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>

diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 119fd4e..76cc261 100644 (file)
--- 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;
                }