diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-isch.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-isch.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-isch.c b/drivers/i2c/busses/i2c-isch.c index 8d648911a7f..b9c01aa9003 100644 --- a/drivers/i2c/busses/i2c-isch.c +++ b/drivers/i2c/busses/i2c-isch.c @@ -35,6 +35,7 @@ #include <linux/i2c.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/acpi.h> /* SCH SMBus address offsets */ #define SMBHSTCNT (0 + sch_smba) @@ -279,6 +280,8 @@ static int __devinit sch_probe(struct pci_dev *dev, dev_err(&dev->dev, "SMBus base address uninitialized!\n"); return -ENODEV; } + if (acpi_check_region(sch_smba, SMBIOSIZE, sch_driver.name)) + return -EBUSY; if (!request_region(sch_smba, SMBIOSIZE, sch_driver.name)) { dev_err(&dev->dev, "SMBus region 0x%x already in use!\n", sch_smba); |