[PATCH 1/3] ram: rk3399: Fix .set_rate_index() error handling

[Kever Yang]

On 2022/6/21 18:07, Lee Jones wrote:
> Functions pointed to by this op pointer can return non-zero values
> indicating an error.  Ensure any error value is propagated back up the
> call-chain.
>
> Signed-off-by: Lee Jones <lee.jones at linaro.org>

Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   drivers/ram/rockchip/sdram_rk3399.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c
> index c0a06dcaed..0af0fa9e7b 100644
> --- a/drivers/ram/rockchip/sdram_rk3399.c
> +++ b/drivers/ram/rockchip/sdram_rk3399.c
> @@ -3005,7 +3005,9 @@ static int sdram_init(struct dram_info *dram,
>   	params->base.stride = calculate_stride(params);
>   	dram_all_config(dram, params);
>   
> -	dram->ops->set_rate_index(dram, params);
> +	ret = dram->ops->set_rate_index(dram, params);
> +	if (ret)
> +		return ret;
>   
>   	debug("Finish SDRAM initialization...\n");
>   	return 0;