Re: [PATCH 2/4] ARM: dts: am437x: Move l4 child devices to probe them with ti-sysc

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



* Peter Ujfalusi <peter.ujfalusi@xxxxxx> [181204 12:22]:
> Hi Tony,
> 
> On 25/09/2018 3.05, Tony Lindgren wrote:
> > With l4 interconnect hierarchy and ti-sysc interconnect target module
> > data in place, we can simply move all the related child devices to
> > their proper location and enable probing using ti-sysc.
> > 
> > In general the first child device address range starts at range 0
> > from the ti-sysc interconnect target so the move involves adjusting
> > the child device reg properties for that.
> > 
> > In case of any regressions, problem devices can be reverted to probe
> > with legacy platform data as needed by moving them back and removing
> > the related interconnect target module node.
> > 
> > Note that we are not yet moving dss or wkup_m3, those will be moved
> > later after some related driver changes.
> 
> Exactly the same issue as with am335x after:
> ARM: dts: am335x: Move l4 child devices to probe them with ti-sysc
> 
> reverting this patch makes audio working:
> 
> Without revert the McASP FIFO would constantly underflow.
> 
> Memcpy test via dmatest works with EDMA

OK I should be able to debug it here with am437x-sk-evm then.

If it's not immediately obvious what's going on, let's just
do a revert here too and debug it more separately.

Regards,

Tony



[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux