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authorH Hartley Sweeten <hartleys@visionengravers.com>2010-01-05 19:55:54 +0100
committerSamuel Ortiz <sameo@linux.intel.com>2010-03-07 22:16:52 +0100
commit311e54c07e784fe63d421f724dcc597d1f82ccad (patch)
treeefcf5179a18bc9082930386a4a022974b9f54b47 /drivers/mfd/sm501.c
parent08b8499bdd26822df16f962db88215d02e40850a (diff)
mfd: Use resource_size() in sm501
The requested memory region is smaller than the actual ioremap(). Use resource_size() to get the correct size. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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 0cc5eeff5ee8..dc9ea95c0561 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;