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| H A D | config.c | diff 7509c04afe930573c8f4ab6abda3743c2c184d66 Wed Sep 13 16:08:15 CEST 2023 Geert Uytterhoeven <geert@linux-m68k.org> m68k: apollo: Replace set but not used variable by READ_ONCE()
When building with W=1:
arch/m68k/apollo/config.c: In function ‘dn_timer_int’:
arch/m68k/apollo/config.c:171:32: warning: variable ‘x’ set but not used [-Wunused-but-set-variable]
149 | volatile unsigned char x;
| ^
Fix this by using READ_ONCE(), and removing the variable.
As READ_ONCE() casts to volatile internally, remove the existing cast.
Deduplicate the remaining casts by introducing an intermediary.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/d0299797d6bf747eca2da998c6c6256485a9f52e.1694613528.git.geert@linux-m68k.org
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