This reverts commit 54acb89a8d8682d99ee8594f9ce0dd863a2df80d.
Since ICE driver hasn't been uploaded to upstream, ICE support for
UFS driver could not be functional at this time.
Therefore this change should be reverted.
---
drivers/scsi/ufs/Kconfig | 12 -
drivers/scsi/ufs/Makefile | 1 -
drivers/scsi/ufs/ufs-qcom-ice.c | 520 ----------------------------------------
drivers/scsi/ufs/ufs-qcom-ice.h | 113 ---------
drivers/scsi/ufs/ufs-qcom.c | 56 +----
drivers/scsi/ufs/ufs-qcom.h | 25 --
6 files changed, 1 insertion(+), 726 deletions(-)
delete mode 100644 drivers/scsi/ufs/ufs-qcom-ice.c
delete mode 100644 drivers/scsi/ufs/ufs-qcom-ice.h
diff --git a/drivers/scsi/ufs/Kconfig b/drivers/scsi/ufs/Kconfig
index ecf34ed..8a1f4b3 100644
--- a/drivers/scsi/ufs/Kconfig
+++ b/drivers/scsi/ufs/Kconfig
@@ -83,15 +83,3 @@ config SCSI_UFS_QCOM
Select this if you have UFS controller on QCOM chipset.
If unsure, say N.
-
-config SCSI_UFS_QCOM_ICE
- bool "QCOM specific hooks to Inline Crypto Engine for UFS driver"
- depends on SCSI_UFS_QCOM && CRYPTO_DEV_QCOM_ICE
- help
- This selects the QCOM specific additions to support Inline Crypto
- Engine (ICE).
- ICE accelerates the crypto operations and maintains the high UFS
- performance.
-
- Select this if you have ICE supported for UFS on QCOM chipset.
- If unsure, say N.
diff --git a/drivers/scsi/ufs/Makefile b/drivers/scsi/ufs/Makefile
index 31adca5..8303bcc 100644
--- a/drivers/scsi/ufs/Makefile
+++ b/drivers/scsi/ufs/Makefile
@@ -1,6 +1,5 @@
# UFSHCD makefile
obj-$(CONFIG_SCSI_UFS_QCOM) += ufs-qcom.o
-obj-$(CONFIG_SCSI_UFS_QCOM_ICE) += ufs-qcom-ice.o
obj-$(CONFIG_SCSI_UFSHCD) += ufshcd.o
obj-$(CONFIG_SCSI_UFSHCD_PCI) += ufshcd-pci.o
obj-$(CONFIG_SCSI_UFSHCD_PLATFORM) += ufshcd-pltfrm.o
diff --git a/drivers/scsi/ufs/ufs-qcom-ice.c b/drivers/scsi/ufs/ufs-qcom-ice.c
deleted file mode 100644
index 9202b73..0000000
--- a/drivers/scsi/ufs/ufs-qcom-ice.c
+++ /dev/null
@@ -1,520 +0,0 @@
-/* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <linux/of.h>
-#include <linux/async.h>
-#include <linux/blkdev.h>
-#include <crypto/ice.h>
-
-#include "ufs-qcom-ice.h"
-#include "ufshcd.h"
-
-#define UFS_QCOM_CRYPTO_LABEL "ufs-qcom-crypto"
-/* Timeout waiting for ICE initialization, that requires TZ access */
-#define UFS_QCOM_ICE_COMPLETION_TIMEOUT_MS 500
-
-static void ufs_qcom_ice_success_cb(void *host_ctrl,
- enum ice_event_completion evt)
-{
- struct ufs_qcom_host *qcom_host = (struct ufs_qcom_host *)host_ctrl;
-
- if (qcom_host->ice.state == UFS_QCOM_ICE_STATE_DISABLED &&
- evt == ICE_INIT_COMPLETION)
- qcom_host->ice.state = UFS_QCOM_ICE_STATE_ACTIVE;
- else if (qcom_host->ice.state == UFS_QCOM_ICE_STATE_SUSPENDED &&
- evt == ICE_RESUME_COMPLETION)
- qcom_host->ice.state = UFS_QCOM_ICE_STATE_ACTIVE;
-
- complete(&qcom_host->ice.async_done);
-}
-
-static void ufs_qcom_ice_error_cb(void *host_ctrl, enum ice_error_code evt)
-{
