From patchwork Tue Jun 22 20:07:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bhaumik Bhatt X-Patchwork-Id: 12338489 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D321AC48BDF for ; Tue, 22 Jun 2021 20:07:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BC1DE6109E for ; Tue, 22 Jun 2021 20:07:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232979AbhFVUJq (ORCPT ); Tue, 22 Jun 2021 16:09:46 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:45028 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233189AbhFVUJj (ORCPT ); Tue, 22 Jun 2021 16:09:39 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1624392443; h=Message-Id: Date: Subject: Cc: To: From: Sender; bh=u3icivfzXW7SeHvViiugEBlyiKme/+4SqEK6XCji1N0=; b=s39v6u0XD0nlB+uQpad9YwVH/4dCmdap4cJtvUCitsQeVtQJ0Lg4bATYpzwhmBVzpZ98b6pW 8VjG/5OGNN1fVKkYBd4wxOfbkZZKBS1wepsDxRBmA7ys02j+tjXunIkCfTqC0gNB2Yv6S8mH 1QvJNZxsbby3W1DNmhLjArwbzZk= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n02.prod.us-west-2.postgun.com with SMTP id 60d242f801dd9a9431d2ec9a (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Tue, 22 Jun 2021 20:07:20 GMT Sender: bbhatt=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 6DE99C41622; Tue, 22 Jun 2021 20:07:20 +0000 (UTC) Received: from malabar-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: bbhatt) by smtp.codeaurora.org (Postfix) with ESMTPSA id 3A921C2AC8B; Tue, 22 Jun 2021 20:07:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 3A921C2AC8B Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=bbhatt@codeaurora.org From: Bhaumik Bhatt To: manivannan.sadhasivam@linaro.org Cc: linux-arm-msm@vger.kernel.org, hemantk@codeaurora.org, jhugo@codeaurora.org, linux-kernel@vger.kernel.org, loic.poulain@linaro.org, Bhaumik Bhatt Subject: [PATCH] bus: mhi: core: Replace DMA allocation wrappers with original APIs Date: Tue, 22 Jun 2021 13:07:08 -0700 Message-Id: <1624392428-9328-1-git-send-email-bbhatt@codeaurora.org> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org There is nothing special done within the mhi_alloc_coherent() and the mhi_free_coherent() wrapper functions. They only directly call the equivalent DMA allocation functions. Replace them with the original function calls such that the implementation is clear and direct. Signed-off-by: Bhaumik Bhatt Reviewed-by: Manivannan Sadhasivam --- drivers/bus/mhi/core/boot.c | 17 +++++++++-------- drivers/bus/mhi/core/init.c | 32 ++++++++++++++++---------------- drivers/bus/mhi/core/internal.h | 20 -------------------- drivers/bus/mhi/core/main.c | 6 +++--- 4 files changed, 28 insertions(+), 47 deletions(-) diff --git a/drivers/bus/mhi/core/boot.c b/drivers/bus/mhi/core/boot.c index 8100cf5..0a97262 100644 --- a/drivers/bus/mhi/core/boot.c +++ b/drivers/bus/mhi/core/boot.c @@ -302,8 +302,8 @@ void mhi_free_bhie_table(struct mhi_controller *mhi_cntrl, struct mhi_buf *mhi_buf = image_info->mhi_buf; for (i = 0; i < image_info->entries; i++, mhi_buf++) - mhi_free_coherent(mhi_cntrl, mhi_buf->len, mhi_buf->buf, - mhi_buf->dma_addr); + dma_free_coherent(mhi_cntrl->cntrl_dev, mhi_buf->len, + mhi_buf->buf, mhi_buf->dma_addr); kfree(image_info->mhi_buf); kfree(image_info); @@ -339,8 +339,8 @@ int mhi_alloc_bhie_table(struct mhi_controller *mhi_cntrl, vec_size = sizeof(struct bhi_vec_entry) * i; mhi_buf->len = vec_size; - mhi_buf->buf = mhi_alloc_coherent(mhi_cntrl, vec_size, - &mhi_buf->dma_addr, + mhi_buf->buf = dma_alloc_coherent(mhi_cntrl->cntrl_dev, + vec_size, &mhi_buf->dma_addr, GFP_KERNEL); if (!mhi_buf->buf) goto error_alloc_segment; @@ -354,8 +354,8 @@ int mhi_alloc_bhie_table(struct mhi_controller *mhi_cntrl, error_alloc_segment: for (--i, --mhi_buf; i >= 0; i--, mhi_buf--) - mhi_free_coherent(mhi_cntrl, mhi_buf->len, mhi_buf->buf, - mhi_buf->dma_addr); + dma_free_coherent(mhi_cntrl->cntrl_dev, mhi_buf->len, + mhi_buf->buf, mhi_buf->dma_addr); error_alloc_mhi_buf: