[PATCH v2 18/33] dma: ti: k3-udma-am62l: Add AM62L support DMA drivers

Sascha Hauer s.hauer at pengutronix.de
Tue Jun 17 01:20:38 PDT 2025


On Mon, Jun 16, 2025 at 01:57:48PM +0200, Ahmad Fatoum wrote:
> Hello Sascha,
> 
> On 6/5/25 14:42, Sascha Hauer wrote:
> > +	switch (uc->config.dir) {
> > +	case DMA_MEM_TO_MEM:
> 
> Tangential question. Could we implement arbitrary memory read/write on
> top of this without further changes to the driver?

I hope so. Would be nice indeed, but I haven't tested this.

> 
> Having a /dev/dma device or similar with the same API as /dev/mem would
> be useful to test isolation of OP-TEE.

Agreed.

Sascha

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