[PATCH] hwmon: hwmon vs i2c, second round (05/11)
The i2c_detect function has no more user, delete it. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jean Delvare
Greg Kroah-Hartman
parent
2ed2dc3c11
commit
96478ef3f3
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@ -7,7 +7,7 @@ obj-$(CONFIG_I2C_CHARDEV) += i2c-dev.o
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obj-$(CONFIG_I2C_SENSOR) += i2c-sensor.o
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obj-y += busses/ chips/ algos/
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i2c-sensor-objs := i2c-sensor-detect.o i2c-sensor-vid.o
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i2c-sensor-objs := i2c-sensor-vid.o
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ifeq ($(CONFIG_I2C_DEBUG_CORE),y)
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@ -1,125 +0,0 @@
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/*
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i2c-sensor-detect.c - Part of lm_sensors, Linux kernel modules for hardware
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monitoring
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Copyright (c) 1998 - 2001 Frodo Looijaard <frodol@dds.nl> and
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Mark D. Studebaker <mdsxyz123@yahoo.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/i2c.h>
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#include <linux/i2c-sensor.h>
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static unsigned short empty[] = {I2C_CLIENT_END};
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/* Won't work for 10-bit addresses! */
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int i2c_detect(struct i2c_adapter *adapter,
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struct i2c_client_address_data *address_data,
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int (*found_proc) (struct i2c_adapter *, int, int))
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{
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int addr, i, found, j, err;
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int adapter_id = i2c_adapter_id(adapter);
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unsigned short *normal_i2c;
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unsigned short *probe;
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unsigned short *ignore;
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/* Forget it if we can't probe using SMBUS_QUICK */
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if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_QUICK))
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return -1;
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/* Use default "empty" list if the adapter doesn't specify any */
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normal_i2c = probe = ignore = empty;
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if (address_data->normal_i2c)
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normal_i2c = address_data->normal_i2c;
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if (address_data->probe)
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probe = address_data->probe;
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if (address_data->ignore)
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ignore = address_data->ignore;
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for (addr = 0x00; addr <= 0x7f; addr++) {
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if (i2c_check_addr(adapter, addr))
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continue;
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/* If it is in one of the force entries, we don't do any
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detection at all */
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found = 0;
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for (i = 0; address_data->forces[i]; i++) {
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for (j = 0; !found && (address_data->forces[i][j] != I2C_CLIENT_END); j += 2) {
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if ( ((adapter_id == address_data->forces[i][j]) ||
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(address_data->forces[i][j] == ANY_I2C_BUS)) &&
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(addr == address_data->forces[i][j + 1]) ) {
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dev_dbg(&adapter->dev, "found force parameter for adapter %d, addr %04x\n", adapter_id, addr);
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if ((err = found_proc(adapter, addr, i)))
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return err;
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found = 1;
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}
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}
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}
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if (found)
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continue;
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/* If this address is in one of the ignores, we can forget about it
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right now */
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for (i = 0; !found && (ignore[i] != I2C_CLIENT_END); i += 2) {
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if ( ((adapter_id == ignore[i]) ||
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(ignore[i] == ANY_I2C_BUS)) &&
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(addr == ignore[i + 1])) {
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dev_dbg(&adapter->dev, "found ignore parameter for adapter %d, addr %04x\n", adapter_id, addr);
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found = 1;
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}
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}
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if (found)
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continue;
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/* Now, we will do a detection, but only if it is in the normal or
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probe entries */
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for (i = 0; !found && (normal_i2c[i] != I2C_CLIENT_END); i += 1) {
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if (addr == normal_i2c[i]) {
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found = 1;
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dev_dbg(&adapter->dev, "found normal i2c entry for adapter %d, addr %02x\n", adapter_id, addr);
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}
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}
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for (i = 0;
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!found && (probe[i] != I2C_CLIENT_END);
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i += 2) {
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if (((adapter_id == probe[i]) ||
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(probe[i] == ANY_I2C_BUS))
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&& (addr == probe[i + 1])) {
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dev_dbg(&adapter->dev, "found probe parameter for adapter %d, addr %04x\n", adapter_id, addr);
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found = 1;
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}
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}
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if (!found)
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continue;
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/* OK, so we really should examine this address. First check
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whether there is some client here at all! */
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if (i2c_smbus_xfer(adapter, addr, 0, 0, 0, I2C_SMBUS_QUICK, NULL) >= 0)
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if ((err = found_proc(adapter, addr, -1)))
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return err;
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}
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return 0;
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}
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EXPORT_SYMBOL(i2c_detect);
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MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
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"Rudolf Marek <r.marek@sh.cvut.cz>");
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MODULE_DESCRIPTION("i2c-sensor driver");
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MODULE_LICENSE("GPL");
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@ -96,3 +96,8 @@ int i2c_which_vrm(void)
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#endif
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EXPORT_SYMBOL(i2c_which_vrm);
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MODULE_AUTHOR("Rudolf Marek <r.marek@sh.cvut.cz>");
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MODULE_DESCRIPTION("i2c-sensor driver");
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MODULE_LICENSE("GPL");
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@ -200,11 +200,4 @@
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NULL }; \
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SENSORS_INSMOD
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/* Detect function. It iterates over all possible addresses itself. For
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SMBus addresses, it will only call found_proc if some client is connected
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to the SMBus (unless a 'force' matched). */
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extern int i2c_detect(struct i2c_adapter *adapter,
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struct i2c_client_address_data *address_data,
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int (*found_proc) (struct i2c_adapter *, int, int));
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#endif /* def _LINUX_I2C_SENSOR_H */
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