From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/drivers/crypto/ccree/cc_sram_mgr.c | 81 +++++++++++++---------------------------
1 files changed, 26 insertions(+), 55 deletions(-)
diff --git a/kernel/drivers/crypto/ccree/cc_sram_mgr.c b/kernel/drivers/crypto/ccree/cc_sram_mgr.c
index c8c276f..37a9585 100644
--- a/kernel/drivers/crypto/ccree/cc_sram_mgr.c
+++ b/kernel/drivers/crypto/ccree/cc_sram_mgr.c
@@ -1,27 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */
+/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
#include "cc_driver.h"
#include "cc_sram_mgr.h"
-
-/**
- * struct cc_sram_ctx -Internal RAM context manager
- * @sram_free_offset: the offset to the non-allocated area
- */
-struct cc_sram_ctx {
- cc_sram_addr_t sram_free_offset;
-};
-
-/**
- * cc_sram_mgr_fini() - Cleanup SRAM pool.
- *
- * @drvdata: Associated device driver context
- */
-void cc_sram_mgr_fini(struct cc_drvdata *drvdata)
-{
- /* Free "this" context */
- kfree(drvdata->sram_mgr_handle);
-}
/**
* cc_sram_mgr_init() - Initializes SRAM pool.
@@ -29,65 +10,56 @@
* Returns zero for success, negative value otherwise.
*
* @drvdata: Associated device driver context
+ *
+ * Return:
+ * 0 for success, negative error code for failure.
*/
int cc_sram_mgr_init(struct cc_drvdata *drvdata)
{
- struct cc_sram_ctx *ctx;
- dma_addr_t start = 0;
+ u32 start = 0;
struct device *dev = drvdata_to_dev(drvdata);
if (drvdata->hw_rev < CC_HW_REV_712) {
/* Pool starts after ROM bytes */
- start = (dma_addr_t)cc_ioread(drvdata,
- CC_REG(HOST_SEP_SRAM_THRESHOLD));
-
+ start = cc_ioread(drvdata, CC_REG(HOST_SEP_SRAM_THRESHOLD));
if ((start & 0x3) != 0) {
- dev_err(dev, "Invalid SRAM offset %pad\n", &start);
+ dev_err(dev, "Invalid SRAM offset 0x%x\n", start);
return -EINVAL;
}
}
- /* Allocate "this" context */
- ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
-
- if (!ctx)
- return -ENOMEM;
-
- ctx->sram_free_offset = start;
- drvdata->sram_mgr_handle = ctx;
-
+ drvdata->sram_free_offset = start;
return 0;
}
-/*!
- * Allocated buffer from SRAM pool.
- * Note: Caller is responsible to free the LAST allocated buffer.
- * This function does not taking care of any fragmentation may occur
- * by the order of calls to alloc/free.
+/**
+ * cc_sram_alloc() - Allocate buffer from SRAM pool.
*
- * \param drvdata
- * \param size The requested bytes to allocate
+ * @drvdata: Associated device driver context
+ * @size: The requested numer of bytes to allocate
+ *
+ * Return:
+ * Address offset in SRAM or NULL_SRAM_ADDR for failure.
*/
-cc_sram_addr_t cc_sram_alloc(struct cc_drvdata *drvdata, u32 size)
+u32 cc_sram_alloc(struct cc_drvdata *drvdata, u32 size)
{
- struct cc_sram_ctx *smgr_ctx = drvdata->sram_mgr_handle;
struct device *dev = drvdata_to_dev(drvdata);
- cc_sram_addr_t p;
+ u32 p;
if ((size & 0x3)) {
dev_err(dev, "Requested buffer size (%u) is not multiple of 4",
size);
return NULL_SRAM_ADDR;
}
- if (size > (CC_CC_SRAM_SIZE - smgr_ctx->sram_free_offset)) {
- dev_err(dev, "Not enough space to allocate %u B (at offset %llu)\n",
- size, smgr_ctx->sram_free_offset);
+ if (size > (CC_CC_SRAM_SIZE - drvdata->sram_free_offset)) {
+ dev_err(dev, "Not enough space to allocate %u B (at offset %u)\n",
+ size, drvdata->sram_free_offset);
return NULL_SRAM_ADDR;
}
- p = smgr_ctx->sram_free_offset;
- smgr_ctx->sram_free_offset += size;
- dev_dbg(dev, "Allocated %u B @ %u\n", size, (unsigned int)p);
+ p = drvdata->sram_free_offset;
+ drvdata->sram_free_offset += size;
+ dev_dbg(dev, "Allocated %u B @ %u\n", size, p);
return p;
}
@@ -98,13 +70,12 @@
*
* @src: A pointer to array of words to set as consts.
* @dst: The target SRAM buffer to set into
- * @nelements: The number of words in "src" array
+ * @nelement: The number of words in "src" array
* @seq: A pointer to the given IN/OUT descriptor sequence
* @seq_len: A pointer to the given IN/OUT sequence length
*/
-void cc_set_sram_desc(const u32 *src, cc_sram_addr_t dst,
- unsigned int nelement, struct cc_hw_desc *seq,
- unsigned int *seq_len)
+void cc_set_sram_desc(const u32 *src, u32 dst, unsigned int nelement,
+ struct cc_hw_desc *seq, unsigned int *seq_len)
{
u32 i;
unsigned int idx = *seq_len;
--
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