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i2c: mux: populate the new *_atomic callbacks

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If the parent adapter has atomic_xfer callbacks, populate them for the
mux adapter as well. We can use the same translation function as for the
non-atomic xfer callback.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Peter Rosin <peda@axentia.se>
Reviewed-by Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Wolfram Sang 2019-04-03 14:40:11 +02:00 • committed by Wolfram Sang
commit 7168bff2cf
1 changed files with 6 additions and 0 deletions
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6
drivers/i2c/i2c-mux.c
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@ -310,12 +310,18 @@ int i2c_mux_add_adapter(struct i2c_mux_core *muxc,
else
priv->algo.master_xfer = __i2c_mux_master_xfer;
}
if (parent->algo->master_xfer_atomic)
priv->algo.master_xfer_atomic = priv->algo.master_xfer;
if (parent->algo->smbus_xfer) {
if (muxc->mux_locked)
priv->algo.smbus_xfer = i2c_mux_smbus_xfer;
else
priv->algo.smbus_xfer = __i2c_mux_smbus_xfer;
}
if (parent->algo->smbus_xfer_atomic)
priv->algo.smbus_xfer_atomic = priv->algo.smbus_xfer;
priv->algo.functionality = i2c_mux_functionality;
/* Now fill out new adapter structure */