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-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 30657b7c3e33..ffe7a69cd17f 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -2055,6 +2055,23 @@ static int _omap4_get_context_lost(struct omap_hwmod *oh)
}
/**
+ * _enable_preprogram - Pre-program an IP block during the _enable() process
+ * @oh: struct omap_hwmod *
+ *
+ * Some IP blocks (such as AESS) require some additional programming
+ * after enable before they can enter idle. If a function pointer to
+ * do so is present in the hwmod data, then call it and pass along the
+ * return value; otherwise, return 0.
+ */
+static int __init _enable_preprogram(struct omap_hwmod *oh)
+{
+ if (!oh->class->enable_preprogram)
+ return 0;
+
+ return oh->class->enable_preprogram(oh);
+}
+
+/**
* _enable - enable an omap_hwmod
* @oh: struct omap_hwmod *
*
@@ -2160,6 +2177,7 @@ static int _enable(struct omap_hwmod *oh)
_update_sysc_cache(oh);
_enable_sysc(oh);
}
+ r = _enable_preprogram(oh);
} else {
if (soc_ops.disable_module)
soc_ops.disable_module(oh);
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