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drivers/fsi: add driver to device matches

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Driver bind to devices based on the engine types & (optional) versions.

Signed-off-by: Jeremy Kerr <[email protected]>
Signed-off-by: Chris Bostic <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Jeremy Kerr 2017-02-01 10:53:43 -06:00 • committed by Greg Kroah-Hartman
commit dd37eed7db
2 changed files with 40 additions and 2 deletions
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21
drivers/fsi/fsi-core.c
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@ -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);