[PATCH 5/5] ARC: SMP: No need for CONFIG_ARC_IPI_DBG

[Vineet Gupta]

This was more relevant during SMP bringup.

The warning for bogus msg better be visible always.

Signed-off-by: Vineet Gupta <vgu...@synopsys.com>
---
 arch/arc/Kconfig       | 8 --------
 arch/arc/kernel/mcip.c | 9 +--------
 arch/arc/kernel/smp.c  | 3 ---
 3 files changed, 1 insertion(+), 19 deletions(-)

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 4abc81907071..8a188bc1786a 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -532,14 +532,6 @@ config ARC_DBG_TLB_MISS_COUNT
          Counts number of I and D TLB Misses and exports them via Debugfs
          The counters can be cleared via Debugfs as well
 
-if SMP
-
-config ARC_IPI_DBG
-       bool "Debug Inter Core interrupts"
-       default n
-
-endif
-
 endif
 
 config ARC_UBOOT_SUPPORT
diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c
index 7afc3c703ed1..7b4af70ffd18 100644
--- a/arch/arc/kernel/mcip.c
+++ b/arch/arc/kernel/mcip.c
@@ -65,7 +65,6 @@ static void mcip_ipi_clear(int irq)
 {
        unsigned int cpu, c;
        unsigned long flags;
-       unsigned int __maybe_unused copy;
 
        if (unlikely(irq == SOFTIRQ_IRQ)) {
                arc_softirq_clear(irq);
@@ -77,7 +76,7 @@ static void mcip_ipi_clear(int irq)
        /* Who sent the IPI */
        __mcip_cmd(CMD_INTRPT_CHECK_SOURCE, 0);
 
-       copy = cpu = read_aux_reg(ARC_REG_MCIP_READBACK);       /* 1,2,4,8... */
+       cpu = read_aux_reg(ARC_REG_MCIP_READBACK);      /* 1,2,4,8... */
 
        /*
         * In rare case, multiple concurrent IPIs sent to same target can
@@ -91,12 +90,6 @@ static void mcip_ipi_clear(int irq)
        } while (cpu);
 
        raw_spin_unlock_irqrestore(&mcip_lock, flags);
-
-#ifdef CONFIG_ARC_IPI_DBG
-       if (c != __ffs(copy))
-               pr_info("IPIs from %x coalesced to %x\n",
-                       copy, raw_smp_processor_id());
-#endif
 }
 
 static void mcip_probe_n_setup(void)
diff --git a/arch/arc/kernel/smp.c b/arch/arc/kernel/smp.c
index ef6e9e15b82a..424e937da5c8 100644
--- a/arch/arc/kernel/smp.c
+++ b/arch/arc/kernel/smp.c
@@ -336,11 +336,8 @@ irqreturn_t do_IPI(int irq, void *dev_id)
                int rc;
 
                rc = __do_IPI(msg);
-#ifdef CONFIG_ARC_IPI_DBG
-               /* IPI received but no valid @msg */
                if (rc)
                        pr_info("IPI with bogus msg %ld in %ld\n", msg, copy);
-#endif
                pending &= ~(1U << msg);
        } while (pending);
 
-- 
2.5.0