diff options
| author | Subhash Jadavani <subhashj@codeaurora.org> | 2015-01-26 12:52:06 -0800 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-22 10:58:40 -0700 |
| commit | ddc6e0126973b0beaee185a037eb700d7da5d76b (patch) | |
| tree | daa2cfbfd5bab397537d806d3c2b89c8bdaebf6e | |
| parent | e77d1e1a1dd2421fad02ddc7cac054bd53f0461e (diff) | |
scsi: ufs-qcom: enable UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION
Newer revisions of Qualcomm UFS host controller may not advertise
the correct version information in UFS HCI VER register. To handle
this, enable UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION to let UFS standard
host controller driver call into vendor specific operation to get
right UFS HCI VER register value.
Change-Id: Ibd50b8bb8a87003181ea306690e87728576d49fb
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
| -rw-r--r-- | drivers/scsi/ufs/ufs-qcom.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c index f53aba35b57b..55a1a6c6c3bb 100644 --- a/drivers/scsi/ufs/ufs-qcom.c +++ b/drivers/scsi/ufs/ufs-qcom.c @@ -958,6 +958,16 @@ out: return ret; } +static u32 ufs_qcom_get_ufs_hci_version(struct ufs_hba *hba) +{ + struct ufs_qcom_host *host = hba->priv; + + if (host->hw_ver.major == 0x1) + return UFSHCI_VERSION_11; + else + return UFSHCI_VERSION_20; +} + /** * ufs_qcom_advertise_quirks - advertise the known QCOM UFS controller quirks * @hba: host controller instance @@ -982,6 +992,7 @@ static void ufs_qcom_advertise_quirks(struct ufs_hba *hba) if (host->hw_ver.major >= 0x2) { hba->quirks |= UFSHCD_QUIRK_BROKEN_LCC; + hba->quirks |= UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION; if (!ufs_qcom_cap_qunipro(host)) /* Legacy UniPro mode still need following quirks */ @@ -1642,6 +1653,7 @@ const struct ufs_hba_variant_ops ufs_hba_qcom_vops = { .name = "qcom", .init = ufs_qcom_init, .exit = ufs_qcom_exit, + .get_ufs_hci_version = ufs_qcom_get_ufs_hci_version, .clk_scale_notify = ufs_qcom_clk_scale_notify, .setup_clocks = ufs_qcom_setup_clocks, .hce_enable_notify = ufs_qcom_hce_enable_notify, |