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committed 27b3b22dd98 dev_err(dev, "Not enough space to allocate %u B (at offset %llu)\n",// SPDX-License-Identifier: GPL-2.0/* Copyright (C) 2012-2018 ARM Limited or its affiliates. *//** * 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. * The pool starts right at the beginning of SRAM. * Returns zero for success, negative value otherwise. * * @drvdata: Associated device driver context */int cc_sram_mgr_init(struct cc_drvdata *drvdata){ struct cc_sram_ctx *ctx; dma_addr_t 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)); if ((start & 0x3) != 0) { dev_err(dev, "Invalid SRAM offset %pad\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; return 0;}/*! * Allocated buffer from SRAM pool.