, unsigned long size, pgprot_t prot, void *caller)
 {
 	unsigned long v, i;
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index 3ad921ac4862..6fa2e969bf0e 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -204,29 +204,6 @@  void __iomem * __ioremap_caller(phys_addr_t addr, unsigned long size,
 	return ret;
 }
 
-void __iomem * ioremap_prot(phys_addr_t addr, unsigned long size,
-			     unsigned long flags)
-{
-	pte_t pte = __pte(flags);
-	void *caller = __builtin_return_address(0);
-
-	/* writeable implies dirty for kernel addresses */
-	if (pte_write(pte))
-		pte = pte_mkdirty(pte);
-
-	/* we don't want to let _PAGE_EXEC leak out */
-	pte = pte_exprotect(pte);
-	/*
-	 * Force kernel mapping.
-	 */
-	pte = pte_mkprivileged(pte);
-
-	if (iowa_is_active())
-		return iowa_ioremap(addr, size, pte_pgprot(pte), caller);
-	return __ioremap_caller(addr, size, pte_pgprot(pte), caller);
-}
-
-
 /*  
  * Unmap an IO region and remove it from imalloc'd list.
  * Access to IO memory should be serialized by driver.
@@ -253,7 +230,6 @@  void iounmap(volatile void __iomem *token)
 	__iounmap(token);
 }
 
-EXPORT_SYMBOL(ioremap_prot);
 EXPORT_SYMBOL(__ioremap_at);
 EXPORT_SYMBOL(iounmap);
 EXPORT_SYMBOL(__iounmap);