Re: [PATCH v2 1/5] mips: bmips: BCM6358: make sure CBR is correctly set

[Florian Fainelli]

On 5/3/24 14:20, Christian Marangi wrote:
> It was discovered that some device have CBR address set to 0 causing
> kernel panic when arch_sync_dma_for_cpu_all is called.
>
> This was notice in situation where the system is booted from TP1 and
> BMIPS_GET_CBR() returns 0 instead of a valid address and
> !!(read_c0_brcm_cmt_local() & (1 << 31)); not failing.
>
> The current check whether RAC flush should be disabled or not are not
> enough hence lets check if CBR is a valid address or not.
>
> Fixes: ab327f8acdf8 ("mips: bmips: BCM6358: disable RAC flush for TP1")
> Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx>

Acked-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
--
Florian

Attachment: smime.p7s
Description: S/MIME Cryptographic Signature