- struct ufs_qcom_host *qcom_host = (struct ufs_qcom_host *)host_ctrl;
-
- dev_err(qcom_host->hba->dev, "%s: Error in ice operation %d",
- __func__, evt);
-
- if (qcom_host->ice.state == UFS_QCOM_ICE_STATE_ACTIVE)
- qcom_host->ice.state = UFS_QCOM_ICE_STATE_DISABLED;
-
- complete(&qcom_host->ice.async_done);
-}
-
-static struct platform_device *ufs_qcom_ice_get_pdevice(struct device *ufs_dev)
-{
- struct device_node *node;
- struct platform_device *ice_pdev = NULL;
-
- node = of_parse_phandle(ufs_dev->of_node, UFS_QCOM_CRYPTO_LABEL, 0);
-
- if (!node) {
- dev_err(ufs_dev, "%s: ufs-qcom-crypto property not specified\n",
- __func__);
- goto out;
- }
-
- ice_pdev = qcom_ice_get_pdevice(node);
-out:
- return ice_pdev;
-}
-
-static
-struct qcom_ice_variant_ops *ufs_qcom_ice_get_vops(struct device *ufs_dev)
-{
- struct qcom_ice_variant_ops *ice_vops = NULL;
- struct device_node *node;
-
- node = of_parse_phandle(ufs_dev->of_node, UFS_QCOM_CRYPTO_LABEL, 0);
-
- if (!node) {
- dev_err(ufs_dev, "%s: ufs-qcom-crypto property not specified\n",
- __func__);
- goto out;
- }
-
- ice_vops = qcom_ice_get_variant_ops(node);
-
- if (!ice_vops)
- dev_err(ufs_dev, "%s: invalid ice_vops\n", __func__);
-
- of_node_put(node);
-out:
- return ice_vops;
-}
-
-/**
- * ufs_qcom_ice_get_dev() - sets pointers to ICE data structs in UFS QCom host
- * @qcom_host: Pointer to a UFS QCom internal host structure.
- *
- * Sets ICE platform device pointer and ICE vops structure
- * corresponding to the current UFS device.
- *
- * Return: -EINVAL in-case of invalid input parameters:
- * qcom_host, qcom_host->hba or qcom_host->hba->dev
- * -ENODEV in-case ICE device is not required
- * -EPROBE_DEFER in-case ICE is required and hasn't been probed yet
- * 0 otherwise
- */
-int ufs_qcom_ice_get_dev(struct ufs_qcom_host *qcom_host)
-{
- struct device *ufs_dev;
- int err = 0;
-
- if (!qcom_host || !qcom_host->hba || !qcom_host->hba->dev) {
- pr_err("%s: invalid qcom_host %p or qcom_host->hba or qcom_host->hba->dev\n",
- __func__, qcom_host);
- err = -EINVAL;
- goto out;
- }
-
- ufs_dev = qcom_host->hba->dev;
-
- qcom_host->ice.vops = ufs_qcom_ice_get_vops(ufs_dev);
- qcom_host->ice.pdev = ufs_qcom_ice_get_pdevice(ufs_dev);
-
- if (qcom_host->ice.pdev == ERR_PTR(-EPROBE_DEFER)) {
- dev_err(ufs_dev, "%s: ICE device not probed yet\n",
- __func__);
- qcom_host->ice.pdev = NULL;
- qcom_host->ice.vops = NULL;
- err = -EPROBE_DEFER;
- goto out;
- }
-
- if (!qcom_host->ice.pdev || !qcom_host->ice.vops) {
- dev_err(ufs_dev, "%s: invalid platform device %p or vops %p\n",
- __func__, qcom_host->ice.pdev, qcom_host->ice.vops);
- qcom_host->ice.pdev = NULL;
- qcom_host->ice.vops = NULL;
- err = -ENODEV;
- goto out;
- }
-
- qcom_host->ice.state = UFS_QCOM_ICE_STATE_DISABLED;
-
-out:
- return err;
-
-}
-
-/**
- * ufs_qcom_ice_init() - initializes the ICE-UFS interface and ICE device
- * @qcom_host: Pointer to a UFS QCom internal host structure.
