fixup "arm64: mm: Force Device mappings for PCIe MMIO" for other architectures

6by9 · 6by9 · commit c5322426b1d9 · 2026-04-15T11:24:55.000+01:00
Avoid the warning "no previous prototype for 'range_is_pci' when
building for ARM or other architectures.

Signed-off-by: Dave Stevenson &lt;dave.stevenson@raspberrypi.com&gt;
diff --git a/kernel/resource.c b/kernel/resource.c
@@ -567,6 +567,7 @@ int __weak page_is_ram(unsigned long pfn)
 }
 EXPORT_SYMBOL_GPL(page_is_ram);
 
+#ifdef CONFIG_ARM64
 static int pci_res_check(struct resource *res, void *arg)
 {
 	if (!res->name)
@@ -598,6 +599,7 @@ bool range_is_pci(phys_addr_t phys_addr, size_t size)
 	return false;
 }
 EXPORT_SYMBOL_GPL(range_is_pci);
+#endif
 
 static int __region_intersects(struct resource *parent, resource_size_t start,
 			       size_t size, unsigned long flags,

Original file line number	Diff line number	Diff line change
`@@ -567,6 +567,7 @@ int __weak page_is_ram(unsigned long pfn)`
`567`	`567`	`}`
`568`	`568`	`EXPORT_SYMBOL_GPL(page_is_ram);`
`569`	`569`
	`570`	`+#ifdef CONFIG_ARM64`
`570`	`571`	`static int pci_res_check(struct resource res, void arg)`
`571`	`572`	`{`
`572`	`573`	`if (!res->name)`
`@@ -598,6 +599,7 @@ bool range_is_pci(phys_addr_t phys_addr, size_t size)`
`598`	`599`	`return false;`
`599`	`600`	`}`
`600`	`601`	`EXPORT_SYMBOL_GPL(range_is_pci);`
	`602`	`+#endif`
`601`	`603`
`602`	`604`	`static int __region_intersects(struct resource *parent, resource_size_t start,`
`603`	`605`	`size_t size, unsigned long flags,`