From 12411eb0d191f7616b7eba560f7ddf88817741ab Mon Sep 17 00:00:00 2001 From: "grant_nospam@dodo.com.au" Date: Wed, 30 Mar 2005 22:32:55 -0800 Subject: [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 Signed-off-by: Greg Kroah-Hartman --- drivers/i2c/chips/w83781d.c | 100 -------------------------------------------- 1 file changed, 100 deletions(-) diff --git a/drivers/i2c/chips/w83781d.c b/drivers/i2c/chips/w83781d.c index e893229239d07..628d769cf4751 100644 --- a/drivers/i2c/chips/w83781d.c +++ b/drivers/i2c/chips/w83781d.c @@ -46,9 +46,6 @@ #include #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 @@ struct w83781d_data { 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 @@ do { \ 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 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind) 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 @@ w83781d_init_client(struct i2c_client *client) 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 */ -- cgit 1.2.3-korg