Hi,

This looks good to me, a few nits below

On 22/05/2015 at 00:16:47 +0800, Frank.Li at freescale.com wrote :

-	spin_unlock_irqrestore(&data->lock, flags);
+	regmap_update_bits(data->regmap, data->offset + SNVS_LPCR,
+			  (SNVS_LPCR_LPTA_EN | SNVS_LPCR_LPWUI_EN),

That line is not properly aligned (missing one space)

[...]

+	if (of_device_is_compatible(snvs_np, "syscon")) {
+		data->regmap = syscon_node_to_regmap(snvs_np);
+		data->offset = 0x34;
+	} else {
+		pr_warning("snvs rtc: you use old dts file, please update it\n");

This should be pr_warn()


-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com