diff options
| author | H Hartley Sweeten <hartleys@visionengravers.com> | 2010-01-05 19:55:54 +0100 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2010-03-07 22:16:52 +0100 |
| commit | 311e54c07e784fe63d421f724dcc597d1f82ccad (patch) | |
| tree | efcf5179a18bc9082930386a4a022974b9f54b47 /drivers/mfd/sm501.c | |
| parent | 08b8499bdd26822df16f962db88215d02e40850a (diff) | |
| download | linux-311e54c07e784fe63d421f724dcc597d1f82ccad.tar.gz linux-311e54c07e784fe63d421f724dcc597d1f82ccad.tar.bz2 linux-311e54c07e784fe63d421f724dcc597d1f82ccad.zip | |
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.c | 7 |
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; |