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hwmon: (sis5595) Fix checkpatch issues

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Fixed:
ERROR: do not use assignment in if condition
ERROR: space prohibited after that open parenthesis '('
ERROR: space prohibited before that close parenthesis ')'
ERROR: space required after that ',' (ctx:VxV)
ERROR: spaces required around that '<' (ctx:VxV)
ERROR: spaces required around that '==' (ctx:VxV)
ERROR: trailing statements should be on next line
ERROR: trailing whitespace
ERROR: Macros with multiple statements should be enclosed in a do - while loop
WARNING: line over 80 characters
WARNING: please, no space before tabs
WARNING: please, no spaces at the start of a line
WARNING: simple_strtol is obsolete, use kstrtol instead
WARNING: simple_strtoul is obsolete, use kstrtoul instead

Modify multi-line comments to follow Documentation/CodingStyle.

Cc: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2012-01-14 22:21:41 -08:00 • committed by Guenter Roeck
parent 57256088e1
commit 8fda79ec86
1 changed files with 188 additions and 117 deletions
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305
drivers/hwmon/sis5595.c
View file

@ -1,54 +1,54 @@
/* /*
sis5595.c - Part of lm_sensors, Linux kernel modules * sis5595.c - Part of lm_sensors, Linux kernel modules
for hardware monitoring * for hardware monitoring
*
Copyright (C) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>, * Copyright (C) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>,
Kyösti Mälkki <kmalkki@cc.hut.fi>, and * Kyösti Mälkki <kmalkki@cc.hut.fi>, and
Mark D. Studebaker <mdsxyz123@yahoo.com> * Mark D. Studebaker <mdsxyz123@yahoo.com>
Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with * Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with
the help of Jean Delvare <khali@linux-fr.org> * the help of Jean Delvare <khali@linux-fr.org>
*
This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or * the Free Software Foundation; either version 2 of the License, or
(at your option) any later version. * (at your option) any later version.
*
This program is distributed in the hope that it will be useful, * This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of * but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. * GNU General Public License for more details.
*
You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
/* /*
SiS southbridge has a LM78-like chip integrated on the same IC. * SiS southbridge has a LM78-like chip integrated on the same IC.
This driver is a customized copy of lm78.c * This driver is a customized copy of lm78.c
*
Supports following revisions: * Supports following revisions:
Version PCI ID PCI Revision * Version PCI ID PCI Revision
1 1039/0008 AF or less * 1 1039/0008 AF or less
2 1039/0008 B0 or greater * 2 1039/0008 B0 or greater
*
Note: these chips contain a 0008 device which is incompatible with the * Note: these chips contain a 0008 device which is incompatible with the
5595. We recognize these by the presence of the listed * 5595. We recognize these by the presence of the listed
"blacklist" PCI ID and refuse to load. * "blacklist" PCI ID and refuse to load.
*
NOT SUPPORTED PCI ID BLACKLIST PCI ID * NOT SUPPORTED PCI ID BLACKLIST PCI ID
540 0008 0540 * 540 0008 0540
550 0008 0550 * 550 0008 0550
5513 0008 5511 * 5513 0008 5511
5581 0008 5597 * 5581 0008 5597
5582 0008 5597 * 5582 0008 5597
5597 0008 5597 * 5597 0008 5597
5598 0008 5597/5598 * 5598 0008 5597/5598
630 0008 0630 * 630 0008 0630
645 0008 0645 * 645 0008 0645
730 0008 0730 * 730 0008 0730
735 0008 0735 * 735 0008 0735
*/ */
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@ -68,8 +68,10 @@
#include <linux/io.h> #include <linux/io.h>
/* If force_addr is set to anything different from 0, we forcibly enable /*
the device at the given address. */ * If force_addr is set to anything different from 0, we forcibly enable
* the device at the given address.
*/
static u16 force_addr; static u16 force_addr;
module_param(force_addr, ushort, 0); module_param(force_addr, ushort, 0);
MODULE_PARM_DESC(force_addr, MODULE_PARM_DESC(force_addr,
@ -98,30 +100,36 @@ static struct platform_device *pdev;
#define SIS5595_REG_FAN_MIN(nr) (0x3b + (nr)) #define SIS5595_REG_FAN_MIN(nr) (0x3b + (nr))
#define SIS5595_REG_FAN(nr) (0x28 + (nr)) #define SIS5595_REG_FAN(nr) (0x28 + (nr))
/* On the first version of the chip, the temp registers are separate. /*
On the second version, * On the first version of the chip, the temp registers are separate.
