From: Claudiu Manoil <[email protected]>
Date: Fri, 22 May 2020 11:54:34 +0300
> The caller of devm_ioremap_resource(), either accidentally
> or by wrong assumption, is writing back derived resource data
> to global static resource initialization tables that should
> have been constant. Meaning that after it computes the final
> physical start address it saves the address for no reason
> in the static tables. This doesn't affect the first driver
> probing after reboot, but it breaks consecutive driver reloads
> (i.e. driver unbind & bind) because the initialization tables
> no longer have the correct initial values. So the next probe()
> will map the device registers to wrong physical addresses,
> causing ARM SError async exceptions.
> This patch fixes all of the above.
>
> Fixes: 56051948773e ("net: dsa: ocelot: add driver for Felix switch family")
>
> Signed-off-by: Claudiu Manoil <[email protected]>
Applied and queued up for -stable, thanks.
