ARM: l2c: check that DT files specify the required "cache-unified" property
This is a required property, and should always be specified. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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@ -1364,6 +1364,10 @@ int __init l2x0_of_init(u32 aux_val, u32 aux_mask)
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data = of_match_node(l2x0_ids, np)->data;
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data = of_match_node(l2x0_ids, np)->data;
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/* All L2 caches are unified, so this property should be specified */
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if (!of_property_read_bool(np, "cache-unified"))
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pr_err("L2C: device tree omits to specify unified cache\n");
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/* L2 configuration can only be changed if the cache is disabled */
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/* L2 configuration can only be changed if the cache is disabled */
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if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN))
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if (!(readl_relaxed(l2x0_base + L2X0_CTRL) & L2X0_CTRL_EN))
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if (data->of_parse)
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if (data->of_parse)
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