Roger Quadros <[email protected]> writes:
> Prevent SmartReflex driver driver from loading if OPP tables are
> not defined by platform. This removes possibility of NULL pointer
> reference in SmartReflex driver code.
>
> Signed-off-by: Roger Quadros <[email protected]>
Thanks, pushing to PM branch.
Kevin
> ---
> arch/arm/mach-omap2/smartreflex.c | 6 ++++++
> 1 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/smartreflex.c
> b/arch/arm/mach-omap2/smartreflex.c
> index b032366..4823ce8 100644
> --- a/arch/arm/mach-omap2/smartreflex.c
> +++ b/arch/arm/mach-omap2/smartreflex.c
> @@ -852,6 +852,12 @@ static int __init omap3_sr_init(void)
> int ret = 0;
> u8 RdReg;
>
> + /* Exit if OPP tables are not defined */
> + if (!(mpu_opps && l3_opps)) {
> + pr_err("SR: OPP rate tables not defined for platform, not
> enabling SmartReflex\n");
> + return -ENODEV;
> + }
> +
> /* Enable SR on T2 */
> ret = twl4030_i2c_read_u8(TWL4030_MODULE_PM_RECEIVER, &RdReg,
> R_DCDC_GLOBAL_CFG);
> --
> 1.6.0.4
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