1 files changed, 0 insertions, 167 deletions

diff --git a/arch/arm/mach-mmp/sram.c b/arch/arm/mach-mmp/sram.c
deleted file mode 100644
index ecc46c31004f..000000000000
--- a/arch/arm/mach-mmp/sram.c
+++ /dev/null
@@ -1,167 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- *  linux/arch/arm/mach-mmp/sram.c
- *
- *  based on mach-davinci/sram.c - DaVinci simple SRAM allocator
- *
- *  Copyright (c) 2011 Marvell Semiconductors Inc.
- *  All Rights Reserved
- *
- *  Add for mmp sram support - Leo Yan <leoy@marvell.com>
- */
-
-#include <linux/module.h>
-#include <linux/mod_devicetable.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-#include <linux/err.h>
-#include <linux/slab.h>
-#include <linux/genalloc.h>
-
-#include <linux/platform_data/dma-mmp_tdma.h>
-
-struct sram_bank_info {
-	char *pool_name;
-	struct gen_pool *gpool;
-	int granularity;
-
-	phys_addr_t sram_phys;
-	void __iomem *sram_virt;
-	u32 sram_size;
-
-	struct list_head node;
-};
-
-static DEFINE_MUTEX(sram_lock);
-static LIST_HEAD(sram_bank_list);
-
-struct gen_pool *sram_get_gpool(char *pool_name)
-{
-	struct sram_bank_info *info = NULL;
-
-	if (!pool_name)
-		return NULL;
-
-	mutex_lock(&sram_lock);
-
-	list_for_each_entry(info, &sram_bank_list, node)
-		if (!strcmp(pool_name, info->pool_name))
-			break;
-
-	mutex_unlock(&sram_lock);
-
-	if (&info->node == &sram_bank_list)
-		return NULL;
-
-	return info->gpool;
-}
-EXPORT_SYMBOL(sram_get_gpool);
-
-static int sram_probe(struct platform_device *pdev)
-{
-	struct sram_platdata *pdata = pdev->dev.platform_data;
-	struct sram_bank_info *info;
-	struct resource *res;
-	int ret = 0;
-
-	if (!pdata || !pdata->pool_name)
-		return -ENODEV;
-
-	info = kzalloc(sizeof(*info), GFP_KERNEL);
-	if (!info)
-		return -ENOMEM;
-
-	platform_set_drvdata(pdev, info);
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (res == NULL) {
-		dev_err(&pdev->dev, "no memory resource defined\n");
-		ret = -ENODEV;
-		goto out;
-	}
-
-	if (!resource_size(res))
-		return 0;
-
-	info->sram_phys   = (phys_addr_t)res->start;
-	info->sram_size   = resource_size(res);
-	info->sram_virt   = ioremap(info->sram_phys, info->sram_size);
-	info->pool_name	  = kstrdup(pdata->pool_name, GFP_KERNEL);
-	info->granularity = pdata->granularity;
-
-	info->gpool = gen_pool_create(ilog2(info->granularity), -1);
-	if (!info->gpool) {
-		dev_err(&pdev->dev, "create pool failed\n");
-		ret = -ENOMEM;
-		goto create_pool_err;
-	}
-
-	ret = gen_pool_add_virt(info->gpool, (unsigned long)info->sram_virt,
-				info->sram_phys, info->sram_size, -1);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "add new chunk failed\n");
-		ret = -ENOMEM;
-		goto add_chunk_err;
-	}
-
-	mutex_lock(&sram_lock);
-	list_add(&info->node, &sram_bank_list);
-	mutex_unlock(&sram_lock);
-
-	dev_info(&pdev->dev, "initialized\n");
-	return 0;
-
-add_chunk_err:
-	gen_pool_destroy(info->gpool);
-create_pool_err:
-	iounmap(info->sram_virt);
-	kfree(info->pool_name);
-out:
-	kfree(info);
-	return ret;
-}
-
-static int sram_remove(struct platform_device *pdev)
-{
-	struct sram_bank_info *info;
-
-	info = platform_get_drvdata(pdev);
-
-	if (info->sram_size) {
-		mutex_lock(&sram_lock);
-		list_del(&info->node);
-		mutex_unlock(&sram_lock);
-
-		gen_pool_destroy(info->gpool);
-		iounmap(info->sram_virt);
-		kfree(info->pool_name);
-	}
-
-	kfree(info);
-
-	return 0;
-}
-
-static const struct platform_device_id sram_id_table[] = {
-	{ "asram", MMP_ASRAM },
-	{ "isram", MMP_ISRAM },
-	{ }
-};
-
-static struct platform_driver sram_driver = {
-	.probe		= sram_probe,
-	.remove		= sram_remove,
-	.driver		= {
-		.name	= "mmp-sram",
-	},
-	.id_table	= sram_id_table,
-};
-
-static int __init sram_init(void)
-{
-	return platform_driver_register(&sram_driver);
-}
-core_initcall(sram_init);
-
-MODULE_LICENSE("GPL");