IB/hfi1: Hold i2c resource across debugfs open/close

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External i2c firmware updates are done in multiple steps and
cannot have other things done in between.  For debugfs files,
acquire the resource on open and release it on close.

Reviewed-by: Mitko Haralanov <mitko.haralanov@intel.com>
Reviewed-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Jubin John <jubin.john@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

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Dean Luick 2016-03-05 08:50:27 -08:00 • committed by Doug Ledford

parent b0506f4c56

commit ae993e7fba

1 changed files with 124 additions and 21 deletions

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145

drivers/staging/rdma/hfi1/debugfs.c

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