commit be584bd5a451ebe31ac9957098bb698cefbd40ca
author Philipp Zabel <philipp.zabel@gmail.com> Fri Jun 05 18:31:04 2009 +0200
committer Samuel Ortiz <sameol@linux.intel.com> Wed Jun 17 19:41:44 2009 +0200
tree 14fdba2f040755967bb8e95a7219b7f1eeb23ba0
parent 01906d6d780e84c51537f6b56da472959e846314

mfd: asic3: use resource_size macro instead of local variable

This should make the code a little bit easier to read.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

drivers/mfd/asic3.c

diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index ebe8893..d5dd0df 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -623,7 +623,6 @@
 	struct asic3 *asic;
 	struct resource *mem;
 	unsigned long clksel;
-	int map_size;
 	int ret = 0;
 
 	asic = kzalloc(sizeof(struct asic3), GFP_KERNEL);
@@ -643,8 +642,7 @@
 		goto out_free;
 	}
 
-	map_size = mem->end - mem->start + 1;
-	asic->mapping = ioremap(mem->start, map_size);
+	asic->mapping = ioremap(mem->start, resource_size(mem));
 	if (!asic->mapping) {
 		ret = -ENOMEM;
 		dev_err(asic->dev, "Couldn't ioremap\n");
@@ -654,7 +652,7 @@
 	asic->irq_base = pdata->irq_base;
 
 	/* calculate bus shift from mem resource */
-	asic->bus_shift = 2 - (map_size >> 12);
+	asic->bus_shift = 2 - (resource_size(mem) >> 12);
 
 	clksel = 0;
 	asic3_write_register(asic, ASIC3_OFFSET(CLOCK, SEL), clksel);