Re: [PATCH v2 14/15] scsi: ufs: ufs-exynos: multi-host configuration for exynosauto

[Bean Huo <huobean@xxxxxxxxx>]

On Wed, 2021-07-14 at 16:11 +0900, Chanho Park wrote:
>  
> 
> +static int exynosauto_ufs_post_hce_enable(struct exynos_ufs *ufs)
> 
> +{
> 
> +       struct ufs_hba *hba = ufs->hba;
> 
> +
> 
> +       /* Enable Virtual Host #1 */
> 
> +       ufshcd_rmwl(hba, MHCTRL_EN_VH_MASK, MHCTRL_EN_VH(1), MHCTRL);
> 
> +       /* Default VH Transfer permissions */
> 
> +       hci_writel(ufs, 0x03FFE1FE, HCI_MH_ALLOWABLE_TRAN_OF_VH);
> 
> +       /* IID information is replaced in TASKTAG[7:5] instead of IID
> in UCD */
> 
> +       hci_writel(ufs, 0x1, HCI_MH_IID_IN_TASK_TAG);

Here you meant the IID in the UPIU header will be set according to the
Task_tag[7:5] value? and this will be done by your HW controller or SW
driver?

Kind regards,
Bean



> 
> +
> 
> +       return 0;
> 
> +}