RE: [PATCH v4 02/16] ufs: core: Probe for ext_iid support

Avri Altman
2022-11-10T10:47:17Z

>
> Task Tag is limited to 8 bits and this restricts the number of active IOs to 255.
> In Multi-circular queue mode, this may not be enough.
> The specification provides EXT_IID which can be used to increase the number of
> IOs if the UFS device and UFSHC support it.
> This patch adds support to probe for ext_iid support in ufs device and UFSHC.
>
> Co-developed-by: Can Guo <quic_cang@quicinc.com>
> Signed-off-by: Can Guo <quic_cang@quicinc.com>
> Signed-off-by: Asutosh Das <quic_asutoshd@quicinc.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>