iomap: fix 64 bits resources on 32 bits

Almost all implementations of pci_iomap() in the kernel, including the generic
lib/iomap.c one, copies the content of a struct resource into unsigned long's
which will break on 32 bits platforms with 64 bits resources.

This fixes all definitions of pci_iomap() to use resource_size_t. I also
"fixed" the 64bits arch for consistency.

Signed-off-by: Benjamin Herrenschmidt <[e-mail]>
Cc: <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

arch/alpha/kernel/pci.c

···
 
 void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
 {
-	unsigned long start = pci_resource_start(dev, bar);
-	unsigned long len = pci_resource_len(dev, bar);
+	resource_size_t start = pci_resource_start(dev, bar);
+	resource_size_t len = pci_resource_len(dev, bar);
 	unsigned long flags = pci_resource_flags(dev, bar);
 
 	if (!len || !start)

arch/arm/mm/iomap.c

···
 #ifdef CONFIG_PCI
 void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
 {
-	unsigned long start = pci_resource_start(dev, bar);
-	unsigned long len   = pci_resource_len(dev, bar);
+	resource_size_t start = pci_resource_start(dev, bar);
+	resource_size_t len   = pci_resource_len(dev, bar);
 	unsigned long flags = pci_resource_flags(dev, bar);
 
 	if (!len || !start)

arch/frv/mb93090-mb00/pci-iomap.c

···
 
 void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
 {
-	unsigned long start = pci_resource_start(dev, bar);
-	unsigned long len = pci_resource_len(dev, bar);
+	resource_size_t start = pci_resource_start(dev, bar);
+	resource_size_t len = pci_resource_len(dev, bar);
 	unsigned long flags = pci_resource_flags(dev, bar);
 
 	if (!len || !start)

arch/mips/lib/iomap-pci.c

···
  */
 void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
 {
-	unsigned long start = pci_resource_start(dev, bar);
-	unsigned long len = pci_resource_len(dev, bar);
+	resource_size_t start = pci_resource_start(dev, bar);
+	resource_size_t len = pci_resource_len(dev, bar);
 	unsigned long flags = pci_resource_flags(dev, bar);
 
 	if (!len || !start)

arch/mn10300/unit-asb2305/pci-iomap.c

···
  */
 void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
 {
-	unsigned long start = pci_resource_start(dev, bar);
-	unsigned long len = pci_resource_len(dev, bar);
+	resource_size_t start = pci_resource_start(dev, bar);
+	resource_size_t len = pci_resource_len(dev, bar);
 	unsigned long flags = pci_resource_flags(dev, bar);
 
 	if (!len || !start)

arch/parisc/lib/iomap.c

···
 /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
 void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
 {
-	unsigned long start = pci_resource_start(dev, bar);
-	unsigned long len = pci_resource_len(dev, bar);
+	resource_size_t start = pci_resource_start(dev, bar);
+	resource_size_t len = pci_resource_len(dev, bar);
 	unsigned long flags = pci_resource_flags(dev, bar);
 
 	if (!len || !start)

arch/ppc/kernel/pci.c

···
 
 void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)
 {
-	unsigned long start = pci_resource_start(dev, bar);
-	unsigned long len = pci_resource_len(dev, bar);
+	resource_size_t start = pci_resource_start(dev, bar);
+	resource_size_t len = pci_resource_len(dev, bar);
 	unsigned long flags = pci_resource_flags(dev, bar);
 
 	if (!len)

arch/sh/drivers/pci/pci.c

···
 
 void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
 {
-	unsigned long start = pci_resource_start(dev, bar);
-	unsigned long len = pci_resource_len(dev, bar);
+	resource_size_t start = pci_resource_start(dev, bar);
+	resource_size_t len = pci_resource_len(dev, bar);
 	unsigned long flags = pci_resource_flags(dev, bar);
 
 	if (unlikely(!len || !start))

arch/sparc/lib/iomap.c

···
 /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
 void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
 {
-	unsigned long start = pci_resource_start(dev, bar);
-	unsigned long len = pci_resource_len(dev, bar);
+	resource_size_t start = pci_resource_start(dev, bar);
+	resource_size_t len = pci_resource_len(dev, bar);
 	unsigned long flags = pci_resource_flags(dev, bar);
 
 	if (!len || !start)

arch/sparc64/lib/iomap.c

···
 /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
 void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
 {
-	unsigned long start = pci_resource_start(dev, bar);
-	unsigned long len = pci_resource_len(dev, bar);
+	resource_size_t start = pci_resource_start(dev, bar);
+	resource_size_t len = pci_resource_len(dev, bar);
 	unsigned long flags = pci_resource_flags(dev, bar);
 
 	if (!len || !start)

arch/v850/kernel/rte_mb_a_pci.c

···
 
 void __iomem *pci_iomap (struct pci_dev *dev, int bar, unsigned long max)
 {
-	unsigned long start = pci_resource_start (dev, bar);
-	unsigned long len = pci_resource_len (dev, bar);
+	resource_size_t start = pci_resource_start (dev, bar);
+	resource_size_t len = pci_resource_len (dev, bar);
 
 	if (!start || len == 0)
 		return 0;

lib/iomap.c

···
 void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
 {
 	resource_size_t start = pci_resource_start(dev, bar);
-	unsigned long len = pci_resource_len(dev, bar);
+	resource_size_t len = pci_resource_len(dev, bar);
 	unsigned long flags = pci_resource_flags(dev, bar);
 
 	if (!len || !start)