#include <linux/list.h>
#include <linux/errno.h>
#include <linux/string.h>
+#include "cm2xxx_3xxx.h"
+#include "prcm44xx.h"
+#include "cm44xx.h"
+#include "prm2xxx_3xxx.h"
+#include "prm44xx.h"
#include <plat/cpu.h>
-#include <plat/powerdomain.h>
-#include <plat/clockdomain.h>
+#include "powerdomain.h"
+#include "clockdomain.h"
#include <plat/prcm.h>
#include "pm.h"
{
int i;
- if (!pwrdm)
+ if (!pwrdm || !pwrdm->name)
return -EINVAL;
if (!omap_chip_is(pwrdm->omap_chip))
return -EINVAL;
+ if (cpu_is_omap44xx() &&
+ pwrdm->prcm_partition == OMAP4430_INVALID_PRCM_PARTITION) {
+ pr_err("powerdomain: %s: missing OMAP4 PRCM partition ID\n",
+ pwrdm->name);
+ return -EINVAL;
+ }
+
if (_pwrdm_lookup(pwrdm->name))
return -EEXIST;
pwrdm_for_each(_pwrdm_post_transition_cb, NULL);
return 0;
}
+
+/**
+ * pwrdm_get_context_loss_count - get powerdomain's context loss count
+ * @pwrdm: struct powerdomain * to wait for
+ *
+ * Context loss count is the sum of powerdomain off-mode counter, the
+ * logic off counter and the per-bank memory off counter. Returns 0
+ * (and WARNs) upon error, otherwise, returns the context loss count.
+ */
+u32 pwrdm_get_context_loss_count(struct powerdomain *pwrdm)
+{
+ int i, count;
+
+ if (!pwrdm) {
+ WARN(1, "powerdomain: %s: pwrdm is null\n", __func__);
+ return 0;
+ }
+
+ count = pwrdm->state_counter[PWRDM_POWER_OFF];
+ count += pwrdm->ret_logic_off_counter;
+
+ for (i = 0; i < pwrdm->banks; i++)
+ count += pwrdm->ret_mem_off_counter[i];
+
+ pr_debug("powerdomain: %s: context loss count = %u\n",
+ pwrdm->name, count);
+
+ return count;
+}