4 files changed, 60 insertions, 1 deletions

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 947cafe65aef..d88788facf52 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -8,7 +8,7 @@ obj-y := id.o io.o control.o mux.o devices.o fb.o serial.o gpmc.o timer.o pm.o \
          omap_device.o sram.o
 
 omap-2-3-common                         = irq.o
-hwmod-common                            = omap_hwmod.o \
+hwmod-common                            = omap_hwmod.o omap_hwmod_reset.o \
                                           omap_hwmod_common_data.o
 clock-common                            = clock.o clock_common_data.o \
                                           clkt_dpll.o clkt_clksel.o
diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h
index 41066b4b7a7b..6ec73cbc30c4 100644
--- a/arch/arm/mach-omap2/omap_hwmod.h
+++ b/arch/arm/mach-omap2/omap_hwmod.h
@@ -673,6 +673,12 @@ extern void __init omap_hwmod_init(void);
 const char *omap_hwmod_get_main_clk(struct omap_hwmod *oh);
 
 /*
+ *
+ */
+
+extern int omap_hwmod_aess_preprogram(struct omap_hwmod *oh);
+
+/*
  * Chip variant-specific hwmod init routines - XXX should be converted
  * to use initcalls once the initial boot ordering is straightened out
  */
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 793f54ac7d14..c9c251e23147 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -322,6 +322,7 @@ static struct omap_hwmod_class_sysconfig omap44xx_aess_sysc = {
 static struct omap_hwmod_class omap44xx_aess_hwmod_class = {
         .name   = "aess",
         .sysc   = &omap44xx_aess_sysc,
+        .enable_preprogram = omap_hwmod_aess_preprogram,
 };
 
 /* aess */
diff --git a/arch/arm/mach-omap2/omap_hwmod_reset.c b/arch/arm/mach-omap2/omap_hwmod_reset.c
new file mode 100644
index 000000000000..bba43fa627d3
--- /dev/null
+++ b/arch/arm/mach-omap2/omap_hwmod_reset.c
@@ -0,0 +1,52 @@
+/*
+ * OMAP IP block custom reset and preprogramming stubs
+ *
+ * Copyright (C) 2012 Texas Instruments, Inc.
+ * Paul Walmsley
+ *
+ * A small number of IP blocks need custom reset and preprogramming
+ * functions.  The stubs in this file provide a standard way for the
+ * hwmod code to call these functions, which are to be located under
+ * drivers/.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+#include <linux/kernel.h>
+
+#include <sound/aess.h>
+
+#include "omap_hwmod.h"
+
+/**
+ * omap_hwmod_aess_preprogram - enable AESS internal autogating
+ * @oh: struct omap_hwmod *
+ *
+ * The AESS will not IdleAck to the PRCM until its internal autogating
+ * is enabled.  Since internal autogating is disabled by default after
+ * AESS reset, we must enable autogating after the hwmod code resets
+ * the AESS.  Returns 0.
+ */
+int omap_hwmod_aess_preprogram(struct omap_hwmod *oh)
+{
+        void __iomem *va;
+
+        va = omap_hwmod_get_mpu_rt_va(oh);
+        if (!va)
+                return -EINVAL;
+
+        aess_enable_autogating(va);
+
+        return 0;
+}