lib/logic_iomem: fix sparse warnings

A couple of sparse warnings happened here due to casts on
the prints, a missing static and a missing include. Fix
all of them.

Reported-by: kernel test robot <[email protected]>
Fixes: ca2e334 ("lib: add iomem emulation (logic_iomem)")
Signed-off-by: Johannes Berg <[email protected]>
Acked-By: Anton Ivanov <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>

Author: jmberg-intel

lib/logic_iomem.c

@@ -6,6 +6,7 @@
 #include <linux/types.h>
 #include <linux/slab.h>
 #include <linux/logic_iomem.h>
+#include <asm/io.h>
 
 struct logic_iomem_region {
 	const struct resource *res;
@@ -78,7 +79,7 @@ static void __iomem *real_ioremap(phys_addr_t offset, size_t size)
 static void real_iounmap(void __iomem *addr)
 {
 	WARN(1, "invalid iounmap for addr 0x%llx\n",
-	     (unsigned long long)addr);
+	     (unsigned long long __force)addr);
 }
 #endif /* CONFIG_LOGIC_IOMEM_FALLBACK */
 
@@ -172,14 +173,15 @@ EXPORT_SYMBOL(iounmap);
 static u##sz real_raw_read ## op(const volatile void __iomem *addr)	\
 {									\
 	WARN(1, "Invalid read" #op " at address %llx\n",		\
-	     (unsigned long long)addr);					\
+	     (unsigned long long __force)addr);				\
 	return (u ## sz)~0ULL;						\
 }									\
 									\
-void real_raw_write ## op(u ## sz val, volatile void __iomem *addr)	\
+static void real_raw_write ## op(u ## sz val,				\
+				 volatile void __iomem *addr)		\
 {									\
 	WARN(1, "Invalid writeq" #op " of 0x%llx at address %llx\n",	\
-	     (unsigned long long)val, (unsigned long long)addr);	\
+	     (unsigned long long)val, (unsigned long long __force)addr);\
 }									\
 
 MAKE_FALLBACK(b, 8);
@@ -192,14 +194,14 @@ MAKE_FALLBACK(q, 64);
 static void real_memset_io(volatile void __iomem *addr, int value, size_t size)
 {
 	WARN(1, "Invalid memset_io at address 0x%llx\n",
-	     (unsigned long long)addr);
+	     (unsigned long long __force)addr);
 }
 
 static void real_memcpy_fromio(void *buffer, const volatile void __iomem *addr,
 			       size_t size)
 {
 	WARN(1, "Invalid memcpy_fromio at address 0x%llx\n",
-	     (unsigned long long)addr);
+	     (unsigned long long __force)addr);
 
 	memset(buffer, 0xff, size);
 }
@@ -208,7 +210,7 @@ static void real_memcpy_toio(volatile void __iomem *addr, const void *buffer,
 			     size_t size)
 {
 	WARN(1, "Invalid memcpy_toio at address 0x%llx\n",
-	     (unsigned long long)addr);
+	     (unsigned long long __force)addr);
 }
 #endif /* CONFIG_LOGIC_IOMEM_FALLBACK */