[PATCH v2 08/11] scsi: ufs: exynos: enable write line unique transactions on gs101

[Peter Griffin]

Hi Tudor,

On Wed, 30 Oct 2024 at 11:25, Tudor Ambarus <tudor.ambarus at linaro.org> wrote:
>
>
>
> On 10/25/24 2:14 PM, Peter Griffin wrote:
> > Previously just AXIDMA_RWDATA_BURST_LEN[3:0] field was set to 8.
>
> where was this set?

It is set to 0xf in exynos_ufs_post_link() function, see the following line
hci_writel(ufs, 0xf, HCI_AXIDMA_RWDATA_BURST_LEN);

As all other SoCs expect the current value, I've left that assignment
in the common function, and we update it in the  gs101_ufs_post_link()
specific hook.

>
> >
> > To enable WLU transaction additionally we need to set Write Line
> > Unique enable [31], Write Line Unique Burst Length [30:27] and
> > AXIDMA_RWDATA_BURST_LEN[3:0].
> >
> > To support WLU transaction, both burth length fields need to be 0x3.
> >
>
> typo, s/burth/burst

Will fix.

Peter