Re: [PATCH 0/7] of: unittest: new node lifecycle tests

From: Rob Herring
Date: Fri Feb 17 2023 - 16:44:08 EST


On Mon, Feb 13, 2023 at 12:56:55PM -0600, Frank Rowand wrote:
> Create new devicetree node lifecycle tests.
>
> The tests introduce use of EXPECT_NOT messages, similar to EXPECT
> messages. This requires updating scripts/dtc/of_unittest_expect
> to process EXPECT_NOT messages.
>
> The new tests revealed an issue in printk formatting when using
> format "%pOF" on a node with a reference count of zero. A patch
> is included to the fix the caller which revealed the issue.
>
> Update kconfig unittest help to further explain that unittests
> should only be enabled for developer kernels. Also add info
> about using scripts/dtc/of_unittest_expect to process the output
> of unittests.
>
> Add an additional consistency check to of_node_release(), which
> is the function that potentially frees node related memory when
> the node's reference count is decremented to zero.
>
> Add docbook documentation to the devicetree node creation functions
> about caller responsibility to call of_node_put() and how the
> memory free process works.
>
> Frank Rowand (7):
> of: prepare to add processing of EXPECT_NOT to of_unittest_expect
> of: add processing of EXPECT_NOT to of_unittest_expect
> of: update kconfig unittest help
> of: unittest: add node lifecycle tests
> of: do not use "%pOF" printk format on node with refcount of zero
> of: add consistency check to of_node_release()
> of: dynamic: add lifecycle docbook info to node creation functions

Series applied.

Rob