From: Vineet Gupta Date: Thu, 16 Apr 2015 14:19:12 +0000 (+0530) Subject: ARC: uncached base is hard constant for ARC, don't save it X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=10d11e580c50f8a6718a58f92198dbc031e63b0a;p=deliverable%2Flinux.git ARC: uncached base is hard constant for ARC, don't save it ioremap already uses the hard define, just make sure BCR value matches that Signed-off-by: Vineet Gupta --- diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h index 3ab66fcd9df1..336a9f694c2e 100644 --- a/arch/arc/include/asm/arcregs.h +++ b/arch/arc/include/asm/arcregs.h @@ -320,7 +320,6 @@ struct cpuinfo_arc { struct bcr_isa isa; struct bcr_timer timers; unsigned int vec_base; - unsigned int uncached_base; struct cpuinfo_arc_ccm iccm, dccm; struct { unsigned int swap:1, norm:1, minmax:1, barrel:1, crc:1, pad1:3, diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index c6e8b72ff293..96d44805ea56 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -54,7 +54,7 @@ static void read_arc_build_cfg_regs(void) cpu->vec_base = read_aux_reg(AUX_INTR_VEC_BASE); READ_BCR(ARC_REG_D_UNCACH_BCR, uncached_space); - cpu->uncached_base = uncached_space.start << 24; + BUG_ON((uncached_space.start << 24) != ARC_UNCACHED_ADDR_SPACE); READ_BCR(ARC_REG_MUL_BCR, cpu->extn_mpy); @@ -218,7 +218,7 @@ static char *arc_extn_mumbojumbo(int cpu_id, char *buf, int len) n += scnprintf(buf + n, len - n, "Vector Table\t: %#x\nUncached Base\t: %#x\n", - cpu->vec_base, cpu->uncached_base); + cpu->vec_base, ARC_UNCACHED_ADDR_SPACE); if (cpu->extn.fpu_sp || cpu->extn.fpu_dp) n += scnprintf(buf + n, len - n, "FPU\t\t: %s%s\n",