From 827900c55665dc8e20b05bb18d3f6e078eaa6183 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sat, 10 Jul 2010 09:42:46 +0200 Subject: [PATCH] i2c: Fix probability check The new unified probing function differs from the original code, and the preliminary test whether probing is possible must be updated accordingly. Signed-off-by: Jean Delvare --- drivers/i2c/i2c-core.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 1cca2631e5b3..0815e10da7c6 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -1428,13 +1428,12 @@ static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver) if (!(adapter->class & driver->class)) goto exit_free; - /* Stop here if we can't use SMBUS_QUICK */ - if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_QUICK)) { + /* Stop here if the bus doesn't support probing */ + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_BYTE)) { if (address_list[0] == I2C_CLIENT_END) goto exit_free; - dev_warn(&adapter->dev, "SMBus Quick command not supported, " - "can't probe for chips\n"); + dev_warn(&adapter->dev, "Probing not supported\n"); err = -EOPNOTSUPP; goto exit_free; }