On Wed, Mar 21, 2012 at 01:05:26PM +0530, Venu Byravarasu wrote:

> @@ -30,6 +30,7 @@ obj-$(CONFIG_REGULATOR_MAX8925) += max8925-regulator.o
>  obj-$(CONFIG_REGULATOR_MAX8952) += max8952.o
>  obj-$(CONFIG_REGULATOR_MAX8997) += max8997.o
>  obj-$(CONFIG_REGULATOR_MAX8998) += max8998.o
> +obj-$(CONFIG_REGULATOR_TPS65090) += tps65090-regulator.o
>  obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o
>  obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o

This won't apply against current -next...

> +       rdev = regulator_register(&ri->desc, &pdev->dev,
> +                               &tps_pdata->regulator, ri);

...and won't build either.

Always submit against current development versions of the kernel.