On 8/07/22 07:17, Daniil Lunev wrote: > ARM platforms rely on 'ref_clk' of a UFS controller's node in DTS to set > up the proper bRefClkFreq for the UFS storage device. The facility is > not available on x86. To circumvene that, default the parameter, > responsible for carrying the value to the UFS storage device > initialization, to the one that Intel's controllers support. This is > required to support provisioning of UFS storage devices from userspace, > without relying on FW and/or bootloader to make the necessary > preparations. > > Signed-off-by: Daniil Lunev <dlunev@xxxxxxxxxxxx> > --- > > drivers/ufs/host/ufshcd-pci.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/ufs/host/ufshcd-pci.c b/drivers/ufs/host/ufshcd-pci.c > index 04166bda41daa..a6f9222cbea74 100644 > --- a/drivers/ufs/host/ufshcd-pci.c > +++ b/drivers/ufs/host/ufshcd-pci.c > @@ -336,6 +336,7 @@ static int ufs_intel_common_init(struct ufs_hba *hba) > struct intel_host *host; > > hba->caps |= UFSHCD_CAP_RPM_AUTOSUSPEND; > + hba->dev_ref_clk_freq = REF_CLK_FREQ_19_2_MHZ; I have seen requirement documents saying 19.2 or 38.4, so this is would be a problem since it overwrites the value even if it has been set correctly to something other than 19.2 MHz. > > host = devm_kzalloc(hba->dev, sizeof(*host), GFP_KERNEL); > if (!host)