1 files changed, 0 insertions, 148 deletions
diff --git a/drivers/scsi/ufs/cdns-pltfrm.c b/drivers/scsi/ufs/cdns-pltfrm.c
deleted file mode 100644
index 4a37b4f57164..000000000000
--- a/drivers/scsi/ufs/cdns-pltfrm.c
+++ /dev/null
@@ -1,148 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Platform UFS Host driver for Cadence controller
- *
- * Copyright (C) 2018 Cadence Design Systems, Inc.
- *
- * Authors:
- *	Jan Kotas <jank@cadence.com>
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/of.h>
-#include <linux/time.h>
-
-#include "ufshcd-pltfrm.h"
-
-#define CDNS_UFS_REG_HCLKDIV 0xFC
-
-/**
- * Sets HCLKDIV register value based on the core_clk
- * @hba: host controller instance
- *
- * Return zero for success and non-zero for failure
- */
-static int cdns_ufs_set_hclkdiv(struct ufs_hba *hba)
-{
-	struct ufs_clk_info *clki;
-	struct list_head *head = &hba->clk_list_head;
-	unsigned long core_clk_rate = 0;
-	u32 core_clk_div = 0;
-
-	if (list_empty(head))
-		return 0;
-
-	list_for_each_entry(clki, head, list) {
-		if (IS_ERR_OR_NULL(clki->clk))
-			continue;
-		if (!strcmp(clki->name, "core_clk"))
-			core_clk_rate = clk_get_rate(clki->clk);
-	}
-
-	if (!core_clk_rate) {
-		dev_err(hba->dev, "%s: unable to find core_clk rate\n",
-			__func__);
-		return -EINVAL;
-	}
-
-	core_clk_div = core_clk_rate / USEC_PER_SEC;
-
-	ufshcd_writel(hba, core_clk_div, CDNS_UFS_REG_HCLKDIV);
-	/**
-	 * Make sure the register was updated,
-	 * UniPro layer will not work with an incorrect value.
-	 */
-	mb();
-
-	return 0;
-}
-
-/**
- * Sets clocks used by the controller
- * @hba: host controller instance
- * @on: if true, enable clocks, otherwise disable
- * @status: notify stage (pre, post change)
- *
- * Return zero for success and non-zero for failure
- */
-static int cdns_ufs_setup_clocks(struct ufs_hba *hba, bool on,
-				 enum ufs_notify_change_status status)
-{
-	if ((!on) || (status == PRE_CHANGE))
-		return 0;
-
-	return cdns_ufs_set_hclkdiv(hba);
-}
-
-static struct ufs_hba_variant_ops cdns_pltfm_hba_vops = {
-	.name = "cdns-ufs-pltfm",
-	.setup_clocks = cdns_ufs_setup_clocks,
-};
-
-/**
- * cdns_ufs_pltfrm_probe - probe routine of the driver
- * @pdev: pointer to platform device handle
- *
- * Return zero for success and non-zero for failure
- */
-static int cdns_ufs_pltfrm_probe(struct platform_device *pdev)
-{
-	int err;
-	struct device *dev = &pdev->dev;
-
-	/* Perform generic probe */
-	err = ufshcd_pltfrm_init(pdev, &cdns_pltfm_hba_vops);
-	if (err)
-		dev_err(dev, "ufshcd_pltfrm_init() failed %d\n", err);
-
-	return err;
-}
-
-/**
- * cdns_ufs_pltfrm_remove - removes the ufs driver
- * @pdev: pointer to platform device handle
- *
- * Always returns 0
- */
-static int cdns_ufs_pltfrm_remove(struct platform_device *pdev)
-{
-	struct ufs_hba *hba =  platform_get_drvdata(pdev);
-
-	ufshcd_remove(hba);
-	return 0;
-}
-
-static const struct of_device_id cdns_ufs_of_match[] = {
-	{ .compatible = "cdns,ufshc" },
-	{},
-};
-
-MODULE_DEVICE_TABLE(of, cdns_ufs_of_match);
-
-static const struct dev_pm_ops cdns_ufs_dev_pm_ops = {
-	.suspend         = ufshcd_pltfrm_suspend,
-	.resume          = ufshcd_pltfrm_resume,
-	.runtime_suspend = ufshcd_pltfrm_runtime_suspend,
-	.runtime_resume  = ufshcd_pltfrm_runtime_resume,
-	.runtime_idle    = ufshcd_pltfrm_runtime_idle,
-};
-
-static struct platform_driver cdns_ufs_pltfrm_driver = {
-	.probe	= cdns_ufs_pltfrm_probe,
-	.remove	= cdns_ufs_pltfrm_remove,
-	.driver	= {
-		.name   = "cdns-ufshcd",
-		.pm     = &cdns_ufs_dev_pm_ops,
-		.of_match_table = cdns_ufs_of_match,
-	},
-};
-
-module_platform_driver(cdns_ufs_pltfrm_driver);
-
-MODULE_AUTHOR("Jan Kotas <jank@cadence.com>");
-MODULE_DESCRIPTION("Cadence UFS host controller platform driver");
-MODULE_LICENSE("GPL v2");
-MODULE_VERSION(UFSHCD_DRIVER_VERSION);