[U-Boot] [PATCH] arm: socfpga: Fix delay in freeze controller

[Dinh Nguyen]

On 8/10/15 6:00 PM, Marek Vasut wrote:
> Based on observation, this udelay(20) was apparently too high and caused
> subsequent failure to calibrate DDR when U-Boot was compiled with certain
> toolchains. Lowering this delay fixed the problem.
> 
> Instead of permanently lowering the delay, calculate the correct delay
> based on the original comment, that is, obtain EOSC1 frequency and use
> it to calculate the precise delay.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>
> ---
>  arch/arm/mach-socfpga/freeze_controller.c | 12 +++++-------
>  1 file changed, 5 insertions(+), 7 deletions(-)
> 
> diff --git a/arch/arm/mach-socfpga/freeze_controller.c b/arch/arm/mach-socfpga/freeze_controller.c
> index 0be643c..2b16795 100644
> --- a/arch/arm/mach-socfpga/freeze_controller.c
> +++ b/arch/arm/mach-socfpga/freeze_controller.c
> @@ -7,8 +7,8 @@
>  

Acked-by: Dinh Nguyen <dinguyen at opensource.altera.com>

Thanks,
Dinh