net: ethernet: stmmac: drop unused variable in stm32mp1_set_mode()
Building with W=1 (cf.scripts/Makefile.extrawarn) outputs: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable] Drop the unused 'ret' variable. Signed-off-by: Christophe Roullier <christophe.roullier@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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