1 files changed, 0 insertions, 105 deletions
diff --git a/drivers/hwspinlock/sirf_hwspinlock.c b/drivers/hwspinlock/sirf_hwspinlock.c
deleted file mode 100644
index a3f77120bad7..000000000000
--- a/drivers/hwspinlock/sirf_hwspinlock.c
+++ /dev/null
@@ -1,105 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * SIRF hardware spinlock driver
- *
- * Copyright (c) 2015 Cambridge Silicon Radio Limited, a CSR plc group company.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/device.h>
-#include <linux/io.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/hwspinlock.h>
-#include <linux/platform_device.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-
-#include "hwspinlock_internal.h"
-
-struct sirf_hwspinlock {
-	void __iomem *io_base;
-	struct hwspinlock_device bank;
-};
-
-/* Number of Hardware Spinlocks*/
-#define	HW_SPINLOCK_NUMBER	30
-
-/* Hardware spinlock register offsets */
-#define HW_SPINLOCK_BASE	0x404
-#define HW_SPINLOCK_OFFSET(x)	(HW_SPINLOCK_BASE + 0x4 * (x))
-
-static int sirf_hwspinlock_trylock(struct hwspinlock *lock)
-{
-	void __iomem *lock_addr = lock->priv;
-
-	/* attempt to acquire the lock by reading value == 1 from it */
-	return !!readl(lock_addr);
-}
-
-static void sirf_hwspinlock_unlock(struct hwspinlock *lock)
-{
-	void __iomem *lock_addr = lock->priv;
-
-	/* release the lock by writing 0 to it */
-	writel(0, lock_addr);
-}
-
-static const struct hwspinlock_ops sirf_hwspinlock_ops = {
-	.trylock = sirf_hwspinlock_trylock,
-	.unlock = sirf_hwspinlock_unlock,
-};
-
-static int sirf_hwspinlock_probe(struct platform_device *pdev)
-{
-	struct sirf_hwspinlock *hwspin;
-	struct hwspinlock *hwlock;
-	int idx;
-
-	if (!pdev->dev.of_node)
-		return -ENODEV;
-
-	hwspin = devm_kzalloc(&pdev->dev,
-			      struct_size(hwspin, bank.lock,
-					  HW_SPINLOCK_NUMBER),
-			      GFP_KERNEL);
-	if (!hwspin)
-		return -ENOMEM;
-
-	/* retrieve io base */
-	hwspin->io_base = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(hwspin->io_base))
-		return PTR_ERR(hwspin->io_base);
-
-	for (idx = 0; idx < HW_SPINLOCK_NUMBER; idx++) {
-		hwlock = &hwspin->bank.lock[idx];
-		hwlock->priv = hwspin->io_base + HW_SPINLOCK_OFFSET(idx);
-	}
-
-	platform_set_drvdata(pdev, hwspin);
-
-	return devm_hwspin_lock_register(&pdev->dev, &hwspin->bank,
-					 &sirf_hwspinlock_ops, 0,
-					 HW_SPINLOCK_NUMBER);
-}
-
-static const struct of_device_id sirf_hwpinlock_ids[] = {
-	{ .compatible = "sirf,hwspinlock", },
-	{},
-};
-MODULE_DEVICE_TABLE(of, sirf_hwpinlock_ids);
-
-static struct platform_driver sirf_hwspinlock_driver = {
-	.probe = sirf_hwspinlock_probe,
-	.driver = {
-		.name = "atlas7_hwspinlock",
-		.of_match_table = sirf_hwpinlock_ids,
-	},
-};
-
-module_platform_driver(sirf_hwspinlock_driver);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("SIRF Hardware spinlock driver");
-MODULE_AUTHOR("Wei Chen <wei.chen@csr.com>");