TEMP pin is shared with IN4, configured in PCI register 0x7A. * On the second version,
The registers are the same as well. * TEMP pin is shared with IN4, configured in PCI register 0x7A.
OVER and HYST are really MAX and MIN. */ * The registers are the same as well.
* OVER and HYST are really MAX and MIN.
*/
#define REV2MIN 0xb0 #define REV2MIN 0xb0
#define SIS5595_REG_TEMP (( data->revision) >= REV2MIN) ? \ #define SIS5595_REG_TEMP (((data->revision) >= REV2MIN) ? \
SIS5595_REG_IN(4) : 0x27 SIS5595_REG_IN(4) : 0x27)
#define SIS5595_REG_TEMP_OVER (( data->revision) >= REV2MIN) ? \ #define SIS5595_REG_TEMP_OVER (((data->revision) >= REV2MIN) ? \
SIS5595_REG_IN_MAX(4) : 0x39 SIS5595_REG_IN_MAX(4) : 0x39)
#define SIS5595_REG_TEMP_HYST (( data->revision) >= REV2MIN) ? \ #define SIS5595_REG_TEMP_HYST (((data->revision) >= REV2MIN) ? \
SIS5595_REG_IN_MIN(4) : 0x3a SIS5595_REG_IN_MIN(4) : 0x3a)
#define SIS5595_REG_CONFIG 0x40 #define SIS5595_REG_CONFIG 0x40
#define SIS5595_REG_ALARM1 0x41 #define SIS5595_REG_ALARM1 0x41
#define SIS5595_REG_ALARM2 0x42 #define SIS5595_REG_ALARM2 0x42
#define SIS5595_REG_FANDIV 0x47 #define SIS5595_REG_FANDIV 0x47
/* Conversions. Limit checking is only done on the TO_REG /*
variants. */ * Conversions. Limit checking is only done on the TO_REG
* variants.
*/
/* IN: mV, (0V to 4.08V) /*
REG: 16mV/bit */ * IN: mV, (0V to 4.08V)
* REG: 16mV/bit
*/
static inline u8 IN_TO_REG(unsigned long val) static inline u8 IN_TO_REG(unsigned long val)
{ {
unsigned long nval = SENSORS_LIMIT(val, 0, 4080); unsigned long nval = SENSORS_LIMIT(val, 0, 4080);
@ -138,11 +146,13 @@ static inline u8 FAN_TO_REG(long rpm, int div)
static inline int FAN_FROM_REG(u8 val, int div) static inline int FAN_FROM_REG(u8 val, int div)
{ {
return val==0 ? -1 : val==255 ? 0 : 1350000/(val*div); return val == 0 ? -1 : val == 255 ? 0 : 1350000 / (val * div);
} }
/* TEMP: mC (-54.12C to +157.53C) /*
REG: 0.83C/bit + 52.12, two's complement */ * TEMP: mC (-54.12C to +157.53C)
* REG: 0.83C/bit + 52.12, two's complement
*/
static inline int TEMP_FROM_REG(s8 val) static inline int TEMP_FROM_REG(s8 val)
{ {
return val * 830 + 52120; return val * 830 + 52120;
@ -150,19 +160,23 @@ static inline int TEMP_FROM_REG(s8 val)
static inline s8 TEMP_TO_REG(int val) static inline s8 TEMP_TO_REG(int val)
{ {
int nval = SENSORS_LIMIT(val, -54120, 157530) ; int nval = SENSORS_LIMIT(val, -54120, 157530) ;
return nval<0 ? (nval-5212-415)/830 : (nval-5212+415)/830; return nval < 0 ? (nval - 5212 - 415) / 830 : (nval - 5212 + 415) / 830;
} }
/* FAN DIV: 1, 2, 4, or 8 (defaults to 2) /*
REG: 0, 1, 2, or 3 (respectively) (defaults to 1) */ * FAN DIV: 1, 2, 4, or 8 (defaults to 2)
* REG: 0, 1, 2, or 3 (respectively) (defaults to 1)
*/
static inline u8 DIV_TO_REG(int val) static inline u8 DIV_TO_REG(int val)
{ {
return val==8 ? 3 : val==4 ? 2 : val==1 ? 0 : 1; return val == 8 ? 3 : val == 4 ? 2 : val == 1 ? 0 : 1;
} }
#define DIV_FROM_REG(val) (1 << (val)) #define DIV_FROM_REG(val) (1 << (val))
/* For each registered chip, we need to keep some data in memory. /*
The structure is dynamically allocated. */ * For each registered chip, we need to keep some data in memory.
