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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>
This commit is contained in:
Philipp Zabel 2009-06-05 18:31:04 +02:00 committed by Samuel Ortiz
parent 01906d6d78
commit be584bd5a4
1 changed files with 2 additions and 4 deletions
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6
drivers/mfd/asic3.c
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@ -623,7 +623,6 @@ static int __init asic3_probe(struct platform_device *pdev)
struct asic3 *asic; struct asic3 *asic;
struct resource *mem; struct resource *mem;
unsigned long clksel; unsigned long clksel;
int map_size;
int ret = 0; int ret = 0;
asic = kzalloc(sizeof(struct asic3), GFP_KERNEL); asic = kzalloc(sizeof(struct asic3), GFP_KERNEL);
@ -643,8 +642,7 @@ static int __init asic3_probe(struct platform_device *pdev)
goto out_free; goto out_free;
} }
map_size = mem->end - mem->start + 1; asic->mapping = ioremap(mem->start, resource_size(mem));
asic->mapping = ioremap(mem->start, map_size);
if (!asic->mapping) { if (!asic->mapping) {
ret = -ENOMEM; ret = -ENOMEM;
dev_err(asic->dev, "Couldn't ioremap\n"); 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; asic->irq_base = pdata->irq_base;
/* calculate bus shift from mem resource */ /* calculate bus shift from mem resource */
asic->bus_shift = 2 - (map_size >> 12); asic->bus_shift = 2 - (resource_size(mem) >> 12);
clksel = 0; clksel = 0;
asic3_write_register(asic, ASIC3_OFFSET(CLOCK, SEL), clksel); asic3_write_register(asic, ASIC3_OFFSET(CLOCK, SEL), clksel);