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IB/core: Allow device-specific per-port sysfs files

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Add a new parameter to ib_register_device() so that low-level device
drivers can pass in a pointer to a callback function that will be
called for each port that is registered in sysfs.  This allows
low-level device drivers to create files in

    /sys/class/infiniband/<hca>/ports/<N>/

without having to poke through the internals of the RDMA sysfs handling.

There is no need for an unregister function since the kobject
reference will go to zero when ib_unregister_device() is called.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Ralph Campbell
2010-05-06 17:03:25 -07:00
committed by Roland Dreier
parent a0fe3cc5d3
commit 9a6edb60ec
12 changed files with 35 additions and 16 deletions
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2
drivers/infiniband/hw/cxgb4/provider.c
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@@ -486,7 +486,7 @@ int c4iw_register_device(struct c4iw_dev *dev)
dev->ibdev.iwcm->rem_ref = c4iw_qp_rem_ref;
dev->ibdev.iwcm->get_qp = c4iw_get_qp;
ret = ib_register_device(&dev->ibdev);
ret = ib_register_device(&dev->ibdev, NULL);
if (ret)
goto bail1;