* The structure is dynamically allocated.
*/
struct sis5595_data { struct sis5595_data {
unsigned short addr; unsigned short addr;
const char *name; const char *name;
@ -240,7 +254,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *da,
struct sis5595_data *data = dev_get_drvdata(dev); struct sis5595_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index; int nr = attr->index;
unsigned long val = simple_strtoul(buf, NULL, 10); unsigned long val;
int err;
err = kstrtoul(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock); mutex_lock(&data->update_lock);
data->in_min[nr] = IN_TO_REG(val); data->in_min[nr] = IN_TO_REG(val);
@ -255,7 +274,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *da,
struct sis5595_data *data = dev_get_drvdata(dev); struct sis5595_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index; int nr = attr->index;
unsigned long val = simple_strtoul(buf, NULL, 10); unsigned long val;
int err;
err = kstrtoul(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock); mutex_lock(&data->update_lock);
data->in_max[nr] = IN_TO_REG(val); data->in_max[nr] = IN_TO_REG(val);
@ -279,22 +303,30 @@ show_in_offset(3);
show_in_offset(4); show_in_offset(4);
/* Temperature */ /* Temperature */
static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf) static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
char *buf)
{ {
struct sis5595_data *data = sis5595_update_device(dev); struct sis5595_data *data = sis5595_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp)); return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp));
} }
static ssize_t show_temp_over(struct device *dev, struct device_attribute *attr, char *buf) static ssize_t show_temp_over(struct device *dev, struct device_attribute *attr,
char *buf)
{ {
struct sis5595_data *data = sis5595_update_device(dev); struct sis5595_data *data = sis5595_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over)); return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over));
} }
static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{ {
struct sis5595_data *data = dev_get_drvdata(dev); struct sis5595_data *data = dev_get_drvdata(dev);
long val = simple_strtol(buf, NULL, 10); long val;
int err;
err = kstrtol(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock); mutex_lock(&data->update_lock);
data->temp_over = TEMP_TO_REG(val); data->temp_over = TEMP_TO_REG(val);
@ -303,16 +335,23 @@ static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr,
return count; return count;
} }
static ssize_t show_temp_hyst(struct device *dev, struct device_attribute *attr, char *buf) static ssize_t show_temp_hyst(struct device *dev, struct device_attribute *attr,
char *buf)
{ {
struct sis5595_data *data = sis5595_update_device(dev); struct sis5595_data *data = sis5595_update_device(dev);
return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_hyst)); return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_hyst));
} }
static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{ {
struct sis5595_data *data = dev_get_drvdata(dev); struct sis5595_data *data = dev_get_drvdata(dev);
long val = simple_strtol(buf, NULL, 10); long val;
int err;
err = kstrtol(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock); mutex_lock(&data->update_lock);
data->temp_hyst = TEMP_TO_REG(val); data->temp_hyst = TEMP_TO_REG(val);
@ -335,7 +374,7 @@ static ssize_t show_fan(struct device *dev, struct device_attribute *da,
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index; int nr = attr->index;
return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr], return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
DIV_FROM_REG(data->fan_div[nr])) ); DIV_FROM_REG(data->fan_div[nr])));
} }
static ssize_t show_fan_min(struct device *dev, struct device_attribute *da, static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
@ -344,8 +383,8 @@ static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
struct sis5595_data *data = sis5595_update_device(dev); struct sis5595_data *data = sis5595_update_device(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index; int nr = attr->index;
return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr], return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
DIV_FROM_REG(data->fan_div[nr])) ); DIV_FROM_REG(data->fan_div[nr])));
} }
static ssize_t set_fan_min(struct device *dev, struct device_attribute *da, static ssize_t set_fan_min(struct device *dev, struct device_attribute *da,
@ -354,7 +393,12 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *da,
struct sis5595_data *data = dev_get_drvdata(dev); struct sis5595_data *data = dev_get_drvdata(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index; int nr = attr->index;
unsigned long val = simple_strtoul(buf, NULL, 10); unsigned long val;
int err;
err = kstrtoul(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock); mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr])); data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
@ -369,13 +413,15 @@ static ssize_t show_fan_div(struct device *dev, struct device_attribute *da,
struct sis5595_data *data = sis5595_update_device(dev); struct sis5595_data *data = sis5595_update_device(dev);
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index; int nr = attr->index;
return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]) ); return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));
} }
/* Note: we save and restore the fan minimum here, because its value is /*
determined in part by the fan divisor. This follows the principle of * Note: we save and restore the fan minimum here, because its value is
least surprise; the user doesn't expect the fan minimum to change just * determined in part by the fan divisor. This follows the principle of
because the divisor changed. */ * least surprise; the user doesn't expect the fan minimum to change just
* because the divisor changed.
