static struct pci_driver nforce2_driver;
+/* For multiplexing support, we need a global reference to the 1st
+ SMBus channel */
+#if defined CONFIG_I2C_NFORCE2_S4985 || defined CONFIG_I2C_NFORCE2_S4985_MODULE
+struct i2c_adapter *nforce2_smbus;
+EXPORT_SYMBOL_GPL(nforce2_smbus);
+
+static void nforce2_set_reference(struct i2c_adapter *adap)
+{
+ nforce2_smbus = adap;
+}
+#else
+static inline void nforce2_set_reference(struct i2c_adapter *adap) { }
+#endif
+
static void nforce2_abort(struct i2c_adapter *adap)
{
struct nforce2_smbus *smbus = adap->algo_data;
return -ENODEV;
}
+ nforce2_set_reference(&smbuses[0].adapter);
return 0;
}
{
struct nforce2_smbus *smbuses = (void*) pci_get_drvdata(dev);
+ nforce2_set_reference(NULL);
if (smbuses[0].base) {
i2c_del_adapter(&smbuses[0].adapter);
release_region(smbuses[0].base, smbuses[0].size);