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Commit 1b2f9b1e authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Guenter Roeck
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hwmon: (sis5595) Reorder symbols to get rid of a few forward declarations 

Declarations for static symbols are useless repetition unless there are
cyclic dependencies.

Reorder the functions and variables to get rid of 6 forward declarations.
Signed-off-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20220922074900.2763331-2-u.kleine-koenig@pengutronix.deSigned-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 847a3b04
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Showing with 84 additions and 92 deletions
drivers/hwmon/sis5595.c
View file @ 1b2f9b1e
......@@ -192,21 +192,75 @@ struct sis5595_data {
static struct pci_dev *s_bridge; /* pointer to the (only) sis5595 */
static int sis5595_probe(struct platform_device *pdev);
static int sis5595_remove(struct platform_device *pdev);
/* ISA access must be locked explicitly. */
static int sis5595_read_value(struct sis5595_data *data, u8 reg)
{
int res;
static int sis5595_read_value(struct sis5595_data *data, u8 reg);
static void sis5595_write_value(struct sis5595_data *data, u8 reg, u8 value);
static struct sis5595_data *sis5595_update_device(struct device *dev);
static void sis5595_init_device(struct sis5595_data *data);
mutex_lock(&data->lock);
outb_p(reg, data->addr + SIS5595_ADDR_REG_OFFSET);
res = inb_p(data->addr + SIS5595_DATA_REG_OFFSET);
mutex_unlock(&data->lock);
return res;
}
static struct platform_driver sis5595_driver = {
.driver = {
.name = DRIVER_NAME,
},
.probe = sis5595_probe,
.remove = sis5595_remove,
};
static void sis5595_write_value(struct sis5595_data *data, u8 reg, u8 value)
{
mutex_lock(&data->lock);
outb_p(reg, data->addr + SIS5595_ADDR_REG_OFFSET);
outb_p(value, data->addr + SIS5595_DATA_REG_OFFSET);
mutex_unlock(&data->lock);
}
static struct sis5595_data *sis5595_update_device(struct device *dev)
{
struct sis5595_data *data = dev_get_drvdata(dev);
int i;
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
for (i = 0; i <= data->maxins; i++) {
data->in[i] =
sis5595_read_value(data, SIS5595_REG_IN(i));
data->in_min[i] =
sis5595_read_value(data,
SIS5595_REG_IN_MIN(i));
data->in_max[i] =
sis5595_read_value(data,
SIS5595_REG_IN_MAX(i));
}
for (i = 0; i < 2; i++) {
data->fan[i] =
sis5595_read_value(data, SIS5595_REG_FAN(i));
data->fan_min[i] =
sis5595_read_value(data,
SIS5595_REG_FAN_MIN(i));
}
if (data->maxins == 3) {
data->temp =
sis5595_read_value(data, SIS5595_REG_TEMP);
data->temp_over =
sis5595_read_value(data, SIS5595_REG_TEMP_OVER);
data->temp_hyst =
sis5595_read_value(data, SIS5595_REG_TEMP_HYST);
}
i = sis5595_read_value(data, SIS5595_REG_FANDIV);
data->fan_div[0] = (i >> 4) & 0x03;
data->fan_div[1] = i >> 6;
data->alarms =
sis5595_read_value(data, SIS5595_REG_ALARM1) |
(sis5595_read_value(data, SIS5595_REG_ALARM2) << 8);
data->last_updated = jiffies;
data->valid = true;
}
mutex_unlock(&data->update_lock);
return data;
}
/* 4 Voltages */
static ssize_t in_show(struct device *dev, struct device_attribute *da,
......@@ -569,6 +623,15 @@ static const struct attribute_group sis5595_group_temp1 = {
.attrs = sis5595_attributes_temp1,
};
/* Called when we have found a new SIS5595. */
static void sis5595_init_device(struct sis5595_data *data)
{
u8 config = sis5595_read_value(data, SIS5595_REG_CONFIG);
if (!(config & 0x01))
sis5595_write_value(data, SIS5595_REG_CONFIG,
(config & 0xf7) | 0x01);
}
/* This is called when the module is loaded */
static int sis5595_probe(struct platform_device *pdev)
{
......@@ -658,85 +721,6 @@ static int sis5595_remove(struct platform_device *pdev)
return 0;
}
/* ISA access must be locked explicitly. */
static int sis5595_read_value(struct sis5595_data *data, u8 reg)
{
int res;
mutex_lock(&data->lock);
outb_p(reg, data->addr + SIS5595_ADDR_REG_OFFSET);
res = inb_p(data->addr + SIS5595_DATA_REG_OFFSET);
mutex_unlock(&data->lock);
return res;
}
static void sis5595_write_value(struct sis5595_data *data, u8 reg, u8 value)
{
mutex_lock(&data->lock);
outb_p(reg, data->addr + SIS5595_ADDR_REG_OFFSET);
outb_p(value, data->addr + SIS5595_DATA_REG_OFFSET);
mutex_unlock(&data->lock);
}
/* Called when we have found a new SIS5595. */
static void sis5595_init_device(struct sis5595_data *data)
{
u8 config = sis5595_read_value(data, SIS5595_REG_CONFIG);
if (!(config & 0x01))
sis5595_write_value(data, SIS5595_REG_CONFIG,
(config & 0xf7) | 0x01);
}
static struct sis5595_data *sis5595_update_device(struct device *dev)
{
struct sis5595_data *data = dev_get_drvdata(dev);
int i;
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
for (i = 0; i <= data->maxins; i++) {
data->in[i] =
sis5595_read_value(data, SIS5595_REG_IN(i));
data->in_min[i] =
sis5595_read_value(data,
SIS5595_REG_IN_MIN(i));
data->in_max[i] =
sis5595_read_value(data,
SIS5595_REG_IN_MAX(i));
}
for (i = 0; i < 2; i++) {
data->fan[i] =
sis5595_read_value(data, SIS5595_REG_FAN(i));
data->fan_min[i] =
sis5595_read_value(data,
SIS5595_REG_FAN_MIN(i));
}
if (data->maxins == 3) {
data->temp =
sis5595_read_value(data, SIS5595_REG_TEMP);
data->temp_over =
sis5595_read_value(data, SIS5595_REG_TEMP_OVER);
data->temp_hyst =
sis5595_read_value(data, SIS5595_REG_TEMP_HYST);
}
i = sis5595_read_value(data, SIS5595_REG_FANDIV);
data->fan_div[0] = (i >> 4) & 0x03;
data->fan_div[1] = i >> 6;
data->alarms =
sis5595_read_value(data, SIS5595_REG_ALARM1) |
(sis5595_read_value(data, SIS5595_REG_ALARM2) << 8);
data->last_updated = jiffies;
data->valid = true;
}
mutex_unlock(&data->update_lock);
return data;
}
static const struct pci_device_id sis5595_pci_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503) },
{ 0, }
......@@ -801,6 +785,14 @@ static int sis5595_device_add(unsigned short address)
return err;
}
static struct platform_driver sis5595_driver = {
.driver = {
.name = DRIVER_NAME,
},
.probe = sis5595_probe,
.remove = sis5595_remove,
};
static int sis5595_pci_probe(struct pci_dev *dev,
const struct pci_device_id *id)
{
......
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