fu.wei@linaro.org wrote:

+static struct platform_driver sbsa_gwdt_driver = {
+	.driver = {
+		.name = "sbsa-gwdt",
+		.pm = &sbsa_gwdt_pm_ops,
+		.of_match_table = sbsa_gwdt_of_match,
+	},
+	.probe = sbsa_gwdt_probe,
+	.remove = sbsa_gwdt_remove,
+	.shutdown = sbsa_gwdt_shutdown,
+	.id_table = sbsa_gwdt_pdev_match,
+};

I just noticed you dropped ACPI support.  Server platforms are supposed 
to use ACPI, so that seems like a critical omission to me.  You had a 
GTDT parser in an older version of this patch.  What happened to it?