diff options
| author | Venkat Gopalakrishnan <venkatg@codeaurora.org> | 2016-08-26 18:33:11 -0700 |
|---|---|---|
| committer | Venkat Gopalakrishnan <venkatg@codeaurora.org> | 2016-09-12 11:19:39 -0700 |
| commit | fc8a047e3117ac9335c5ef579c27ae5b1833735c (patch) | |
| tree | 5b88b4e2daf6a4f34538ea24b6322b1a4649b37c /drivers/phy/phy-qcom-ufs-i.h | |
| parent | 3dc7ca5e82cc56abc0463e35f1851cd8e2eed97a (diff) | |
phy: qcom-ufs-qmp-v3: add ops to dump phy regs
It's useful to dump phy registers on failure to debug
link issues. Export a new ops for the ufs driver to invoke
during link failures.
Change-Id: Id3a9c9085375b783d97e7f2ffd3e11ec469aedb9
Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
Diffstat (limited to 'drivers/phy/phy-qcom-ufs-i.h')
| -rw-r--r-- | drivers/phy/phy-qcom-ufs-i.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/phy/phy-qcom-ufs-i.h b/drivers/phy/phy-qcom-ufs-i.h index 35179c8be471..7acef104d5b7 100644 --- a/drivers/phy/phy-qcom-ufs-i.h +++ b/drivers/phy/phy-qcom-ufs-i.h @@ -152,6 +152,7 @@ struct ufs_qcom_phy { * and writes to QSERDES_RX_SIGDET_CNTRL attribute * @configure_lpm: pointer to a function that configures the phy * for low power mode. + * @dbg_register_dump: pointer to a function that dumps phy registers for debug. */ struct ufs_qcom_phy_specific_ops { int (*calibrate_phy)(struct ufs_qcom_phy *phy, bool is_rate_B); @@ -161,6 +162,7 @@ struct ufs_qcom_phy_specific_ops { void (*ctrl_rx_linecfg)(struct ufs_qcom_phy *phy, bool ctrl); void (*power_control)(struct ufs_qcom_phy *phy, bool val); int (*configure_lpm)(struct ufs_qcom_phy *phy, bool enable); + void (*dbg_register_dump)(struct ufs_qcom_phy *phy); }; struct ufs_qcom_phy *get_ufs_qcom_phy(struct phy *generic_phy); @@ -184,5 +186,6 @@ int ufs_qcom_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy, void ufs_qcom_phy_write_tbl(struct ufs_qcom_phy *ufs_qcom_phy, struct ufs_qcom_phy_calibration *tbl, int tbl_size); - +void ufs_qcom_phy_dump_regs(struct ufs_qcom_phy *phy, + int offset, int len, char *prefix); #endif |