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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-14 22:36:04 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-14 22:36:04 (GMT)
commit249f3c4fe4fdef159d3f9b3f7a6c41a92103c860 (patch)
tree58abfec8444741fd3bd403a908be50c4f63d4842 /arch/arc/kernel/setup.c
parent54573c4a073ff510d028f423ed3074573c7d9437 (diff)
parent18558cae0272f8fd9647e69d3fec1565a7949865 (diff)
downloadlinux-249f3c4fe4fdef159d3f9b3f7a6c41a92103c860.tar.xz
Merge 4.5-rc4 into tty-next
We want the fixes in here, and this resolves a merge error in tty_io.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arc/kernel/setup.c')
-rw-r--r--arch/arc/kernel/setup.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index e1b8744..a7edceb 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
@@ -334,6 +339,7 @@ static void arc_chk_core_config(void)
panic("FPU non-existent, disable CONFIG_ARC_FPU_SAVE_RESTORE\n");
if (is_isa_arcv2() && IS_ENABLED(CONFIG_SMP) && cpu->isa.atomic &&
+ IS_ENABLED(CONFIG_ARC_HAS_LLSC) &&
!IS_ENABLED(CONFIG_ARC_STAR_9000923308))
panic("llock/scond livelock workaround missing\n");
}