We'll use this macro in coming patches extensively. Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@xxxxxxxxxxxx> --- arch/arc/kernel/setup.c | 29 ++++++++++++++++------------- 1 file changed, 16 insertions(+), 13 deletions(-) diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index 7ee89dc61f6e..edb55b6ee278 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -389,11 +389,23 @@ static char *arc_extn_mumbojumbo(int cpu_id, char *buf, int len) return buf; } +static void chk_opt_strict(char *opt_name, bool hw_exists, bool opt_ena) +{ + if (hw_exists && !opt_ena) + pr_warn(" ! Enable %s for working apps\n", opt_name); + else if (!hw_exists && opt_ena) + panic("Disable %s, hardware NOT present\n", opt_name); +} + +#define CHK_OPT_STRICT(opt_name, hw_exists) \ +({ \ + chk_opt_strict(#opt_name, hw_exists, IS_ENABLED(opt_name)); \ +}) + static void arc_chk_core_config(void) { struct cpuinfo_arc *cpu = &cpuinfo_arc700[smp_processor_id()]; - int saved = 0, present = 0; - char *opt_nm = NULL; + int present = 0; if (!cpu->extn.timer0) panic("Timer0 is not present!\n"); @@ -425,23 +437,14 @@ static void arc_chk_core_config(void) */ if (is_isa_arcompact()) { - opt_nm = "CONFIG_ARC_FPU_SAVE_RESTORE"; - saved = IS_ENABLED(CONFIG_ARC_FPU_SAVE_RESTORE); - /* only DPDP checked since SP has no arch visible regs */ present = cpu->extn.fpu_dp; + CHK_OPT_STRICT(CONFIG_ARC_FPU_SAVE_RESTORE, present); } else { - opt_nm = "CONFIG_ARC_HAS_ACCL_REGS"; - saved = IS_ENABLED(CONFIG_ARC_HAS_ACCL_REGS); - /* Accumulator Low:High pair (r58:59) present if DSP MPY or FPU */ present = cpu->extn_mpy.dsp | cpu->extn.fpu_sp | cpu->extn.fpu_dp; + CHK_OPT_STRICT(CONFIG_ARC_HAS_ACCL_REGS, present); } - - if (present && !saved) - pr_warn("Enable %s for working apps\n", opt_nm); - else if (!present && saved) - panic("Disable %s, hardware NOT present\n", opt_nm); } /* -- 2.21.0 _______________________________________________ linux-snps-arc mailing list linux-snps-arc@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-snps-arc