Re: [PATCH] ARC: Don't check presense of Timer1 in SMP builds

From: Vineet Gupta
Date: Tue Feb 13 2018 - 14:53:39 EST


On 02/13/2018 11:35 AM, Alexey Brodkin wrote:
In case of SMP we use GFRC from ARconnect and Timer1 is left
untouched. Still with that check in place we're panicing if Timer1
is missing in current hardware which is quite unexpected.

Signed-off-by: Alexey Brodkin <abrodkin@xxxxxxxxxxxx>
---
arch/arc/kernel/setup.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index cf97f7d88934..1142d76a7e8f 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -391,8 +391,10 @@ static void arc_chk_core_config(void)
if (!cpu->extn.timer0)
panic("Timer0 is not present!\n");
+#ifndef CONFIG_SMP
if (!cpu->extn.timer1)
panic("Timer1 is not present!\n");
+#endif

Curious, you have a config w/o TIMER1, so is this a fallout of recent discussions !

-Vineet