RE: [PATCH RESEND v3 4/4] scsi: ufs-mediatek: gate ref-clk during Auto-Hibern8

From: Avri Altman
Date: Fri Jan 31 2020 - 13:48:26 EST


>
> +static u32 ufs_mtk_link_get_state(struct ufs_hba *hba)
> +{
> + u32 val;
> +
> + ufshcd_writel(hba, 0x20, REG_UFS_DEBUG_SEL);
> + val = ufshcd_readl(hba, REG_UFS_PROBE);
> + val = val >> 28;
> +
> + return val;
> +}
A little bit strange that you are relying on debug registers to setup your ref-clock.
Is this this debug info is always available?

Thanks,
Avri