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authorJeremy Kerr <jk@ozlabs.org>2017-02-01 10:53:43 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-02-10 15:19:48 +0100
commitdd37eed7db0f7607fa41887c11c1e428faa15d0c (patch)
tree77f9408503ed7e2fb672dcfa88682bb2596e3a1c /drivers/fsi/fsi-core.c
parentfda07a6c94ac5c9bd73d7b0134c6cc6861375341 (diff)
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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.c21
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);