niu: Use resource_size instead of private function

The function res_size in drivers/net/niu.c is a copy of resource_size in
linux/ioport.h. Remove the function and use resource_size instead.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 14 deletions

diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 119fd4e04141..76cc2614f480 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -10145,11 +10145,6 @@ static const struct niu_ops niu_phys_ops = {
         .unmap_single   = niu_phys_unmap_single,
 };
 
-static unsigned long res_size(struct resource *r)
-{
-        return r->end - r->start + 1UL;
-}
-
 static int __devinit niu_of_probe(struct of_device *op,
                                   const struct of_device_id *match)
 {
@@ -10189,7 +10184,7 @@ static int __devinit niu_of_probe(struct of_device *op,
         dev->features |= (NETIF_F_SG | NETIF_F_HW_CSUM);
 
         np->regs = of_ioremap(&op->resource[1], 0,
-                              res_size(&op->resource[1]),
+                              resource_size(&op->resource[1]),
                               "niu regs");
         if (!np->regs) {
                 dev_err(&op->dev, PFX "Cannot map device registers, "
@@ -10199,7 +10194,7 @@ static int __devinit niu_of_probe(struct of_device *op,
         }
 
         np->vir_regs_1 = of_ioremap(&op->resource[2], 0,
-                                    res_size(&op->resource[2]),
+                                    resource_size(&op->resource[2]),
                                     "niu vregs-1");
         if (!np->vir_regs_1) {
                 dev_err(&op->dev, PFX "Cannot map device vir registers 1, "
@@ -10209,7 +10204,7 @@ static int __devinit niu_of_probe(struct of_device *op,
         }
 
         np->vir_regs_2 = of_ioremap(&op->resource[3], 0,
-                                    res_size(&op->resource[3]),
+                                    resource_size(&op->resource[3]),
                                     "niu vregs-2");
         if (!np->vir_regs_2) {
                 dev_err(&op->dev, PFX "Cannot map device vir registers 2, "
@@ -10244,19 +10239,19 @@ static int __devinit niu_of_probe(struct of_device *op,
 err_out_iounmap:
         if (np->vir_regs_1) {
                 of_iounmap(&op->resource[2], np->vir_regs_1,
-                           res_size(&op->resource[2]));
+                           resource_size(&op->resource[2]));
                 np->vir_regs_1 = NULL;
         }
 
         if (np->vir_regs_2) {
                 of_iounmap(&op->resource[3], np->vir_regs_2,
-                           res_size(&op->resource[3]));
+                           resource_size(&op->resource[3]));
                 np->vir_regs_2 = NULL;
         }
 
         if (np->regs) {
                 of_iounmap(&op->resource[1], np->regs,
-                           res_size(&op->resource[1]));
+                           resource_size(&op->resource[1]));
                 np->regs = NULL;
         }
 
@@ -10281,19 +10276,19 @@ static int __devexit niu_of_remove(struct of_device *op)
 
                 if (np->vir_regs_1) {
                         of_iounmap(&op->resource[2], np->vir_regs_1,
-                                   res_size(&op->resource[2]));
+                                   resource_size(&op->resource[2]));
                         np->vir_regs_1 = NULL;
                 }
 
                 if (np->vir_regs_2) {
                         of_iounmap(&op->resource[3], np->vir_regs_2,
-                                   res_size(&op->resource[3]));
+                                   resource_size(&op->resource[3]));
                         np->vir_regs_2 = NULL;
                 }
 
                 if (np->regs) {
                         of_iounmap(&op->resource[1], np->regs,
-                                   res_size(&op->resource[1]));
+                                   resource_size(&op->resource[1]));
                         np->regs = NULL;
                 }