- * qcom_host, qcom_host->hba and qcom_host->hba->dev should all
- * be valid pointers.
- *
- * Return: -EINVAL in-case of an error
- * 0 otherwise
- */
-int ufs_qcom_ice_init(struct ufs_qcom_host *qcom_host)
-{
- struct device *ufs_dev = qcom_host->hba->dev;
- int err = -EINVAL;
-
- init_completion(&qcom_host->ice.async_done);
- err = qcom_host->ice.vops->init(qcom_host->ice.pdev,
- qcom_host,
- ufs_qcom_ice_success_cb,
- ufs_qcom_ice_error_cb);
- if (err) {
- dev_err(ufs_dev, "%s: ice init failed. err = %d\n",
- __func__, err);
- goto out;
- }
-
- if (!wait_for_completion_timeout(&qcom_host->ice.async_done,
- msecs_to_jiffies(UFS_QCOM_ICE_COMPLETION_TIMEOUT_MS))) {
- dev_err(qcom_host->hba->dev,
- "%s: error. got timeout after %d ms\n",
- __func__, UFS_QCOM_ICE_COMPLETION_TIMEOUT_MS);
- err = -ETIMEDOUT;
- goto out;
- }
-
- if (qcom_host->ice.state != UFS_QCOM_ICE_STATE_ACTIVE) {
- dev_err(qcom_host->hba->dev,
- "%s: error. ice.state (%d) is not in active state\n",
- __func__, qcom_host->ice.state);
- err = -EINVAL;
- }
-
-out:
- return err;
-}
-
-static inline bool ufs_qcom_is_data_cmd(char cmd_op, bool is_write)
-{
- if (is_write) {
- if (cmd_op == WRITE_6 || cmd_op == WRITE_10 ||
- cmd_op == WRITE_16)
- return true;
- } else {
- if (cmd_op == READ_6 || cmd_op == READ_10 ||
- cmd_op == READ_16)
- return true;
- }
-
- return false;
-}
-
-/**
- * ufs_qcom_ice_cfg() - configures UFS's ICE registers for an ICE transaction
- * @qcom_host: Pointer to a UFS QCom internal host structure.
- * qcom_host, qcom_host->hba and qcom_host->hba->dev should all
- * be valid pointers.
- * @cmd: Pointer to a valid scsi command. cmd->request should also be
- * a valid pointer.
- *
- * Return: -EINVAL in-case of an error
- * 0 otherwise
- */
-int ufs_qcom_ice_cfg(struct ufs_qcom_host *qcom_host, struct scsi_cmnd *cmd)
-{
- struct device *dev = qcom_host->hba->dev;
- int err = 0;
- struct ice_data_setting ice_set;
- unsigned int slot = 0;
- sector_t lba = 0;
- unsigned int ctrl_info_2_val = 0;
- unsigned int bypass = 0;
- struct request *req;
- char cmd_op;
-
- if (!qcom_host->ice.pdev || !qcom_host->ice.vops) {
- dev_dbg(dev, "%s: ice device is not enabled\n", __func__);
- goto out;
- }
-
- if (qcom_host->ice.state != UFS_QCOM_ICE_STATE_ACTIVE) {
- dev_err(dev, "%s: ice state (%d) is not active\n",
- __func__, qcom_host->ice.state);
- return -EINVAL;
- }
-
- req = cmd->request;
- if (req->bio)
- lba = req->bio->bi_sector;
-
- slot = req->tag;
- if (slot < 0 || slot > qcom_host->hba->nutrs) {
- dev_err(dev, "%s: slot (%d) is out of boundaries (0...%d)\n",
- __func__, slot, qcom_host->hba->nutrs);
- return -EINVAL;
- }
-
- memset(&ice_set, sizeof(ice_set), 0);
- if (qcom_host->ice.vops->config) {
- err = qcom_host->ice.vops->config(qcom_host->ice.pdev,
- req, &ice_set);
-
- if (err) {
- dev_err(dev, "%s: error in ice_vops->config %d\n",
- __func__, err);
- goto out;
- }
- }
-
