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Subject[PATCH 2/3] ARC: mcip: setup MCIP debug mask according to cpu possible mask
Date
Setup MCIP debug mask according cpu possible mask instead of
use hardcoded one.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
---
arch/arc/kernel/mcip.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c
index e87a4ea..da73258 100644
--- a/arch/arc/kernel/mcip.c
+++ b/arch/arc/kernel/mcip.c
@@ -112,6 +112,7 @@ static void mcip_ipi_clear(int irq)
static void mcip_probe_n_setup(void)
{
struct mcip_bcr mp;
+ u32 i, mcip_mask = 0;

READ_BCR(ARC_REG_MCIP_BCR, mp);

@@ -126,8 +127,16 @@ static void mcip_probe_n_setup(void)
cpuinfo_arc700[0].extn.gfrc = mp.gfrc;

if (mp.dbg) {
- __mcip_cmd_data(CMD_DEBUG_SET_SELECT, 0, 0xf);
- __mcip_cmd_data(CMD_DEBUG_SET_MASK, 0xf, 0xf);
+ for_each_possible_cpu(i)
+ mcip_mask |= BIT(i);
+
+ __mcip_cmd_data(CMD_DEBUG_SET_SELECT, 0, mcip_mask);
+ /*
+ * Parameter specified halt cause:
+ * STATUS32[H]/actionpoint/breakpoint/self-halt
+ * We choose all of them (0xF).
+ */
+ __mcip_cmd_data(CMD_DEBUG_SET_MASK, 0xF, mcip_mask);
}
}

--
2.9.3
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