Re: [PATCH v7 1/5] mips: bmips: BCM6358: make sure CBR is correctly set

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On Tue, Jun 11, 2024 at 01:35:33PM +0200, 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")

should I apply it to mips-fixes ? If not could you just ammend
it with the following patch, where this is changed again ?

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]




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