- cmd_op = cmd->cmnd[0];
-
-#define UFS_QCOM_DIR_WRITE true
-#define UFS_QCOM_DIR_READ false
- /* if non data command, bypass shall be enabled */
- if (!ufs_qcom_is_data_cmd(cmd_op, UFS_QCOM_DIR_WRITE) &&
- !ufs_qcom_is_data_cmd(cmd_op, UFS_QCOM_DIR_READ))
- bypass = UFS_QCOM_ICE_ENABLE_BYPASS;
- /* if writing data command */
- else if (ufs_qcom_is_data_cmd(cmd_op, UFS_QCOM_DIR_WRITE))
- bypass = ice_set.encr_bypass ? UFS_QCOM_ICE_ENABLE_BYPASS :
- UFS_QCOM_ICE_DISABLE_BYPASS;
- /* if reading data command */
- else if (ufs_qcom_is_data_cmd(cmd_op, UFS_QCOM_DIR_READ))
- bypass = ice_set.decr_bypass ? UFS_QCOM_ICE_ENABLE_BYPASS :
- UFS_QCOM_ICE_DISABLE_BYPASS;
-
- /* Configure ICE index */
- ctrl_info_2_val =
- (ice_set.crypto_data.key_index &
- MASK_UFS_QCOM_ICE_CTRL_INFO_2_KEY_INDEX)
- << OFFSET_UFS_QCOM_ICE_CTRL_INFO_2_KEY_INDEX;
-
- /* Configure data unit size of transfer request */
- ctrl_info_2_val |=
- (UFS_QCOM_ICE_TR_DATA_UNIT_4_KB &
- MASK_UFS_QCOM_ICE_CTRL_INFO_2_CDU)
- << OFFSET_UFS_QCOM_ICE_CTRL_INFO_2_CDU;
-
- /* Configure ICE bypass mode */
- ctrl_info_2_val |=
- (bypass & MASK_UFS_QCOM_ICE_CTRL_INFO_2_BYPASS)
- << OFFSET_UFS_QCOM_ICE_CTRL_INFO_2_BYPASS;
-
- ufshcd_writel(qcom_host->hba, lba,
- (REG_UFS_QCOM_ICE_CTRL_INFO_1_n + 8 * slot));
-
- ufshcd_writel(qcom_host->hba, ctrl_info_2_val,
- (REG_UFS_QCOM_ICE_CTRL_INFO_2_n + 8 * slot));
-
- /*
- * Ensure UFS-ICE registers are being configured
- * before next operation, otherwise UFS Host Controller might
- * set get errors
- */
- mb();
-out:
- return err;
-}
-
-/**
- * ufs_qcom_ice_reset() - resets UFS-ICE interface and ICE device
- * @qcom_host: Pointer to a UFS QCom internal host structure.
- * qcom_host, qcom_host->hba and qcom_host->hba->dev should all
- * be valid pointers.
- *
- * Return: -EINVAL in-case of an error
- * 0 otherwise
- */
-int ufs_qcom_ice_reset(struct ufs_qcom_host *qcom_host)
-{
- struct device *dev = qcom_host->hba->dev;
- int err = 0;
-
- if (!qcom_host->ice.pdev) {
- dev_dbg(dev, "%s: ice device is not enabled\n", __func__);
- goto out;
- }
-
- if (!qcom_host->ice.vops) {
- dev_err(dev, "%s: invalid ice_vops\n", __func__);
- return -EINVAL;
- }
-
- if (qcom_host->ice.state != UFS_QCOM_ICE_STATE_ACTIVE)
- goto out;
-
- init_completion(&qcom_host->ice.async_done);
-
- if (qcom_host->ice.vops->reset) {
- err = qcom_host->ice.vops->reset(qcom_host->ice.pdev);
- if (err) {
- dev_err(dev, "%s: ice_vops->reset failed. err %d\n",
- __func__, err);
- goto out;
- }
- }
-
- if (!wait_for_completion_timeout(&qcom_host->ice.async_done,
- msecs_to_jiffies(UFS_QCOM_ICE_COMPLETION_TIMEOUT_MS))) {
- dev_err(dev,
- "%s: error. got timeout after %d ms\n",
- __func__, UFS_QCOM_ICE_COMPLETION_TIMEOUT_MS);
- err = -ETIMEDOUT;
- }
-
-out:
- return err;
-}
-
-/**
- * ufs_qcom_ice_resume() - resumes UFS-ICE interface and ICE device from power
- * collapse
- * @qcom_host: Pointer to a UFS QCom internal host structure.
