ChangeSet 1.2321.1.29, 2005/03/31 14:32:55-08:00, [EMAIL PROTECTED]
[PATCH] I2C: Drop useless w83781d RT feature
This patch removes useless RT feature from w83781d driver.
Patch applies after the recent "I2C: Fix a common race condition
in hardware monitoring" series.
Signed-off-by: Grant Coady <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
w83781d.c | 100 --------------------------------------------------------------
1 files changed, 100 deletions(-)
diff -Nru a/drivers/i2c/chips/w83781d.c b/drivers/i2c/chips/w83781d.c
--- a/drivers/i2c/chips/w83781d.c 2005-03-31 18:14:14 -08:00
+++ b/drivers/i2c/chips/w83781d.c 2005-03-31 18:14:14 -08:00
@@ -46,9 +46,6 @@
#include <asm/io.h>
#include "lm75.h"
-/* RT Table support #defined so we can take it out if it gets bothersome */
-#define W83781D_RT 1
-
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25,
0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b,
@@ -258,9 +255,6 @@
3000-5000 = thermistor beta.
Default = 3435.
Other Betas unimplemented */
-#ifdef W83781D_RT
- u8 rt[3][32]; /* Register value */
-#endif
u8 vrm;
};
@@ -834,66 +828,6 @@
device_create_file(&client->dev, &dev_attr_temp##offset##_type); \
} while (0)
-#ifdef W83781D_RT
-static ssize_t
-show_rt_reg(struct device *dev, char *buf, int nr)
-{
- struct w83781d_data *data = w83781d_update_device(dev);
- int i, j = 0;
-
- for (i = 0; i < 32; i++) {
- if (i > 0)
- j += sprintf(buf, " %ld", (long) data->rt[nr - 1][i]);
- else
- j += sprintf(buf, "%ld", (long) data->rt[nr - 1][i]);
- }
- j += sprintf(buf, "\n");
-
- return j;
-}
-
-static ssize_t
-store_rt_reg(struct device *dev, const char *buf, size_t count, int nr)
-{
- struct i2c_client *client = to_i2c_client(dev);
- struct w83781d_data *data = i2c_get_clientdata(client);
- u32 val, i;
-
- for (i = 0; i < count; i++) {
- val = simple_strtoul(buf + count, NULL, 10);
-
- /* fixme: no bounds checking 0-255 */
- data->rt[nr - 1][i] = val & 0xff;
- w83781d_write_value(client, W83781D_REG_RT_IDX, i);
- w83781d_write_value(client, W83781D_REG_RT_VAL,
- data->rt[nr - 1][i]);
- }
-
- return count;
-}
-
-#define sysfs_rt(offset) \
-static ssize_t show_regs_rt_##offset (struct device *dev, char *buf) \
-{ \
- return show_rt_reg(dev, buf, offset); \
-} \
-static ssize_t store_regs_rt_##offset (struct device *dev, const char *buf,
size_t count) \
-{ \
- return store_rt_reg(dev, buf, count, offset); \
-} \
-static DEVICE_ATTR(rt##offset, S_IRUGO | S_IWUSR, show_regs_rt_##offset,
store_regs_rt_##offset);
-
-sysfs_rt(1);
-sysfs_rt(2);
-sysfs_rt(3);
-
-#define device_create_file_rt(client, offset) \
-do { \
-device_create_file(&client->dev, &dev_attr_rt##offset); \
-} while (0)
-
-#endif /* ifdef W83781D_RT */
-
/* This function is called when:
* w83781d_driver is inserted (when this module is loaded), for each
available adapter
@@ -1304,13 +1238,6 @@
if (kind != w83783s && kind != w83697hf)
device_create_file_sensor(new_client, 3);
}
-#ifdef W83781D_RT
- if (kind == w83781d) {
- device_create_file_rt(new_client, 1);
- device_create_file_rt(new_client, 2);
- device_create_file_rt(new_client, 3);
- }
-#endif
return 0;
@@ -1535,33 +1462,6 @@
break;
}
}
-#ifdef W83781D_RT
-/*
- Fill up the RT Tables.
- We assume that they are 32 bytes long, in order for temp 1-3.
- Data sheet documentation is sparse.
- We also assume that it is only for the 781D although I suspect
- that the others support it as well....
-*/
-
- if (init && type == w83781d) {
- u16 k = 0;
-/*
- Auto-indexing doesn't seem to work...
- w83781d_write_value(client,W83781D_REG_RT_IDX,0);
-*/
- for (i = 0; i < 3; i++) {
- int j;
- for (j = 0; j < 32; j++) {
- w83781d_write_value(client,
- W83781D_REG_RT_IDX, k++);
- data->rt[i][j] =
- w83781d_read_value(client,
- W83781D_REG_RT_VAL);
- }
- }
- }
-#endif /* W83781D_RT */
if (init && type != as99127f) {
/* Enable temp2 */
-
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