*/
static ssize_t set_fan_div(struct device *dev, struct device_attribute *da, static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
const char *buf, size_t count) const char *buf, size_t count)
{ {
@ -383,8 +429,13 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
struct sensor_device_attribute *attr = to_sensor_dev_attr(da); struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
int nr = attr->index; int nr = attr->index;
unsigned long min; unsigned long min;
unsigned long val = simple_strtoul(buf, NULL, 10);
int reg; int reg;
unsigned long val;
int err;
err = kstrtoul(buf, 10, &val);
if (err)
return err;
mutex_lock(&data->update_lock); mutex_lock(&data->update_lock);
min = FAN_FROM_REG(data->fan_min[nr], min = FAN_FROM_REG(data->fan_min[nr],
@ -392,17 +443,25 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
reg = sis5595_read_value(data, SIS5595_REG_FANDIV); reg = sis5595_read_value(data, SIS5595_REG_FANDIV);
switch (val) { switch (val) {
case 1: data->fan_div[nr] = 0; break; case 1:
case 2: data->fan_div[nr] = 1; break; data->fan_div[nr] = 0;
case 4: data->fan_div[nr] = 2; break; break;
case 8: data->fan_div[nr] = 3; break; case 2:
data->fan_div[nr] = 1;
break;
case 4:
data->fan_div[nr] = 2;
break;
case 8:
data->fan_div[nr] = 3;
break;
default: default:
dev_err(dev, "fan_div value %ld not " dev_err(dev, "fan_div value %ld not "
"supported. Choose one of 1, 2, 4 or 8!\n", val); "supported. Choose one of 1, 2, 4 or 8!\n", val);
mutex_unlock(&data->update_lock); mutex_unlock(&data->update_lock);
return -EINVAL; return -EINVAL;
} }
switch (nr) { switch (nr) {
case 0: case 0:
reg = (reg & 0xcf) | (data->fan_div[nr] << 4); reg = (reg & 0xcf) | (data->fan_div[nr] << 4);
@ -431,7 +490,8 @@ show_fan_offset(1);
show_fan_offset(2); show_fan_offset(2);
/* Alarms */ /* Alarms */
static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
char *buf)
{ {
struct sis5595_data *data = sis5595_update_device(dev); struct sis5595_data *data = sis5595_update_device(dev);
return sprintf(buf, "%d\n", data->alarms); return sprintf(buf, "%d\n", data->alarms);
@ -521,7 +581,7 @@ static struct attribute *sis5595_attributes_temp1[] = {
static const struct attribute_group sis5595_group_temp1 = { static const struct attribute_group sis5595_group_temp1 = {
.attrs = sis5595_attributes_temp1, .attrs = sis5595_attributes_temp1,
}; };
/* This is called when the module is loaded */ /* This is called when the module is loaded */
static int __devinit sis5595_probe(struct platform_device *pdev) static int __devinit sis5595_probe(struct platform_device *pdev)
{ {
@ -539,7 +599,8 @@ static int __devinit sis5595_probe(struct platform_device *pdev)
goto exit; goto exit;
} }
if (!(data = kzalloc(sizeof(struct sis5595_data), GFP_KERNEL))) { data = kzalloc(sizeof(struct sis5595_data), GFP_KERNEL);
if (!data) {
err = -ENOMEM; err = -ENOMEM;
goto exit_release; goto exit_release;
} }
@ -550,7 +611,9 @@ static int __devinit sis5595_probe(struct platform_device *pdev)
data->name = "sis5595"; data->name = "sis5595";
platform_set_drvdata(pdev, data); platform_set_drvdata(pdev, data);
/* Check revision and pin registers to determine whether 4 or 5 voltages */ /*
* Check revision and pin registers to determine whether 4 or 5 voltages
*/
data->revision = s_bridge->revision; data->revision = s_bridge->revision;
/* 4 voltages, 1 temp */ /* 4 voltages, 1 temp */
data->maxins = 3; data->maxins = 3;
@ -560,7 +623,7 @@ static int __devinit sis5595_probe(struct platform_device *pdev)
