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Diffstat (limited to 'meta-rcar-gen3/recipes-kernel/linux/linux-renesas/0016-Revert-hwspinlock-rcar-Add-support-for-R-Car-Gen3-Ha.patch')
-rw-r--r--meta-rcar-gen3/recipes-kernel/linux/linux-renesas/0016-Revert-hwspinlock-rcar-Add-support-for-R-Car-Gen3-Ha.patch220
1 files changed, 0 insertions, 220 deletions
diff --git a/meta-rcar-gen3/recipes-kernel/linux/linux-renesas/0016-Revert-hwspinlock-rcar-Add-support-for-R-Car-Gen3-Ha.patch b/meta-rcar-gen3/recipes-kernel/linux/linux-renesas/0016-Revert-hwspinlock-rcar-Add-support-for-R-Car-Gen3-Ha.patch
deleted file mode 100644
index 7fd5650..0000000
--- a/meta-rcar-gen3/recipes-kernel/linux/linux-renesas/0016-Revert-hwspinlock-rcar-Add-support-for-R-Car-Gen3-Ha.patch
+++ /dev/null
@@ -1,220 +0,0 @@
-From 90628b9c9b731cff9071a6d587431e0a4b8e5c0a Mon Sep 17 00:00:00 2001
-From: Hiroki Negishi <hiroki.negishi.bx@renesas.com>
-Date: Mon, 13 Nov 2017 11:57:53 +0900
-Subject: [PATCH 16/23] Revert "hwspinlock: rcar: Add support for R-Car Gen3
- Hardware Spinlock"
-
-This reverts commit 18ff508d5241 ("hwspinlock: rcar: Add support
-for R-Car Gen3 Hardware Spinlock")
-
-Signed-off-by: Hiroki Negishi <hiroki.negishi.bx@renesas.com>
----
- drivers/hwspinlock/Kconfig | 13 ---
- drivers/hwspinlock/Makefile | 1 -
- drivers/hwspinlock/rcar_hwspinlock.c | 162 -----------------------------------
- 3 files changed, 176 deletions(-)
- delete mode 100644 drivers/hwspinlock/rcar_hwspinlock.c
-
-diff --git a/drivers/hwspinlock/Kconfig b/drivers/hwspinlock/Kconfig
-index f0c0a35..73a4016 100644
---- a/drivers/hwspinlock/Kconfig
-+++ b/drivers/hwspinlock/Kconfig
-@@ -53,17 +53,4 @@ config HSEM_U8500
-
- If unsure, say N.
-
--config HWSPINLOCK_RCAR
-- bool "R-Car Hardware Spinlock functionality"
-- depends on ARCH_RENESAS
-- select HWSPINLOCK
-- default y
-- help
-- Say y here to support the R-Car Hardware Spinlock functionality, which
-- provides a synchronisation mechanism for the various processor on the
-- SoC.
-- This function is implemented with MFIS device.
--
-- If unsure, say N.
--
- endmenu
-diff --git a/drivers/hwspinlock/Makefile b/drivers/hwspinlock/Makefile
-index 4ee4001..6b59cb5a 100644
---- a/drivers/hwspinlock/Makefile
-+++ b/drivers/hwspinlock/Makefile
-@@ -6,5 +6,4 @@ obj-$(CONFIG_HWSPINLOCK) += hwspinlock_core.o
- obj-$(CONFIG_HWSPINLOCK_OMAP) += omap_hwspinlock.o
- obj-$(CONFIG_HWSPINLOCK_QCOM) += qcom_hwspinlock.o
- obj-$(CONFIG_HWSPINLOCK_SIRF) += sirf_hwspinlock.o
--obj-$(CONFIG_HWSPINLOCK_RCAR) += rcar_hwspinlock.o
- obj-$(CONFIG_HSEM_U8500) += u8500_hsem.o
-diff --git a/drivers/hwspinlock/rcar_hwspinlock.c b/drivers/hwspinlock/rcar_hwspinlock.c
-deleted file mode 100644
-index 8b45c49..0000000
---- a/drivers/hwspinlock/rcar_hwspinlock.c
-+++ /dev/null
-@@ -1,162 +0,0 @@
--/*
-- * rcar_hwspinlock.c
-- *
-- * Copyright (C) 2017 Renesas Electronics Corporation
-- *
-- * This program is free software; you can redistribute it and/or modify
-- * it under the terms of the GNU General Public License 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/hwspinlock.h>
--#include <linux/kernel.h>
--#include <linux/module.h>
--#include <linux/pm_runtime.h>
--#include <linux/of.h>
--#include <linux/of_device.h>
--#include <linux/of_address.h>
--#include <linux/platform_device.h>
--#include <linux/io.h>
--#include <linux/sys_soc.h>
--
--#include "hwspinlock_internal.h"
--
