1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c
index 9db1bd279f8e..7498bc77fe8b 100644
--- a/arch/arm/mach-omap2/prm44xx.c
+++ b/arch/arm/mach-omap2/prm44xx.c
@@ -346,6 +346,37 @@ static u32 omap44xx_prm_read_reset_sources(void)
 	return r;
 }
 
+/**
+ * omap44xx_prm_was_any_context_lost_old - was module hardware context lost?
+ * @part: PRM partition ID (e.g., OMAP4430_PRM_PARTITION)
+ * @inst: PRM instance offset (e.g., OMAP4430_PRM_MPU_INST)
+ * @idx: CONTEXT register offset
+ *
+ * Return 1 if any bits were set in the *_CONTEXT_* register
+ * identified by (@part, @inst, @idx), which means that some context
+ * was lost for that module; otherwise, return 0.
+ */
+static bool omap44xx_prm_was_any_context_lost_old(u8 part, s16 inst, u16 idx)
+{
+	return (omap4_prminst_read_inst_reg(part, inst, idx)) ? 1 : 0;
+}
+
+/**
+ * omap44xx_prm_clear_context_lost_flags_old - clear context loss flags
+ * @part: PRM partition ID (e.g., OMAP4430_PRM_PARTITION)
+ * @inst: PRM instance offset (e.g., OMAP4430_PRM_MPU_INST)
+ * @idx: CONTEXT register offset
+ *
+ * Clear hardware context loss bits for the module identified by
+ * (@part, @inst, @idx).  No return value.  XXX Writes to reserved bits;
+ * is there a way to avoid this?
+ */
+static void omap44xx_prm_clear_context_loss_flags_old(u8 part, s16 inst,
+						      u16 idx)
+{
+	omap4_prminst_write_inst_reg(0xffffffff, part, inst, idx);
+}
+
 /* Powerdomain low-level functions */
 
 static int omap4_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst)
@@ -613,6 +644,8 @@ struct pwrdm_ops omap4_pwrdm_operations = {
  */
 static struct prm_ll_data omap44xx_prm_ll_data = {
 	.read_reset_sources = &omap44xx_prm_read_reset_sources,
+	.was_any_context_lost_old = &omap44xx_prm_was_any_context_lost_old,
+	.clear_context_loss_flags_old = &omap44xx_prm_clear_context_loss_flags_old,
 };
 
 int __init omap44xx_prm_init(void)