ARC: shrink cpuinfo by not saving full timer BCR

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

1 files changed, 12 insertions, 7 deletions

diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index e1b87444ea9a..7f0a3cb300a8 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -45,6 +45,7 @@ struct cpuinfo_arc cpuinfo_arc700[NR_CPUS];
 static void read_arc_build_cfg_regs(void)
 {
         struct bcr_perip uncached_space;
+        struct bcr_timer timer;
         struct bcr_generic bcr;
         struct cpuinfo_arc *cpu = &cpuinfo_arc700[smp_processor_id()];
         unsigned long perip_space;
@@ -53,7 +54,11 @@ static void read_arc_build_cfg_regs(void)
         READ_BCR(AUX_IDENTITY, cpu->core);
         READ_BCR(ARC_REG_ISA_CFG_BCR, cpu->isa);
 
-        READ_BCR(ARC_REG_TIMERS_BCR, cpu->timers);
+        READ_BCR(ARC_REG_TIMERS_BCR, timer);
+        cpu->extn.timer0 = timer.t0;
+        cpu->extn.timer1 = timer.t1;
+        cpu->extn.rtc = timer.rtc;
+
         cpu->vec_base = read_aux_reg(AUX_INTR_VEC_BASE);
 
         READ_BCR(ARC_REG_D_UNCACH_BCR, uncached_space);
@@ -208,9 +213,9 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len)
                        (unsigned int)(arc_get_core_freq() / 10000) % 100);
 
         n += scnprintf(buf + n, len - n, "Timers\t\t: %s%s%s%s\nISA Extn\t: ",
-                       IS_AVAIL1(cpu->timers.t0, "Timer0 "),
-                       IS_AVAIL1(cpu->timers.t1, "Timer1 "),
-                       IS_AVAIL2(cpu->timers.rtc, "64-bit RTC ",
+                       IS_AVAIL1(cpu->extn.timer0, "Timer0 "),
+                       IS_AVAIL1(cpu->extn.timer1, "Timer1 "),
+                       IS_AVAIL2(cpu->extn.rtc, "Local-64-bit-Ctr ",
                                  CONFIG_ARC_HAS_RTC));
 
         n += i = scnprintf(buf + n, len - n, "%s%s%s%s%s",
@@ -293,13 +298,13 @@ static void arc_chk_core_config(void)
         struct cpuinfo_arc *cpu = &cpuinfo_arc700[smp_processor_id()];
         int fpu_enabled;
 
-        if (!cpu->timers.t0)
+        if (!cpu->extn.timer0)
                 panic("Timer0 is not present!\n");
 
-        if (!cpu->timers.t1)
+        if (!cpu->extn.timer1)
                 panic("Timer1 is not present!\n");
 
-        if (IS_ENABLED(CONFIG_ARC_HAS_RTC) && !cpu->timers.rtc)
+        if (IS_ENABLED(CONFIG_ARC_HAS_RTC) && !cpu->extn.rtc)
                 panic("RTC is not present\n");
 
 #ifdef CONFIG_ARC_HAS_DCCM