Re: [PATCH 1/6] ARM: tegra: fuse: add functions to read speedo ID and process ID

Stephen Warren
2013-12-19T23:09:09Z

On 12/19/2013 05:36 AM, Paul Walmsley wrote:
> From: Danny Huang <dahuang-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
>
> Add functions to read the speedo and process id of both the CPU and the SoC.
> There might be some drivers need the information as well.

> diff --git a/arch/arm/mach-tegra/fuse.c b/arch/arm/mach-tegra/fuse.c

> +int tegra_get_cpu_process_id(void)
> +{
> + return tegra_cpu_process_id;
> +}
> +EXPORT_SYMBOL(tegra_get_cpu_process_id);
> +
> +int tegra_get_cpu_speedo_id(void)
> +{
> + if (tegra_chip_id == TEGRA20)
> + return -EINVAL;
> +
> + return tegra_cpu_speedo_id;
> +}

Olof specifically went through the code and removed such functions in
the past. He argued that consumers of this data should just read those
tegra_cpu_process_id/... variables directly instead.