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Message-ID: <20240702185557.3699991-2-leitao@debian.org>
Date: Tue, 2 Jul 2024 11:55:51 -0700
From: Breno Leitao <leitao@...ian.org>
To: kuba@...nel.org,
horia.geanta@....com,
pankaj.gupta@....com,
gaurav.jain@....com,
linux-crypto@...r.kernel.org,
Herbert Xu <herbert@...dor.apana.org.au>,
"David S. Miller" <davem@...emloft.net>
Cc: horms@...nel.org,
netdev@...r.kernel.org,
linux-kernel@...r.kernel.org,
kernel test robot <lkp@...el.com>
Subject: [PATCH net-next v3 1/4] crypto: caam: Avoid unused imx8m_machine_match variable
If caam module is built without OF support, the compiler returns the
following warning:
drivers/crypto/caam/ctrl.c:83:34: warning: 'imx8m_machine_match' defined but not used [-Wunused-const-variable=]
imx8m_machine_match is only referenced by of_match_node(), which is set
to NULL if CONFIG_OF is not set, as of commit 5762c20593b6b ("dt: Add
empty of_match_node() macro"):
#define of_match_node(_matches, _node) NULL
Do not create imx8m_machine_match if CONFIG_OF is not set.
Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202407011309.cpTuOGdg-lkp@intel.com/
Suggested-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Breno Leitao <leitao@...ian.org>
---
drivers/crypto/caam/ctrl.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index bd418dea586d..d4b39184dbdb 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -80,6 +80,7 @@ static void build_deinstantiation_desc(u32 *desc, int handle)
append_jump(desc, JUMP_CLASS_CLASS1 | JUMP_TYPE_HALT);
}
+#ifdef CONFIG_OF
static const struct of_device_id imx8m_machine_match[] = {
{ .compatible = "fsl,imx8mm", },
{ .compatible = "fsl,imx8mn", },
@@ -88,6 +89,7 @@ static const struct of_device_id imx8m_machine_match[] = {
{ .compatible = "fsl,imx8ulp", },
{ }
};
+#endif
/*
* run_descriptor_deco0 - runs a descriptor on DECO0, under direct control of
--
2.43.0
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