Re: [PATCH 4/6] ARM: tegra: rework fuse.c

[Linus Walleij]

On Thu, Dec 19, 2013 at 4:54 PM, Peter De Schrijver
<pdeschrijver@xxxxxxxxxx> wrote:

> Reduce fuse.c to the minimum functionality required for the early bootstages.
> Also export tegra_read_straps() for use by the fuse driver.
>
> Signed-off-by: Peter De Schrijver <pdeschrijver@xxxxxxxxxx>

Aha, but why?

> -static void __init tegra20_fuse_init_randomness(void)
> -{
> -       u32 randomness[2];
> -
> -       randomness[0] = tegra_fuse_readl(FUSE_UID_LOW);
> -       randomness[1] = tegra_fuse_readl(FUSE_UID_HIGH);
> -
> -       add_device_randomness(randomness, sizeof(randomness));
> -}
> -
> -/* Applies to Tegra30 or later */
> -static void __init tegra30_fuse_init_randomness(void)
> -{
> -       u32 randomness[7];
> -
> -       randomness[0] = tegra_fuse_readl(FUSE_VENDOR_CODE);
> -       randomness[1] = tegra_fuse_readl(FUSE_FAB_CODE);
> -       randomness[2] = tegra_fuse_readl(FUSE_LOT_CODE_0);
> -       randomness[3] = tegra_fuse_readl(FUSE_LOT_CODE_1);
> -       randomness[4] = tegra_fuse_readl(FUSE_WAFER_ID);
> -       randomness[5] = tegra_fuse_readl(FUSE_X_COORDINATE);
> -       randomness[6] = tegra_fuse_readl(FUSE_Y_COORDINATE);
> -
> -       add_device_randomness(randomness, sizeof(randomness));
> -}

We still want to get this into the random pool right? Can it not simply
be moved to a later initcall then?

Yours,
Linus Walleij
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