linux-kernel - [PATCH 2/3] microblaze: intc: Refactor DT sanity check

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Date:	Fri, 19 Dec 2014 10:21:05 -0800
From:	Soren Brinkmann <soren.brinkmann@...inx.com>
To:	Michal Simek <michal.simek@...inx.com>
Cc:	linux-kernel@...r.kernel.org,
	Soren Brinkmann <soren.brinkmann@...inx.com>
Subject: [PATCH 2/3] microblaze: intc: Refactor DT sanity check

Avoid funky casts and arithmetic.

Signed-off-by: Soren Brinkmann <soren.brinkmann@...inx.com>
---
 arch/microblaze/kernel/intc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/microblaze/kernel/intc.c b/arch/microblaze/kernel/intc.c
index 01ae73088578..8965fd379570 100644
--- a/arch/microblaze/kernel/intc.c
+++ b/arch/microblaze/kernel/intc.c
@@ -157,7 +157,7 @@ static int __init xilinx_intc_of_init(struct device_node *intc,
 		return ret;
 	}
 
-	if (intr_mask > (u32)((1ULL << nr_irq) - 1))
+	if (intr_mask >> nr_irq)
 		pr_info(" ERROR: Mismatch in kind-of-intr param\n");
 
 	pr_info("%s: num_irq=%d, edge=0x%x\n",
-- 
2.2.0.1.g9ee0458

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