[PATCH v6 4/7] ARM: l2c: Add support for overriding prefetch settings

[Russell King - ARM Linux]

On Mon, Oct 27, 2014 at 12:05:47PM +0100, Marek Szyprowski wrote:
> From: Tomasz Figa <t.figa at samsung.com>
> 
> Firmware on certain boards (e.g. ODROID-U3) can leave incorrect L2C prefetch
> settings configured in registers leading to crashes if L2C is enabled
> without overriding them. This patch introduces bindings to enable
> prefetch settings to be specified from DT and necessary support in the
> driver.
> 
> Signed-off-by: Tomasz Figa <t.figa at samsung.com>
> [mszyprow: rebased onto v3.18-rc1, added error messages when property value
>  is missing]

Why?  What if the boot loader has already set these up appropriately?  Why
should we force people to list these in the DT?

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