[PATCH 44/97] ARM: l2c: highbank: implement new write_sec method
Russell King
rmk+kernel at arm.linux.org.uk
Mon Apr 28 12:29:56 PDT 2014
With the write_sec method, we no longer need to override the default L2C
disable method. This can be handled via the write_sec method instead.
Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
---
arch/arm/mach-highbank/highbank.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c
index 38e1dc3b4c6e..4712aed3d9f6 100644
--- a/arch/arm/mach-highbank/highbank.c
+++ b/arch/arm/mach-highbank/highbank.c
@@ -51,11 +51,13 @@ static void __init highbank_scu_map_io(void)
}
-static void highbank_l2x0_disable(void)
+static void highbank_l2c310_write_sec(unsigned long val, unsigned reg)
{
- outer_flush_all();
- /* Disable PL310 L2 Cache controller */
- highbank_smc1(0x102, 0x0);
+ if (reg == L2X0_CTRL)
+ highbank_smc1(0x102, val);
+ else
+ WARN_ONCE(1, "Highbank L2C310: ignoring write to reg 0x%x\n",
+ reg);
}
static void __init highbank_init_irq(void)
@@ -69,8 +71,8 @@ static void __init highbank_init_irq(void)
if (IS_ENABLED(CONFIG_CACHE_L2X0) &&
of_find_compatible_node(NULL, NULL, "arm,pl310-cache")) {
highbank_smc1(0x102, 0x1);
+ outer_cache.write_sec = highbank_l2c310_write_sec;
l2x0_of_init(0, ~0);
- outer_cache.disable = highbank_l2x0_disable;
}
}
--
1.8.3.1
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