summaryrefslogtreecommitdiffstats
path: root/drivers/i2c
diff options
context:
space:
mode:
authorJean Delvare <khali@linux-fr.org>2009-06-19 16:58:18 +0200
committerJean Delvare <khali@linux-fr.org>2009-06-19 16:58:18 +0200
commit36789b5ea52bba961122b45f4383f553ec3b5a6c (patch)
tree8e4b23645de92f07c806b4ded07e6a6ed234a65d /drivers/i2c
parent729d6dd571464954f625e6b80950d9e4e3bd94f7 (diff)
downloadlinux-36789b5ea52bba961122b45f4383f553ec3b5a6c.tar.gz
linux-36789b5ea52bba961122b45f4383f553ec3b5a6c.tar.bz2
linux-36789b5ea52bba961122b45f4383f553ec3b5a6c.zip
i2c: Drop i2c_probe function
The legacy i2c_probe() function has no users left, get rid of it. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: David Brownell <dbrownell@users.sourceforge.net>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/i2c-core.c137
1 files changed, 0 insertions, 137 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index dc8bc9131447..d48438908e1e 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -1032,144 +1032,7 @@ EXPORT_SYMBOL(i2c_master_recv);
* Will not work for 10-bit addresses!
* ----------------------------------------------------
*/
-static int i2c_probe_address(struct i2c_adapter *adapter, int addr, int kind,
- int (*found_proc) (struct i2c_adapter *, int, int))
-{
- int err;
-
- /* Make sure the address is valid */
- if (addr < 0x03 || addr > 0x77) {
- dev_warn(&adapter->dev, "Invalid probe address 0x%02x\n",
- addr);
- return -EINVAL;
- }
-
- /* Skip if already in use */
- if (i2c_check_addr(adapter, addr))
- return 0;
-
- /* Make sure there is something at this address, unless forced */
- if (kind < 0) {
- if (i2c_smbus_xfer(adapter, addr, 0, 0, 0,
- I2C_SMBUS_QUICK, NULL) < 0)
- return 0;
-
- /* prevent 24RF08 corruption */
- if ((addr & ~0x0f) == 0x50)
- i2c_smbus_xfer(adapter, addr, 0, 0, 0,
- I2C_SMBUS_QUICK, NULL);
- }
-
- /* Finally call the custom detection function */
- err = found_proc(adapter, addr, kind);
- /* -ENODEV can be returned if there is a chip at the given address
- but it isn't supported by this chip driver. We catch it here as
- this isn't an error. */
- if (err == -ENODEV)
- err = 0;
-
- if (err)
- dev_warn(&adapter->dev, "Client creation failed at 0x%x (%d)\n",
- addr, err);
- return err;
-}
-
-int i2c_probe(struct i2c_adapter *adapter,
- const struct i2c_client_address_data *address_data,
- int (*found_proc) (struct i2c_adapter *, int, int))
-{
- int i, err;
- int adap_id = i2c_adapter_id(adapter);
-
- /* Force entries are done first, and are not affected by ignore
- entries */
- if (address_data->forces) {
- const unsigned short * const *forces = address_data->forces;
- int kind;
-
- for (kind = 0; forces[kind]; kind++) {
- for (i = 0; forces[kind][i] != I2C_CLIENT_END;
- i += 2) {
- if (forces[kind][i] == adap_id
- || forces[kind][i] == ANY_I2C_BUS) {
- dev_dbg(&adapter->dev, "found force "
- "parameter for adapter %d, "
- "addr 0x%02x, kind %d\n",
- adap_id, forces[kind][i + 1],
- kind);
- err = i2c_probe_address(adapter,
- forces[kind][i + 1],
- kind, found_proc);
- if (err)
- return err;
- }
- }
- }
- }
-
- /* Stop here if we can't use SMBUS_QUICK */
- if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_QUICK)) {
- if (address_data->probe[0] == I2C_CLIENT_END
- && address_data->normal_i2c[0] == I2C_CLIENT_END)
- return 0;
-
- dev_dbg(&adapter->dev, "SMBus Quick command not supported, "
- "can't probe for chips\n");
- return -EOPNOTSUPP;
- }
-
- /* Probe entries are done second, and are not affected by ignore
- entries either */
- for (i = 0; address_data->probe[i] != I2C_CLIENT_END; i += 2) {
- if (address_data->probe[i] == adap_id
- || address_data->probe[i] == ANY_I2C_BUS) {
- dev_dbg(&adapter->dev, "found probe parameter for "
- "adapter %d, addr 0x%02x\n", adap_id,
- address_data->probe[i + 1]);
- err = i2c_probe_address(adapter,
- address_data->probe[i + 1],
- -1, found_proc);
- if (err)
- return err;
- }
- }
-
- /* Normal entries are done last, unless shadowed by an ignore entry */
- for (i = 0; address_data->normal_i2c[i] != I2C_CLIENT_END; i += 1) {
- int j, ignore;
-
- ignore = 0;
- for (j = 0; address_data->ignore[j] != I2C_CLIENT_END;
- j += 2) {
- if ((address_data->ignore[j] == adap_id ||
- address_data->ignore[j] == ANY_I2C_BUS)
- && address_data->ignore[j + 1]
- == address_data->normal_i2c[i]) {
- dev_dbg(&adapter->dev, "found ignore "
- "parameter for adapter %d, "
- "addr 0x%02x\n", adap_id,
- address_data->ignore[j + 1]);
- ignore = 1;
- break;
- }
- }
- if (ignore)
- continue;
-
- dev_dbg(&adapter->dev, "found normal entry for adapter %d, "
- "addr 0x%02x\n", adap_id,
- address_data->normal_i2c[i]);
- err = i2c_probe_address(adapter, address_data->normal_i2c[i],
- -1, found_proc);
- if (err)
- return err;
- }
-
- return 0;
-}
-EXPORT_SYMBOL(i2c_probe);
-/* Separate detection function for new-style drivers */
static int i2c_detect_address(struct i2c_client *temp_client, int kind,
struct i2c_driver *driver)
{