Re: [PATCH v5 5/6] irqchip, gicv3-its: Workaround for Cavium ThunderX errata 22375, 24313
From: Marc Zyngier
Date: Tue Sep 22 2015 - 12:52:46 EST
On Mon, 21 Sep 2015 22:58:38 +0200
Robert Richter <rric@xxxxxxxxxx> wrote:
> From: Robert Richter <rrichter@xxxxxxxxxx>
>
> This implements two gicv3-its errata workarounds for ThunderX. Both
> with small impact affecting only ITS table allocation.
>
> erratum 22375: only alloc 8MB table size
> erratum 24313: ignore memory access type
>
> The fixes are in ITS initialization and basically ignore memory access
> type and table size provided by the TYPER and BASER registers.
>
> v5:
> * fix table size wrongly allocating only 4MB
> * introduced CAVIUM_ERRATUM_22375 config option
> * added config description
> * introduced ITS_FLAGS_WORKAROUND_CAVIUM_22375
>
> v3:
> * fix erratum to be dependend from iidr
>
> Signed-off-by: Ganapatrao Kulkarni <gkulkarni@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Robert Richter <rrichter@xxxxxxxxxx>
Reviewed-by: Marc Zyngier <marc.zyngier@xxxxxxx>
M.
--
Jazz is not dead. It just smells funny.
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