diff options
Diffstat (limited to 'drivers/ufs')
-rw-r--r-- | drivers/ufs/core/ufshcd.c | 158 | ||||
-rw-r--r-- | drivers/ufs/host/ufs-qcom.c | 3 |
2 files changed, 14 insertions, 147 deletions
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 62c8575f2c67..c72ef87ea867 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -748,8 +748,6 @@ static int ufshcd_wait_for_register(struct ufs_hba *hba, u32 reg, u32 mask, */ static inline u32 ufshcd_get_intr_mask(struct ufs_hba *hba) { - if (hba->ufs_version == ufshci_version(1, 0)) - return INTERRUPT_MASK_ALL_VER_10; if (hba->ufs_version <= ufshci_version(2, 0)) return INTERRUPT_MASK_ALL_VER_11; @@ -990,30 +988,6 @@ bool ufshcd_is_hba_active(struct ufs_hba *hba) } EXPORT_SYMBOL_GPL(ufshcd_is_hba_active); -u32 ufshcd_get_local_unipro_ver(struct ufs_hba *hba) -{ - /* HCI version 1.0 and 1.1 supports UniPro 1.41 */ - if (hba->ufs_version <= ufshci_version(1, 1)) - return UFS_UNIPRO_VER_1_41; - else - return UFS_UNIPRO_VER_1_6; -} -EXPORT_SYMBOL(ufshcd_get_local_unipro_ver); - -static bool ufshcd_is_unipro_pa_params_tuning_req(struct ufs_hba *hba) -{ - /* - * If both host and device support UniPro ver1.6 or later, PA layer - * parameters tuning happens during link startup itself. - * - * We can manually tune PA layer parameters if either host or device - * doesn't support UniPro ver 1.6 or later. But to keep manual tuning - * logic simple, we will only do manual tuning if local unipro version - * doesn't support ver1.6 or later. - */ - return ufshcd_get_local_unipro_ver(hba) < UFS_UNIPRO_VER_1_6; -} - /** * ufshcd_pm_qos_init - initialize PM QoS request * @hba: per adapter instance @@ -2674,14 +2648,7 @@ static void ufshcd_enable_intr(struct ufs_hba *hba, u32 intrs) { u32 set = ufshcd_readl(hba, REG_INTERRUPT_ENABLE); - if (hba->ufs_version == ufshci_version(1, 0)) { - u32 rw; - rw = set & INTERRUPT_MASK_RW_VER_10; - set = rw | ((set ^ intrs) & intrs); - } else { - set |= intrs; - } - + set |= intrs; ufshcd_writel(hba, set, REG_INTERRUPT_ENABLE); } @@ -2694,16 +2661,7 @@ static void ufshcd_disable_intr(struct ufs_hba *hba, u32 intrs) { u32 set = ufshcd_readl(hba, REG_INTERRUPT_ENABLE); - if (hba->ufs_version == ufshci_version(1, 0)) { - u32 rw; - rw = (set & INTERRUPT_MASK_RW_VER_10) & - ~(intrs & INTERRUPT_MASK_RW_VER_10); - set = rw | ((set & intrs) & ~INTERRUPT_MASK_RW_VER_10); - - } else { - set &= ~intrs; - } - + set &= ~intrs; ufshcd_writel(hba, set, REG_INTERRUPT_ENABLE); } @@ -2715,21 +2673,17 @@ static void ufshcd_disable_intr(struct ufs_hba *hba, u32 intrs) * @upiu_flags: flags required in the header * @cmd_dir: requests data direction * @ehs_length: Total EHS Length (in 32‐bytes units of all Extra Header Segments) - * @legacy_type: UTP_CMD_TYPE_SCSI or UTP_CMD_TYPE_DEV_MANAGE */ static void ufshcd_prepare_req_desc_hdr(struct ufs_hba *hba, struct ufshcd_lrb *lrbp, u8 *upiu_flags, enum dma_data_direction cmd_dir, - int ehs_length, enum utp_cmd_type legacy_type) + int ehs_length) { struct utp_transfer_req_desc *req_desc = lrbp->utr_descriptor_ptr; struct request_desc_header *h = &req_desc->header; enum utp_data_direction data_direction; - if (hba->ufs_version <= ufshci_version(1, 1)) - lrbp->command_type = legacy_type; - else - lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE; + lrbp->command_type = UTP_CMD_TYPE_UFS_STORAGE; *h = (typeof(*h)){ }; @@ -2863,7 +2817,7 @@ static int ufshcd_compose_devman_upiu(struct ufs_hba *hba, u8 upiu_flags; int ret = 0; - ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, DMA_NONE, 0, UTP_CMD_TYPE_DEV_MANAGE); + ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, DMA_NONE, 0); if (hba->dev_cmd.type == DEV_CMD_TYPE_QUERY) ufshcd_prepare_utp_query_req_upiu(hba, lrbp, upiu_flags); @@ -2887,8 +2841,7 @@ static void ufshcd_comp_scsi_upiu(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) unsigned int ioprio_class = IOPRIO_PRIO_CLASS(req_get_ioprio(rq)); u8 upiu_flags; - ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, - lrbp->cmd->sc_data_direction, 0, UTP_CMD_TYPE_SCSI); + ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, lrbp->cmd->sc_data_direction, 0); if (ioprio_class == IOPRIO_CLASS_RT) upiu_flags |= UPIU_CMD_FLAGS_CP; ufshcd_prepare_utp_scsi_cmd_upiu(lrbp, upiu_flags); @@ -5559,15 +5512,12 @@ void ufshcd_compl_one_cqe(struct ufs_hba *hba, int task_tag, ufshcd_release_scsi_cmd(hba, lrbp); /* Do not touch lrbp after scsi done */ scsi_done(cmd); - } else if (lrbp->command_type == UTP_CMD_TYPE_DEV_MANAGE || - lrbp->command_type == UTP_CMD_TYPE_UFS_STORAGE) { - if (hba->dev_cmd.complete) { - if (cqe) { - ocs = le32_to_cpu(cqe->status) & MASK_OCS; - lrbp->utr_descriptor_ptr->header.ocs = ocs; - } - complete(hba->dev_cmd.complete); + } else if (hba->dev_cmd.complete) { + if (cqe) { + ocs = le32_to_cpu(cqe->status) & MASK_OCS; + lrbp->utr_descriptor_ptr->header.ocs = ocs; } + complete(hba->dev_cmd.complete); } } @@ -7220,7 +7170,7 @@ static int ufshcd_issue_devman_upiu_cmd(struct ufs_hba *hba, ufshcd_setup_dev_cmd(hba, lrbp, cmd_type, 0, tag); - ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, DMA_NONE, 0, UTP_CMD_TYPE_DEV_MANAGE); + ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, DMA_NONE, 0); /* update the task tag in the request upiu */ req_upiu->header.task_tag = tag; @@ -7372,7 +7322,7 @@ int ufshcd_advanced_rpmb_req_handler(struct ufs_hba *hba, struct utp_upiu_req *r ufshcd_setup_dev_cmd(hba, lrbp, DEV_CMD_TYPE_RPMB, UFS_UPIU_RPMB_WLUN, tag); - ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, DMA_NONE, ehs, UTP_CMD_TYPE_DEV_MANAGE); + ufshcd_prepare_req_desc_hdr(hba, lrbp, &upiu_flags, DMA_NONE, ehs); /* update the task tag */ req_upiu->header.task_tag = tag; @@ -8360,83 +8310,6 @@ static void ufs_put_device_desc(struct ufs_hba *hba) } /** - * ufshcd_tune_pa_tactivate - Tunes PA_TActivate of local UniPro - * @hba: per-adapter instance - * - * PA_TActivate parameter can be tuned manually if UniPro version is less than - * 1.61. PA_TActivate needs to be greater than or equal to