/* 5 voltages, no temps */ /* 5 voltages, no temps */
data->maxins = 4; data->maxins = 4;
} }
/* Initialize the SIS5595 chip */ /* Initialize the SIS5595 chip */
sis5595_init_device(data); sis5595_init_device(data);
@ -571,15 +634,16 @@ static int __devinit sis5595_probe(struct platform_device *pdev)
} }
/* Register sysfs hooks */ /* Register sysfs hooks */
if ((err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group))) err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group);
if (err)
goto exit_free; goto exit_free;
if (data->maxins == 4) { if (data->maxins == 4) {
if ((err = sysfs_create_group(&pdev->dev.kobj, err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group_in4);
&sis5595_group_in4))) if (err)
goto exit_remove_files; goto exit_remove_files;
} else { } else {
if ((err = sysfs_create_group(&pdev->dev.kobj, err = sysfs_create_group(&pdev->dev.kobj, &sis5595_group_temp1);
&sis5595_group_temp1))) if (err)
goto exit_remove_files; goto exit_remove_files;
} }
@ -713,9 +777,11 @@ static int blacklist[] __devinitdata = {
PCI_DEVICE_ID_SI_645, PCI_DEVICE_ID_SI_645,
PCI_DEVICE_ID_SI_730, PCI_DEVICE_ID_SI_730,
PCI_DEVICE_ID_SI_735, PCI_DEVICE_ID_SI_735,
PCI_DEVICE_ID_SI_5511, /* 5513 chip has the 0008 device but PCI_DEVICE_ID_SI_5511, /*
that ID shows up in other chips so we * 5513 chip has the 0008 device but
use the 5511 ID for recognition */ * that ID shows up in other chips so we
* use the 5511 ID for recognition
*/
PCI_DEVICE_ID_SI_5597, PCI_DEVICE_ID_SI_5597,
PCI_DEVICE_ID_SI_5598, PCI_DEVICE_ID_SI_5598,
0 }; 0 };
@ -770,13 +836,16 @@ static int __devinit sis5595_pci_probe(struct pci_dev *dev,
for (i = blacklist; *i != 0; i++) { for (i = blacklist; *i != 0; i++) {
struct pci_dev *d; struct pci_dev *d;
if ((d = pci_get_device(PCI_VENDOR_ID_SI, *i, NULL))) { d = pci_get_device(PCI_VENDOR_ID_SI, *i, NULL);
dev_err(&d->dev, "Looked for SIS5595 but found unsupported device %.4x\n", *i); if (d) {
dev_err(&d->dev,
"Looked for SIS5595 but found unsupported device %.4x\n",
*i);
pci_dev_put(d); pci_dev_put(d);
return -ENODEV; return -ENODEV;
} }
} }
force_addr &= ~(SIS5595_EXTENT - 1); force_addr &= ~(SIS5595_EXTENT - 1);
if (force_addr) { if (force_addr) {
dev_warn(&dev->dev, "Forcing ISA address 0x%x\n", force_addr); dev_warn(&dev->dev, "Forcing ISA address 0x%x\n", force_addr);
@ -788,10 +857,11 @@ static int __devinit sis5595_pci_probe(struct pci_dev *dev,
dev_err(&dev->dev, "Failed to read ISA address\n"); dev_err(&dev->dev, "Failed to read ISA address\n");
return -ENODEV; return -ENODEV;
} }
address &= ~(SIS5595_EXTENT - 1); address &= ~(SIS5595_EXTENT - 1);
if (!address) { if (!address) {
dev_err(&dev->dev, "Base address not set - upgrade BIOS or use force_addr=0xaddr\n"); dev_err(&dev->dev,
"Base address not set - upgrade BIOS or use force_addr=0xaddr\n");
return -ENODEV; return -ENODEV;
} }
if (force_addr && address != force_addr) { if (force_addr && address != force_addr) {
@ -828,7 +898,8 @@ static int __devinit sis5595_pci_probe(struct pci_dev *dev,
if (sis5595_device_add(address)) if (sis5595_device_add(address))
goto exit_unregister; goto exit_unregister;
/* Always return failure here. This is to allow other drivers to bind /*
* Always return failure here. This is to allow other drivers to bind
* to this pci device. We don't really want to have control over the * to this pci device. We don't really want to have control over the
* pci device, we only wanted to read as few register values from it. * pci device, we only wanted to read as few register values from it.
*/ */