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Diffstat (limited to 'drivers/i2c/busses/i2c-nforce2.c')
-rw-r--r--drivers/i2c/busses/i2c-nforce2.c32
1 files changed, 4 insertions, 28 deletions
diff --git a/drivers/i2c/busses/i2c-nforce2.c b/drivers/i2c/busses/i2c-nforce2.c
index f6a1272c5854..d58a308582e4 100644
--- a/drivers/i2c/busses/i2c-nforce2.c
+++ b/drivers/i2c/busses/i2c-nforce2.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
SMBus driver for nVidia nForce2 MCP
@@ -8,15 +9,6 @@
SMBus 2.0 driver for AMD-8111 IO-Hub
Copyright (c) 2002 Vojtech Pavlik
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
*/
/*
@@ -125,20 +117,6 @@ static const struct dmi_system_id nforce2_dmi_blacklist2[] = {
static struct pci_driver nforce2_driver;
-/* For multiplexing support, we need a global reference to the 1st
- SMBus channel */
-#if IS_ENABLED(CONFIG_I2C_NFORCE2_S4985)
-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;
@@ -335,8 +313,8 @@ static int nforce2_probe_smb(struct pci_dev *dev, int bar, int alt_reg,
/* Older incarnations of the device used non-standard BARs */
u16 iobase;
- if (pci_read_config_word(dev, alt_reg, &iobase)
- != PCIBIOS_SUCCESSFUL) {
+ error = pci_read_config_word(dev, alt_reg, &iobase);
+ if (error != PCIBIOS_SUCCESSFUL) {
dev_err(&dev->dev, "Error reading PCI config for %s\n",
name);
return -EIO;
@@ -357,7 +335,7 @@ static int nforce2_probe_smb(struct pci_dev *dev, int bar, int alt_reg,
return -EBUSY;
}
smbus->adapter.owner = THIS_MODULE;
- smbus->adapter.class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
+ smbus->adapter.class = I2C_CLASS_HWMON;
smbus->adapter.algo = &smbus_algorithm;
smbus->adapter.algo_data = smbus;
smbus->adapter.dev.parent = &dev->dev;
@@ -419,7 +397,6 @@ static int nforce2_probe(struct pci_dev *dev, const struct pci_device_id *id)
return -ENODEV;
}
- nforce2_set_reference(&smbuses[0].adapter);
return 0;
}
@@ -428,7 +405,6 @@ static void nforce2_remove(struct pci_dev *dev)
{
struct nforce2_smbus *smbuses = 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);