- * qcom_host, qcom_host->hba and qcom_host->hba->dev should all
- * be valid pointers.
- *
- * Return: -EINVAL in-case of an error
- * 0 otherwise
- */
-int ufs_qcom_ice_resume(struct ufs_qcom_host *qcom_host)
-{
- struct device *dev = qcom_host->hba->dev;
- int err = 0;
-
- if (!qcom_host->ice.pdev) {
- dev_dbg(dev, "%s: ice device is not enabled\n", __func__);
- goto out;
- }
-
- if (qcom_host->ice.state !=
- UFS_QCOM_ICE_STATE_SUSPENDED) {
- goto out;
- }
-
- if (!qcom_host->ice.vops) {
- dev_err(dev, "%s: invalid ice_vops\n", __func__);
- return -EINVAL;
- }
-
- init_completion(&qcom_host->ice.async_done);
-
- if (qcom_host->ice.vops->resume) {
- err = qcom_host->ice.vops->resume(qcom_host->ice.pdev);
- if (err) {
- dev_err(dev, "%s: ice_vops->resume failed. err %d\n",
- __func__, err);
- return -EINVAL;
- }
- }
-
- if (!wait_for_completion_timeout(&qcom_host->ice.async_done,
- msecs_to_jiffies(UFS_QCOM_ICE_COMPLETION_TIMEOUT_MS))) {
- dev_err(dev,
- "%s: error. got timeout after %d ms\n",
- __func__, UFS_QCOM_ICE_COMPLETION_TIMEOUT_MS);
- err = -ETIMEDOUT;
- goto out;
- }
-
- if (qcom_host->ice.state != UFS_QCOM_ICE_STATE_ACTIVE)
- err = -EINVAL;
-out:
- return err;
-}
-
-/**
- * ufs_qcom_ice_suspend() - suspends UFS-ICE interface and ICE device
- * @qcom_host: Pointer to a UFS QCom internal host structure.
- * qcom_host, qcom_host->hba and qcom_host->hba->dev should all
- * be valid pointers.
- *
- * Return: -EINVAL in-case of an error
- * 0 otherwise
- */
-int ufs_qcom_ice_suspend(struct ufs_qcom_host *qcom_host)
-{
- struct device *dev = qcom_host->hba->dev;
- int err = 0;
-
- if (!qcom_host->ice.pdev) {
- dev_dbg(dev, "%s: ice device is not enabled\n", __func__);
- goto out;
- }
-
- if (qcom_host->ice.vops->suspend) {
- err = qcom_host->ice.vops->suspend(qcom_host->ice.pdev);
- if (err) {
- dev_err(qcom_host->hba->dev,
- "%s: ice_vops->suspend failed. err %d\n",
- __func__, err);
- return -EINVAL;
- }
- }
-
- if (qcom_host->ice.state == UFS_QCOM_ICE_STATE_ACTIVE) {
- qcom_host->ice.state = UFS_QCOM_ICE_STATE_SUSPENDED;
- } else if (qcom_host->ice.state == UFS_QCOM_ICE_STATE_DISABLED) {
- dev_err(qcom_host->hba->dev,
- "%s: ice state is invalid: disabled\n",
- __func__);
- err = -EINVAL;
- }
-
-out:
- return err;
-}
-
-/**
- * ufs_qcom_ice_get_status() - returns the status of an ICE transaction
- * @qcom_host: Pointer to a UFS QCom internal host structure.
- * qcom_host, qcom_host->hba and qcom_host->hba->dev should all
- * be valid pointers.
- * @ice_status: Pointer to a valid output parameter.
- * < 0 in case of ICE transaction failure.
- * 0 otherwise.
- *
- * Return: -EINVAL in-case of an error
- * 0 otherwise
- */
-int ufs_qcom_ice_get_status(struct ufs_qcom_host *qcom_host, int *ice_status)
-{
- struct device *dev = NULL;
- int err = 0;
- int stat = -EINVAL;
-
- ice_status = 0;
-
- dev = qcom_host->hba->dev;
- if (!dev) {
- err = -EINVAL;
- goto out;
- }
-
- if (!qcom_host->ice.pdev) {
- dev_dbg(dev, "%s: ice device is not enabled\n", __func__);
- goto out;
- }
-
- if (qcom_host->ice.state != UFS_QCOM_ICE_STATE_ACTIVE) {
- err = -EINVAL;
- goto out;
- }
-
- if (!qcom_host->ice.vops) {
- dev_err(dev, "%s: invalid ice_vops\n", __func__);
- return -EINVAL;
- }
-
- if (qcom_host->ice.vops->status) {
- stat = qcom_host->ice.vops->status(qcom_host->ice.pdev);
- if (stat < 0) {
- dev_err(dev, "%s: ice_vops->status failed. stat %d\n",
- __func__, stat);
- err = -EINVAL;
- goto out;
- }
-
- *ice_status = stat;
- }
-
-out:
- return err;
-}
diff --git a/drivers/scsi/ufs/ufs-qcom-ice.h b/drivers/scsi/ufs/ufs-qcom-ice.h
deleted file mode 100644
index 5ccbf5f..0000000
--- a/drivers/scsi/ufs/ufs-qcom-ice.h
+++ /dev/null
@@ -1,113 +0,0 @@
-/* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef _UFS_QCOM_ICE_H_
-#define _UFS_QCOM_ICE_H_
-
-#include <scsi/scsi_cmnd.h>
-
-#include "ufs-qcom.h"
-
-/*
- * UFS host controller ICE registers. There are n [0..31]
- * of each of these registers
- */
-enum {
- REG_UFS_QCOM_ICE_CTRL_INFO_1_n = 0x2204,
- REG_UFS_QCOM_ICE_CTRL_INFO_2_n = 0x2208,
-};
-
-/* UFS QCOM ICE CTRL Info 2 register offset */
-enum {
- OFFSET_UFS_QCOM_ICE_CTRL_INFO_2_BYPASS = 0,
- OFFSET_UFS_QCOM_ICE_CTRL_INFO_2_KEY_INDEX = 0x1,
- OFFSET_UFS_QCOM_ICE_CTRL_INFO_2_CDU = 0x6,
-};
-
-/* UFS QCOM ICE CTRL Info 2 register masks */
-enum {
- MASK_UFS_QCOM_ICE_CTRL_INFO_2_BYPASS = 0x1,
- MASK_UFS_QCOM_ICE_CTRL_INFO_2_KEY_INDEX = 0x1F,
- MASK_UFS_QCOM_ICE_CTRL_INFO_2_CDU = 0x8,
-};
-
-/* UFS QCOM ICE encryption/decryption bypass state */
-enum {
- UFS_QCOM_ICE_DISABLE_BYPASS = 0,
- UFS_QCOM_ICE_ENABLE_BYPASS = 1,
-};
-
-/* UFS QCOM ICE Crypto Data Unit of target DUN of Transfer Request */
-enum {
- UFS_QCOM_ICE_TR_DATA_UNIT_512_B = 0,
- UFS_QCOM_ICE_TR_DATA_UNIT_1_KB = 1,
- UFS_QCOM_ICE_TR_DATA_UNIT_2_KB = 2,
- UFS_QCOM_ICE_TR_DATA_UNIT_4_KB = 3,
- UFS_QCOM_ICE_TR_DATA_UNIT_8_KB = 4,
- UFS_QCOM_ICE_TR_DATA_UNIT_16_KB = 5,
- UFS_QCOM_ICE_TR_DATA_UNIT_32_KB = 6,
-};
-
-/* UFS QCOM ICE internal state */
-enum {
- UFS_QCOM_ICE_STATE_DISABLED = 0,
- UFS_QCOM_ICE_STATE_ACTIVE = 1,
- UFS_QCOM_ICE_STATE_SUSPENDED = 2,
-};
-
-#ifdef CONFIG_SCSI_UFS_QCOM_ICE
-int ufs_qcom_ice_get_dev(struct ufs_qcom_host *qcom_host);
-int ufs_qcom_ice_init(struct ufs_qcom_host *qcom_host);
-int ufs_qcom_ice_cfg(struct ufs_qcom_host *qcom_host, struct scsi_cmnd *cmd);
-int ufs_qcom_ice_reset(struct ufs_qcom_host *qcom_host);
-int ufs_qcom_ice_resume(struct ufs_qcom_host *qcom_host);
-int ufs_qcom_ice_suspend(struct ufs_qcom_host *qcom_host);
-int ufs_qcom_ice_get_status(struct ufs_qcom_host *qcom_host, int *ice_status);
-#else
-inline int ufs_qcom_ice_get_dev(struct ufs_qcom_host *qcom_host)
-{
- if (qcom_host) {
- qcom_host->ice.pdev = NULL;
- qcom_host->ice.vops = NULL;
- }
- return -ENODEV;
-}
-inline int ufs_qcom_ice_init(struct ufs_qcom_host *qcom_host)
-{
- return 0;
-}
-inline int ufs_qcom_ice_cfg(struct ufs_qcom_host *qcom_host,
- struct scsi_cmnd *cmd)
-{
- return 0;
-}
-inline int ufs_qcom_ice_reset(struct ufs_qcom_host *qcom_host)
-{
- return 0;
-}
-inline int ufs_qcom_ice_resume(struct ufs_qcom_host *qcom_host)
-{
- return 0;
-}
-inline int ufs_qcom_ice_suspend(struct ufs_qcom_host *qcom_host)
-{
- return 0;
-}
-inline int ufs_qcom_ice_get_status(struct ufs_qcom_host *qcom_host,
- int *ice_status)
-{
- return 0;
-}
-#endif /* CONFIG_SCSI_UFS_QCOM_ICE */
-
-#endif /* UFS_QCOM_ICE_H_ */
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
index fd01255..9217af9 100644
--- a/drivers/scsi/ufs/ufs-qcom.c
+++ b/drivers/scsi/ufs/ufs-qcom.c
@@ -22,7 +22,6 @@
#include "unipro.h"
#include "ufs-qcom.h"
#include "ufshci.h"
-#include "ufs-qcom-ice.h"
static struct ufs_qcom_host *ufs_qcom_hosts[MAX_UFS_QCOM_HOSTS];
@@ -295,13 +294,6 @@ static int ufs_qcom_hce_enable_notify(struct ufs_hba *hba, bool status)
/* check if UFS PHY moved from DISABLED to HIBERN8 */
err = ufs_qcom_check_hibern8(hba);
ufs_qcom_enable_hw_clk_gating(hba);
- if (!err) {
- err = ufs_qcom_ice_reset(host);
- if (err)
- dev_err(hba->dev,
- "%s: ufs_qcom_ice_reset() failed %d\n",
- __func__, err);
- }
break;
default:
@@ -461,10 +453,6 @@ static int ufs_qcom_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
*/
ufs_qcom_disable_lane_clks(host);
phy_power_off(phy);
- ret = ufs_qcom_ice_suspend(host);
- if (ret)
- dev_err(hba->dev, "%s: failed ufs_qcom_ice_suspend %d\n",
- __func__, ret);
/* Assert PHY soft reset */
ufs_qcom_assert_reset(hba);
@@ -475,10 +463,8 @@ static int ufs_qcom_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op)
* If UniPro link is not active, PHY ref_clk, main PHY analog power
* rail and low noise analog power rail for PLL can be switched off.
