diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-sis630.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-sis630.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-sis630.c b/drivers/i2c/busses/i2c-sis630.c index eb2b2181fed7..72c29a650b22 100644 --- a/drivers/i2c/busses/i2c-sis630.c +++ b/drivers/i2c/busses/i2c-sis630.c @@ -55,6 +55,7 @@ #include <linux/ioport.h> #include <linux/init.h> #include <linux/i2c.h> +#include <linux/acpi.h> #include <asm/io.h> /* SIS630 SMBus registers */ @@ -437,6 +438,11 @@ static int sis630_setup(struct pci_dev *sis630_dev) dev_dbg(&sis630_dev->dev, "ACPI base at 0x%04x\n", acpi_base); + retval = acpi_check_region(acpi_base + SMB_STS, SIS630_SMB_IOREGION, + sis630_driver.name); + if (retval) + goto exit; + /* Everything is happy, let's grab the memory and set things up. */ if (!request_region(acpi_base + SMB_STS, SIS630_SMB_IOREGION, sis630_driver.name)) { |