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| author | Jeremy Kerr <jk@ozlabs.org> | 2017-02-01 10:53:43 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-02-10 15:19:48 +0100 |
| commit | dd37eed7db0f7607fa41887c11c1e428faa15d0c (patch) | |
| tree | 77f9408503ed7e2fb672dcfa88682bb2596e3a1c /drivers/fsi/fsi-core.c | |
| parent | fda07a6c94ac5c9bd73d7b0134c6cc6861375341 (diff) | |
| download | lwn-dd37eed7db0f7607fa41887c11c1e428faa15d0c.tar.gz lwn-dd37eed7db0f7607fa41887c11c1e428faa15d0c.zip | |
drivers/fsi: add driver to device matches
Driver bind to devices based on the engine types & (optional) versions.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Chris Bostic <cbostic@us.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/fsi/fsi-core.c')
| -rw-r--r-- | drivers/fsi/fsi-core.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c index 3e45306359b3..3d55bd547178 100644 --- a/drivers/fsi/fsi-core.c +++ b/drivers/fsi/fsi-core.c @@ -19,8 +19,29 @@ /* FSI core & Linux bus type definitions */ +static int fsi_bus_match(struct device *dev, struct device_driver *drv) +{ + struct fsi_device *fsi_dev = to_fsi_dev(dev); + struct fsi_driver *fsi_drv = to_fsi_drv(drv); + const struct fsi_device_id *id; + + if (!fsi_drv->id_table) + return 0; + + for (id = fsi_drv->id_table; id->engine_type; id++) { + if (id->engine_type != fsi_dev->engine_type) + continue; + if (id->version == FSI_VERSION_ANY || + id->version == fsi_dev->version) + return 1; + } + + return 0; +} + struct bus_type fsi_bus_type = { .name = "fsi", + .match = fsi_bus_match, }; EXPORT_SYMBOL_GPL(fsi_bus_type); |