peerM-PHY's - * RX_MIN_ACTIVATETIME_CAPABILITY attribute. This optimal value can help reduce - * the hibern8 exit latency. - * - * Return: zero on success, non-zero error value on failure. - */ -static int ufshcd_tune_pa_tactivate(struct ufs_hba *hba) -{ - int ret = 0; - u32 peer_rx_min_activatetime = 0, tuned_pa_tactivate; - - ret = ufshcd_dme_peer_get(hba, - UIC_ARG_MIB_SEL( - RX_MIN_ACTIVATETIME_CAPABILITY, - UIC_ARG_MPHY_RX_GEN_SEL_INDEX(0)), - &peer_rx_min_activatetime); - if (ret) - goto out; - - /* make sure proper unit conversion is applied */ - tuned_pa_tactivate = - ((peer_rx_min_activatetime * RX_MIN_ACTIVATETIME_UNIT_US) - / PA_TACTIVATE_TIME_UNIT_US); - ret = ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TACTIVATE), - tuned_pa_tactivate); - -out: - return ret; -} - -/** - * ufshcd_tune_pa_hibern8time - Tunes PA_Hibern8Time of local UniPro - * @hba: per-adapter instance - * - * PA_Hibern8Time parameter can be tuned manually if UniPro version is less than - * 1.61. PA_Hibern8Time needs to be maximum of local M-PHY's - * TX_HIBERN8TIME_CAPABILITY & peer M-PHY's RX_HIBERN8TIME_CAPABILITY. - * This optimal value can help reduce the hibern8 exit latency. - * - * Return: zero on success, non-zero error value on failure. - */ -static int ufshcd_tune_pa_hibern8time(struct ufs_hba *hba) -{ - int ret = 0; - u32 local_tx_hibern8_time_cap = 0, peer_rx_hibern8_time_cap = 0; - u32 max_hibern8_time, tuned_pa_hibern8time; - - ret = ufshcd_dme_get(hba, - UIC_ARG_MIB_SEL(TX_HIBERN8TIME_CAPABILITY, - UIC_ARG_MPHY_TX_GEN_SEL_INDEX(0)), - &local_tx_hibern8_time_cap); - if (ret) - goto out; - - ret = ufshcd_dme_peer_get(hba, - UIC_ARG_MIB_SEL(RX_HIBERN8TIME_CAPABILITY, - UIC_ARG_MPHY_RX_GEN_SEL_INDEX(0)), - &peer_rx_hibern8_time_cap); - if (ret) - goto out; - - max_hibern8_time = max(local_tx_hibern8_time_cap, - peer_rx_hibern8_time_cap); - /* make sure proper unit conversion is applied */ - tuned_pa_hibern8time = ((max_hibern8_time * HIBERN8TIME_UNIT_US) - / PA_HIBERN8_TIME_UNIT_US); - ret = ufshcd_dme_set(hba, UIC_ARG_MIB(PA_HIBERN8TIME), - tuned_pa_hibern8time); -out: - return ret; -} - -/** * ufshcd_quirk_tune_host_pa_tactivate - Ensures that host PA_TACTIVATE is * less than device PA_TACTIVATE time. * @hba: per-adapter instance @@ -8508,11 +8381,6 @@ out: static void ufshcd_tune_unipro_params(struct ufs_hba *hba) { - if (ufshcd_is_unipro_pa_params_tuning_req(hba)) { - ufshcd_tune_pa_tactivate(hba); - ufshcd_tune_pa_hibern8time(hba); - } - ufshcd_vops_apply_dev_quirks(hba); if (hba->dev_quirks & UFS_DEVICE_QUIRK_PA_TACTIVATE) diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 3a91255036dd..0b02e697ea5b 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -528,8 +528,7 @@ static int ufs_qcom_link_startup_notify(struct ufs_hba *hba, * and device TX LCC are disabled once link startup is * completed. */ - if (ufshcd_get_local_unipro_ver(hba) != UFS_UNIPRO_VER_1_41) - err = ufshcd_disable_host_tx_lcc(hba); + err = ufshcd_disable_host_tx_lcc(hba); break; default: |