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media: imx290: mark read reg function as __always_unused
authorMauro Carvalho Chehab <mchehab+huawei@kernel.org>
Wed, 24 Nov 2021 11:48:45 +0000 (11:48 +0000)
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>
Mon, 29 Nov 2021 12:23:14 +0000 (13:23 +0100)
commit1804eba4eb613c6125260c320d98d21035fcae70
treef0c162450a0ee8cb9c1cde6f1ed0a7d0ca780802
parent6c0adaf907775578868812197a06785de8b262e3
media: imx290: mark read reg function as __always_unused

Such function is currently unused, but could be needed in the
future. So, keep it, marking it as __always_unused, in order to
avoid a clang W=1 error.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
drivers/media/i2c/imx290.c