[PM-WIP-OPP] cleaner ceil function for uv to vsel conversion

Commit Message

Dasgupta, Romit Jan. 11, 2010, 5:53 a.m. UTC

None

Patch

diff --git a/arch/arm/plat-omap/opp_twl_tps.c b/arch/arm/plat-omap/opp_twl_tps.c
index e0db39b..1caa414 100644
--- a/arch/arm/plat-omap/opp_twl_tps.c
+++ b/arch/arm/plat-omap/opp_twl_tps.c
@@ -36,14 +36,7 @@  unsigned long omap_twl_vsel_to_uv(const u8 vsel)
  */
 u8 omap_twl_uv_to_vsel(unsigned long uv)
 {
-	u8 vsel;
 
-	vsel = ((uv / 100) - 6000) / 125;
+	return (((uv + 99) / 100 - 6000) + 124) / 125;
 
-	/* round off to higher voltage */
-	/* XXX Surely not the best way to handle this. */
-	if (uv > omap_twl_vsel_to_uv(vsel))
-		vsel++;
-
-	return vsel;
 }