The legacy i2c_probe() function has no users left, get rid of it.
Signed-off-by: Jean Delvare <khali@xxxxxxxxxxxx>
Cc: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/i2c/i2c-core.c | 137 ------------------------------------------------
include/linux/i2c.h | 8 --
2 files changed, 145 deletions(-)
--- linux-2.6.30-rc4.orig/drivers/i2c/i2c-core.c 2009-04-30 18:05:25.000000000 +0200
+++ linux-2.6.30-rc4/drivers/i2c/i2c-core.c 2009-04-30 18:05:54.000000000 +0200
@@ -1042,144 +1042,7 @@ 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)
{
--- linux-2.6.30-rc4.orig/include/linux/i2c.h 2009-04-30 18:04:20.000000000 +0200
+++ linux-2.6.30-rc4/include/linux/i2c.h 2009-04-30 18:05:36.000000000 +0200
@@ -419,14 +419,6 @@ extern void i2c_release_client(struct i2
extern void i2c_clients_command(struct i2c_adapter *adap,
unsigned int cmd, void *arg);
-/* Detect function. It iterates over all possible addresses itself.
- * It will only call found_proc if some client is connected at the
- * specific address (unless a 'force' matched);
- */
-extern int i2c_probe(struct i2c_adapter *adapter,
- const struct i2c_client_address_data *address_data,
- int (*found_proc) (struct i2c_adapter *, int, int));
-
extern struct i2c_adapter *i2c_get_adapter(int id);
extern void i2c_put_adapter(struct i2c_adapter *adap);
--
Jean Delvare
--
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