They're u32, they're not unsigned long.  The UL suffix is not required
here.
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
 
 static void __init bcm5301x_dt_init(void)
 {
-       l2x0_of_init(0, ~0UL);
+       l2x0_of_init(0, ~0);
        of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 }
 
 
        if (IS_ENABLED(CONFIG_CACHE_L2X0) &&
            of_find_compatible_node(NULL, NULL, "arm,pl310-cache")) {
                highbank_smc1(0x102, 0x1);
-               l2x0_of_init(0, ~0UL);
+               l2x0_of_init(0, ~0);
                outer_cache.disable = highbank_l2x0_disable;
        }
 }
 
 
 static void __init vf610_init_irq(void)
 {
-       l2x0_of_init(0, ~0UL);
+       l2x0_of_init(0, ~0);
        irqchip_init();
 }
 
 
        of_node_put(np);
 
 out:
-       l2x0_of_init(0, ~0UL);
+       l2x0_of_init(0, ~0);
 }
 #endif
 
        coherency_init();
        BUG_ON(mvebu_mbus_dt_init());
 #ifdef CONFIG_CACHE_L2X0
-       l2x0_of_init(0, ~0UL);
+       l2x0_of_init(0, ~0);
 #endif
 
        if (of_machine_is_compatible("marvell,armada375"))
 
 
 static void __init rockchip_dt_init(void)
 {
-       l2x0_of_init(0, ~0UL);
+       l2x0_of_init(0, ~0);
        of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 }
 
 
 
 static void __init socfpga_cyclone5_init(void)
 {
-       l2x0_of_init(0, ~0UL);
+       l2x0_of_init(0, ~0);
        of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 }