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path: root/drivers/mfd/sm501.c
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Diffstat (limited to 'drivers/mfd/sm501.c')
-rw-r--r--drivers/mfd/sm501.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 10491e4e305d..ff0718efb0ae 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -1430,7 +1430,7 @@ static int __devinit sm501_plat_probe(struct platform_device *dev)
}
sm->regs_claim = request_mem_region(sm->io_res->start,
- 0x100, "sm501");
+ resource_size(sm->io_res), "sm501");
if (sm->regs_claim == NULL) {
dev_err(&dev->dev, "cannot claim registers\n");
@@ -1440,8 +1440,7 @@ static int __devinit sm501_plat_probe(struct platform_device *dev)
platform_set_drvdata(dev, sm);
- sm->regs = ioremap(sm->io_res->start,
- (sm->io_res->end - sm->io_res->start) - 1);
+ sm->regs = ioremap(sm->io_res->start, resource_size(sm->io_res));
if (sm->regs == NULL) {
dev_err(&dev->dev, "cannot remap registers\n");
@@ -1645,7 +1644,7 @@ static int __devinit sm501_pci_probe(struct pci_dev *dev,
sm->mem_res = &dev->resource[0];
sm->regs_claim = request_mem_region(sm->io_res->start,
- 0x100, "sm501");
+ resource_size(sm->io_res), "sm501");
if (sm->regs_claim == NULL) {
dev_err(&dev->dev, "cannot claim registers\n");
err= -EBUSY;