[making Cc list a bit more comprehensive] On 12.02.2014 13:01, Tushar Behera wrote:
Currently only the DT node is checked during l2x0 cache initialization, but it doesn't check the status of the DT node. Thus it gets called even if the status of DT node for L2 controller is disabled. Add explicit check to ensure that L2 cache is initialized only for desired boards. Reported-by: Tomasz Figa <t.figa@xxxxxxxxxxx> Signed-off-by: Tushar Behera <tushar.behera@xxxxxxxxxx> --- arch/arm/mm/cache-l2x0.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 7abde2c..f075cb1 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -978,6 +978,9 @@ int __init l2x0_of_init(u32 aux_val, u32 aux_mask) if (!np) return -ENODEV; + if (!of_device_is_available(np)) + return -ENODEV; + if (of_address_to_resource(np, 0, &res)) return -ENODEV;
Reviewed-by: Tomasz Figa <t.figa@xxxxxxxxxxx> Best regards, Tomasz -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html