linux-kernel - [PATCH 2/2] ARM: l2c: highbank: Add dummy configure function

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Date:	Tue, 12 May 2015 09:39:15 +0200
From:	Sjoerd Simons <sjoerd.simons@...labora.co.uk>
To:	Rob Herring <robh@...nel.org>,
	Russell King <linux@....linux.org.uk>,
	Tony Lindgren <tony@...mide.com>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
Subject: [PATCH 2/2] ARM: l2c: highbank: Add dummy configure function

Add empty configure function for the highbank l2c to reflect that the
cache can't be confured through a SMC. This prevent a useless
WARN_ONCE during early boot.

Signed-off-by: Sjoerd Simons <sjoerd.simons@...labora.co.uk>
---
 arch/arm/mach-highbank/highbank.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c
index 231fba0..623eb5e8 100644
--- a/arch/arm/mach-highbank/highbank.c
+++ b/arch/arm/mach-highbank/highbank.c
@@ -60,12 +60,20 @@ static void highbank_l2c310_write_sec(unsigned long val, unsigned reg)
 			  reg);
 }
 
+static void highbank_l2c310_configure(const struct l2x0_regs *regs)
+{
+}
+
 static void __init highbank_init_irq(void)
 {
 	irqchip_init();
 
 	if (of_find_compatible_node(NULL, NULL, "arm,cortex-a9"))
 		highbank_scu_map_io();
+
+	if (IS_ENABLED(CONFIG_CACHE_L2X0)) {
+		outer_cache.configure = highbank_l2c310_configure;
+	}
 }
 
 static void highbank_power_off(void)
-- 
2.1.4

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