arch/mips/loongson64/env.c:50:14: warning: variable 'device' set but not used

h/mips/loongson64/env.c: In function 'prom_init_env': >> arch/mips/loongson64/env.c:50:14: warning: variable 'device' set but not >> used [-Wunused-but-set-variable] 50 | u16 vendor, device; | ^~ {standard input}: Assembler messages: {standard input}

arch/mips/loongson64/env.c:50:14: warning: variable 'device' set but not used

it_env': >> arch/mips/loongson64/env.c:50:14: warning: variable 'device' set but not >> used [-Wunused-but-set-variable] 50 | u16 vendor, device; | ^~ {standard input}: Assembler messages: {standard input}:654: Error: found '(', expected: ')' {standard