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| author |   Yaniv Gardi <ygardi@codeaurora.org> | 2015-03-31 17:37:13 +0300 |
|---|---|---|
| committer |   James Bottomley <JBottomley@Odin.com> | 2015-04-10 08:52:58 -0700 |
| commit | bfdbe8ba21291c024afcec95b7bd515b5bf69689 (patch) | |
| tree | 6193eececc213269af26b7f66135f95e4ac8375b /drivers/scsi/ufs/ufs-qcom.h | |
| parent | qla2xxx: Update driver version to 8.07.00.18-k (diff) | |
| download | linux-dev-bfdbe8ba21291c024afcec95b7bd515b5bf69689.tar.xz linux-dev-bfdbe8ba21291c024afcec95b7bd515b5bf69689.zip | |
ufs-qcom: save controller revision info in internal structure
Sometimes, specific information about the UFS controller revision is
required in order to determine certain operations or execute
controller dependent quirks.
In order to avoid reading the controller revision multiple times,
we simply read it once and save this information in internal structure.
Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org>
Reviewed-by: Gilad Broner <gbroner@codeaurora.org>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
Diffstat (limited to 'drivers/scsi/ufs/ufs-qcom.h')
| -rw-r--r-- | drivers/scsi/ufs/ufs-qcom.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufs-qcom.h b/drivers/scsi/ufs/ufs-qcom.h index 9a6febd007df..903739668228 100644 --- a/drivers/scsi/ufs/ufs-qcom.h +++ b/drivers/scsi/ufs/ufs-qcom.h @@ -151,6 +151,12 @@ struct ufs_qcom_bus_vote { struct device_attribute max_bus_bw; }; +/* Host controller hardware version: major.minor.step */ +struct ufs_hw_version { + u16 step; + u16 minor; + u8 major; +}; struct ufs_qcom_host { struct phy *generic_phy; struct ufs_hba *hba; @@ -161,6 +167,8 @@ struct ufs_qcom_host { struct clk *rx_l1_sync_clk; struct clk *tx_l1_sync_clk; bool is_lane_clks_enabled; + + struct ufs_hw_version hw_ver; }; #define ufs_qcom_is_link_off(hba) ufshcd_is_link_off(hba) |