habanalabs: add new return code to device fd open

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In order to be more informative during device open, we are adding a
new return code -EAGAIN that indicates device is still going through
resource reclaiming and hence it cannot be used yet.

Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Ofir Bitton 2022-02-28 16:08:20 +02:00 • committed by Greg Kroah-Hartman

parent 050a6f349a

commit 4c3b9f6e3b

3 changed files with 20 additions and 1 deletions

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4

drivers/misc/habanalabs/common/device.c

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2

drivers/misc/habanalabs/common/habanalabs.h

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15

drivers/misc/habanalabs/common/habanalabs_drv.c

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