OMAP3+: VP: create VP helper function for updating error gain

Create new helper function in VP layer for updating VP error gain.
Currently used during pre-scale for VP force update and VC bypass.

TODO: determine if this can be removed from the pre-scale path and
moved to VP enable path.

Signed-off-by: Kevin Hilman <khilman@ti.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/vp.h b/arch/arm/mach-omap2/vp.h
index 1cfde5a55f9b..bb4c78e0c26f 100644
--- a/arch/arm/mach-omap2/vp.h
+++ b/arch/arm/mach-omap2/vp.h
@@ -149,5 +149,7 @@ void omap_vp_disable(struct voltagedomain *voltdm);
 unsigned long omap_vp_get_curr_volt(struct voltagedomain *voltdm);
 int omap_vp_forceupdate_scale(struct voltagedomain *voltdm,
                               unsigned long target_volt);
+int omap_vp_update_errorgain(struct voltagedomain *voltdm,
+                             unsigned long target_volt);
 
 #endif