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authorPhilipp Zabel <philipp.zabel@gmail.com>2009-06-05 18:31:04 +0200
committerSamuel Ortiz <sameol@linux.intel.com>2009-06-17 19:41:44 +0200
commitbe584bd5a451ebe31ac9957098bb698cefbd40ca (patch)
tree14fdba2f040755967bb8e95a7219b7f1eeb23ba0 /drivers/mfd/asic3.c
parent01906d6d780e84c51537f6b56da472959e846314 (diff)
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>
Diffstat (limited to 'drivers/mfd/asic3.c')
-rw-r--r--drivers/mfd/asic3.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index ebe889392b6..d5dd0dfae87 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -623,7 +623,6 @@ static int __init asic3_probe(struct platform_device *pdev)
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 @@ static int __init asic3_probe(struct platform_device *pdev)
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 @@ static int __init asic3_probe(struct platform_device *pdev)
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);