*/
- if (!ufs_qcom_is_link_active(hba)) {
+ if (!ufs_qcom_is_link_active(hba))
phy_power_off(phy);
- ufs_qcom_ice_suspend(host);
- }
out:
return ret;
@@ -497,13 +483,6 @@ static int ufs_qcom_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
goto out;
}
- err = ufs_qcom_ice_resume(host);
- if (err) {
- dev_err(hba->dev, "%s: ufs_qcom_ice_resume failed, err = %d\n",
- __func__, err);
- goto out;
- }
-
hba->is_sys_suspended = false;
out:
@@ -938,30 +917,6 @@ static int ufs_qcom_init(struct ufs_hba *hba)
host->hba = hba;
hba->priv = (void *)host;
- err = ufs_qcom_ice_get_dev(host);
- if (err == -EPROBE_DEFER) {
- /*
- * UFS driver might be probed before ICE driver does.
- * In that case we would like to return EPROBE_DEFER code
- * in order to delay its probing.
- */
- dev_err(dev, "%s: required ICE device not probed yet err = %d\n",
- __func__, err);
- goto out_host_free;
-
- } else if (err == -ENODEV) {
- /*
- * ICE device is not enabled in DTS file. No need for further
- * initialization of ICE driver.
- */
- dev_warn(dev, "%s: ICE device is not enabled",
- __func__);
- } else if (err) {
- dev_err(dev, "%s: ufs_qcom_ice_get_dev failed %d\n",
- __func__, err);
- goto out_host_free;
- }
-
host->generic_phy = devm_phy_get(dev, "ufsphy");
if (IS_ERR(host->generic_phy)) {
@@ -989,15 +944,6 @@ static int ufs_qcom_init(struct ufs_hba *hba)
hba->caps |= UFSHCD_CAP_AUTO_BKOPS_SUSPEND;
ufs_qcom_setup_clocks(hba, true);
- if (host->ice.pdev) {
- err = ufs_qcom_ice_init(host);
- if (err) {
- dev_err(dev, "%s: ICE driver initialization failed (%d)\n",
- __func__, err);
- device_remove_file(dev, &host->bus_vote.max_bus_bw);
- goto out_disable_phy;
- }
- }
if (hba->dev->id < MAX_UFS_QCOM_HOSTS)
ufs_qcom_hosts[hba->dev->id] = host;
diff --git a/drivers/scsi/ufs/ufs-qcom.h b/drivers/scsi/ufs/ufs-qcom.h
index 8340f2c..9a6febd 100644
--- a/drivers/scsi/ufs/ufs-qcom.h
+++ b/drivers/scsi/ufs/ufs-qcom.h
@@ -151,30 +151,6 @@ struct ufs_qcom_bus_vote {
struct device_attribute max_bus_bw;
};
-/**
- * struct ufs_qcom_ice_data - ICE related information
- * @vops: pointer to variant operations of ICE
- * @async_done: completion for supporting ICE's driver asynchronous nature
- * @pdev: pointer to the proper ICE platform device
- * @state: UFS-ICE interface's internal state (see
- * ufs-qcom-ice.h for possible internal states)
- * @quirks: UFS-ICE interface related quirks
- */
-struct ufs_qcom_ice_data {
- struct qcom_ice_variant_ops *vops;
- struct completion async_done;
- struct platform_device *pdev;
- int state;
-
- /*
- * If UFS host controller should handle cryptographic engine's
- * errors, enables this quirk.
- */
- #define UFS_QCOM_ICE_QUIRK_HANDLE_CRYPTO_ENGINE_ERRORS UFS_BIT(0)
-
- u16 quirks;
-};
-
struct ufs_qcom_host {
struct phy *generic_phy;
struct ufs_hba *hba;
@@ -185,7 +161,6 @@ struct ufs_qcom_host {
struct clk *rx_l1_sync_clk;
struct clk *tx_l1_sync_clk;
bool is_lane_clks_enabled;
- struct ufs_qcom_ice_data ice;
};
#define ufs_qcom_is_link_off(hba) ufshcd_is_link_off(hba)
--
1.8.5.2
--
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