--#define MFISLCKR0_OFFSET 0x000000C0
--#define MFISLCKR8_OFFSET 0x00000724
--#define MFISLCKR_NUM_8 8 /* r8a7795 ES1.*, r8a7796 ES1.* */
--#define MFISLCKR_NUM_64 64
--
--static int rcar_hwspinlock_trylock(struct hwspinlock *lock)
--{
-- void *addr = lock->priv;
--
-- return !ioread32((void __iomem *)addr);
--}
--
--static void rcar_hwspinlock_unlock(struct hwspinlock *lock)
--{
-- void *addr = lock->priv;
--
-- iowrite32(0, (void __iomem *)addr);
--}
--
--static const struct hwspinlock_ops rcar_hwspinlock_ops = {
-- .trylock = rcar_hwspinlock_trylock,
-- .unlock = rcar_hwspinlock_unlock,
--};
--
--static const struct soc_device_attribute mfislock_quirks_match[] = {
-- { .soc_id = "r8a7795", .revision = "ES1.*" },
-- { .soc_id = "r8a7796", .revision = "ES1.*" },
-- { /* sentinel */ }
--};
--
--static const struct of_device_id rcar_hwspinlock_of_match[] = {
-- { .compatible = "renesas,mfis-lock" },
-- { },
--};
--MODULE_DEVICE_TABLE(of, rcar_hwspinlock_of_match);
--
--static int rcar_hwspinlock_probe(struct platform_device *pdev)
--{
-- int ch;
-- int num_locks = MFISLCKR_NUM_64;
-- int ret = 0;
-- u32 __iomem *addr;
-- struct resource *res;
-- struct hwspinlock_device *bank;
--
-- /* allocate hwspinlock control info */
-- bank = devm_kzalloc(&pdev->dev, sizeof(*bank)
-- + sizeof(struct hwspinlock) * MFISLCKR_NUM_64,
-- GFP_KERNEL);
-- if (!bank) {
-- dev_err(&pdev->dev, "Failed to allocate memory.\n");
-- ret = -ENOMEM;
-- goto out;
-- }
--
-- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
--
-- /* map MFIS lock register */
-- addr = (u32 __iomem *)devm_ioremap_nocache(&pdev->dev,
-- res->start,
-- resource_size(res));
-- if (!addr) {
-- dev_err(&pdev->dev, "Failed to remap register.\n");
-- ret = PTR_ERR(addr);
-- goto out;
-- }
--
-- /* create lock for MFISLCKR0-7 */
-- for (ch = 0; ch < 8; ch++)
-- bank->lock[ch].priv = (void __force *)addr + MFISLCKR0_OFFSET
-- + sizeof(u32) * ch;
--
-- /* create lock for MFISLCKR8-63 */
-- for (ch = 8; ch < 64; ch++)
-- bank->lock[ch].priv = (void __force *)addr + MFISLCKR8_OFFSET
-- + sizeof(u32) * (ch - 8);
--
-- platform_set_drvdata(pdev, bank);
--
-- ret = of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
-- if (ret)
-- goto out;
--
-- pm_runtime_enable(&pdev->dev);
--
-- /* register hwspinlock */
-- if (soc_device_match(mfislock_quirks_match))
-- num_locks = MFISLCKR_NUM_8;
--
-- ret = hwspin_lock_register(bank, &pdev->dev, &rcar_hwspinlock_ops,
-- 0, num_locks);
-- if (ret)
-- pm_runtime_disable(&pdev->dev);
--
--out:
-- return ret;
--}
--
--static int rcar_hwspinlock_remove(struct platform_device *pdev)
--{
-- int ret;
--
-- ret = hwspin_lock_unregister(platform_get_drvdata(pdev));
-- if (ret) {
-- dev_err(&pdev->dev, "%s failed: %d\n", __func__, ret);
-- return ret;
-- }
--
-- pm_runtime_disable(&pdev->dev);
--
-- return 0;
--}
--
--static struct platform_driver rcar_hwspinlock_driver = {
-- .probe = rcar_hwspinlock_probe,
-- .remove = rcar_hwspinlock_remove,
-- .driver = {
-- .name = "rcar_hwspinlock",
-- .of_match_table = rcar_hwspinlock_of_match,
-- },
--};
--
--static int __init rcar_hwspinlock_init(void)
--{
-- return platform_driver_register(&rcar_hwspinlock_driver);
--}
--core_initcall(rcar_hwspinlock_init);
--
--static void __exit rcar_hwspinlock_exit(void)
--{
-- platform_driver_unregister(&rcar_hwspinlock_driver);
--}
--module_exit(rcar_hwspinlock_exit);
--
--MODULE_LICENSE("GPL v2");
---
-1.9.1
-