diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-piix4.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-piix4.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c index 84aa18d1003b..4e32d57ae0bf 100644 --- a/drivers/i2c/busses/i2c-piix4.c +++ b/drivers/i2c/busses/i2c-piix4.c @@ -29,6 +29,7 @@ #include <linux/stddef.h> #include <linux/ioport.h> #include <linux/i2c.h> +#include <linux/i2c-smbus.h> #include <linux/slab.h> #include <linux/dmi.h> #include <linux/acpi.h> @@ -982,6 +983,14 @@ static int piix4_add_adapter(struct pci_dev *dev, unsigned short smba, return retval; } + /* + * The AUX bus can not be probed as on some platforms it reports all + * devices present and all reads return "0". + * This would allow the ee1004 to be probed incorrectly. + */ + if (port == 0) + i2c_register_spd(adap); + *padap = adap; return 0; } |