[PATCH] spi: set kset of master class dev explicitly

[Imre Deak]

In order for spi_busnum_to_master to work spi master devices must be
linked into the spi_master_class.subsys.kset list. At the moment the
default class_obj_subsys.kset is used and we can't enumerate the master
devices.

Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 6d54112..3cb1ec4 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -366,6 +366,7 @@ spi_alloc_master(struct device *dev, uns
 
 	class_device_initialize(&master->cdev);
 	master->cdev.class = &spi_master_class;
+	kobj_set_kset_s(&master->cdev, spi_master_class.subsys);
 	master->cdev.dev = get_device(dev);
 	spi_master_set_devdata(master, &master[1]);
 


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