[frank-w-bpi-r2-4.14:5.5-r64-netnext 4/9] drivers/net/dsa/mt7530.c:2145:6: sparse: sparse: symbol 'mt7531_sgmii_restart_an' was not declared. Should it be static?

[frank-w-bpi-r2-4.14:5.5-r64-netnext 4/9] drivers/net/dsa/mt7530.c:2145:6: sparse: sparse: symbol 'mt7531_sgmii_restart_an' was not declared. Should it be static?

[kbuild test robot]

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tree:   https://github.com/frank-w/BPI-R2-4.14 5.5-r64-netnext
head:   8279c8de4a1954659b5cc71872ab0fe86d862bb2
commit: 604beb561a7430968f56a835dce6e6b8c2f09253 [4/9] net: dsa: mt7530: Add the support of MT7531 switch
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-101-g82dee2e-dirty
        git checkout 604beb561a7430968f56a835dce6e6b8c2f09253
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)

>> drivers/net/dsa/mt7530.c:2145:6: sparse: sparse: symbol 'mt7531_sgmii_restart_an' was not declared. Should it be static?

Please review and possibly fold the followup patch.

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org Intel Corporation

[RFC PATCH frank-w-bpi-r2-4.14] net: dsa: mt7530: mt7531_sgmii_restart_an() can be static

[kbuild test robot]

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Fixes: 604beb561a74 ("net: dsa: mt7530: Add the support of MT7531 switch")
Signed-off-by: kbuild test robot <lkp@intel.com>
---
 mt7530.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 4bee04d75b496..34a30e5fe48ec 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -2142,7 +2142,7 @@ static void mt753x_phylink_mac_config(struct dsa_switch *ds, int port,
 		mt7530_write(priv, MT7530_PMCR_P(port), mcr_new);
 }
 
-void mt7531_sgmii_restart_an(struct dsa_switch *ds, int port)
+static void mt7531_sgmii_restart_an(struct dsa_switch *ds, int port)
 {
 	struct mt7530_priv *priv = ds->priv;
 	u32 val;