Merge branch 'pm-hwmods' of ssh://master.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into omap-for-linus

1 files changed, 39 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 9bd4b3452453..5eb0b58b2e95 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -15,6 +15,7 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/clk.h>
+#include <linux/err.h>
 
 #include <mach/hardware.h>
 #include <mach/irqs.h>
@@ -28,6 +29,8 @@
 #include <mach/gpio.h>
 #include <plat/mmc.h>
 #include <plat/dma.h>
+#include <plat/omap_hwmod.h>
+#include <plat/omap_device.h>
 
 #include "mux.h"
 
@@ -930,3 +933,39 @@ static int __init omap2_init_devices(void)
         return 0;
 }
 arch_initcall(omap2_init_devices);
+
+#if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
+struct omap_device_pm_latency omap_wdt_latency[] = {
+        [0] = {
+                .deactivate_func = omap_device_idle_hwmods,
+                .activate_func   = omap_device_enable_hwmods,
+                .flags           = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
+        },
+};
+
+static int __init omap_init_wdt(void)
+{
+        int id = -1;
+        struct omap_device *od;
+        struct omap_hwmod *oh;
+        char *oh_name = "wd_timer2";
+        char *dev_name = "omap_wdt";
+
+        if (!cpu_class_is_omap2())
+                return 0;
+
+        oh = omap_hwmod_lookup(oh_name);
+        if (!oh) {
+                pr_err("Could not look up wd_timer%d hwmod\n", id);
+                return -EINVAL;
+        }
+
+        od = omap_device_build(dev_name, id, oh, NULL, 0,
+                                omap_wdt_latency,
+                                ARRAY_SIZE(omap_wdt_latency), 0);
+        WARN(IS_ERR(od), "Cant build omap_device for %s:%s.\n",
+                                dev_name, oh->name);
+        return 0;
+}
+subsys_initcall(omap_init_wdt);
+#endif