kfree(img_info); @@ -442,7 +442,8 @@ void mhi_fw_load_handler(struct mhi_controller *mhi_cntrl) if (size > firmware->size) size = firmware->size; - buf = mhi_alloc_coherent(mhi_cntrl, size, &dma_addr, GFP_KERNEL); + buf = dma_alloc_coherent(mhi_cntrl->cntrl_dev, size, &dma_addr, + GFP_KERNEL); if (!buf) { release_firmware(firmware); goto error_fw_load; @@ -451,7 +452,7 @@ void mhi_fw_load_handler(struct mhi_controller *mhi_cntrl) /* Download image using BHI */ memcpy(buf, firmware->data, size); ret = mhi_fw_load_bhi(mhi_cntrl, dma_addr, size); - mhi_free_coherent(mhi_cntrl, size, buf, dma_addr); + dma_free_coherent(mhi_cntrl->cntrl_dev, size, buf, dma_addr); /* Error or in EDL mode, we're done */ if (ret) { diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c index 4446760..c7ba715 100644 --- a/drivers/bus/mhi/core/init.c +++ b/drivers/bus/mhi/core/init.c @@ -129,7 +129,7 @@ static int mhi_alloc_aligned_ring(struct mhi_controller *mhi_cntrl, u64 len) { ring->alloc_size = len + (len - 1); - ring->pre_aligned = mhi_alloc_coherent(mhi_cntrl, ring->alloc_size, + ring->pre_aligned = dma_alloc_coherent(mhi_cntrl->cntrl_dev, ring->alloc_size, &ring->dma_handle, GFP_KERNEL); if (!ring->pre_aligned) return -ENOMEM; @@ -221,13 +221,13 @@ void mhi_deinit_dev_ctxt(struct mhi_controller *mhi_cntrl) mhi_cmd = mhi_cntrl->mhi_cmd; for (i = 0; i < NR_OF_CMD_RINGS; i++, mhi_cmd++) { ring = &mhi_cmd->ring; - mhi_free_coherent(mhi_cntrl, ring->alloc_size, + dma_free_coherent(mhi_cntrl->cntrl_dev, ring->alloc_size, ring->pre_aligned, ring->dma_handle); ring->base = NULL; ring->iommu_base = 0; } - mhi_free_coherent(mhi_cntrl, + dma_free_coherent(mhi_cntrl->cntrl_dev, sizeof(*mhi_ctxt->cmd_ctxt) * NR_OF_CMD_RINGS, mhi_ctxt->cmd_ctxt, mhi_ctxt->cmd_ctxt_addr); @@ -237,17 +237,17 @@ void mhi_deinit_dev_ctxt(struct mhi_controller *mhi_cntrl) continue; ring = &mhi_event->ring; - mhi_free_coherent(mhi_cntrl, ring->alloc_size, + dma_free_coherent(mhi_cntrl->cntrl_dev, ring->alloc_size, ring->pre_aligned, ring->dma_handle); ring->base = NULL; ring->iommu_base = 0; } - mhi_free_coherent(mhi_cntrl, sizeof(*mhi_ctxt->er_ctxt) * + dma_free_coherent(mhi_cntrl->cntrl_dev, sizeof(*mhi_ctxt->er_ctxt) * mhi_cntrl->total_ev_rings, mhi_ctxt->er_ctxt, mhi_ctxt->er_ctxt_addr); - mhi_free_coherent(mhi_cntrl, sizeof(*mhi_ctxt->chan_ctxt) * + dma_free_coherent(mhi_cntrl->cntrl_dev, sizeof(*mhi_ctxt->chan_ctxt) * mhi_cntrl->max_chan, mhi_ctxt->chan_ctxt, mhi_ctxt->chan_ctxt_addr); @@ -275,7 +275,7 @@ int mhi_init_dev_ctxt(struct mhi_controller *mhi_cntrl) return -ENOMEM; /* Setup channel ctxt */ - mhi_ctxt->chan_ctxt = mhi_alloc_coherent(mhi_cntrl, + mhi_ctxt->chan_ctxt = dma_alloc_coherent(mhi_cntrl->cntrl_dev, sizeof(*mhi_ctxt->chan_ctxt) * mhi_cntrl->max_chan, &mhi_ctxt->chan_ctxt_addr, @@ -307,7 +307,7 @@ int mhi_init_dev_ctxt(struct mhi_controller *mhi_cntrl) } /* Setup event context */ - mhi_ctxt->er_ctxt = mhi_alloc_coherent(mhi_cntrl, + mhi_ctxt->er_ctxt = dma_alloc_coherent(mhi_cntrl->cntrl_dev, sizeof(*mhi_ctxt->er_ctxt) * mhi_cntrl->total_ev_rings, &mhi_ctxt->er_ctxt_addr, @@ -354,7 +354,7 @@ int mhi_init_dev_ctxt(struct mhi_controller *mhi_cntrl) /* Setup cmd context */ ret = -ENOMEM; - mhi_ctxt->cmd_ctxt = mhi_alloc_coherent(mhi_cntrl, + mhi_ctxt->cmd_ctxt = dma_alloc_coherent(mhi_cntrl->cntrl_dev, sizeof(*mhi_ctxt->cmd_ctxt) * NR_OF_CMD_RINGS, &mhi_ctxt->cmd_ctxt_addr, @@ -389,10 +389,10 @@ int mhi_init_dev_ctxt(struct mhi_controller *mhi_cntrl) for (--i, --mhi_cmd; i >= 0; i--, mhi_cmd--) { struct mhi_ring *ring = &mhi_cmd->ring; - mhi_free_coherent(mhi_cntrl, ring->alloc_size, + dma_free_coherent(mhi_cntrl->cntrl_dev, ring->alloc_size, ring->pre_aligned, ring->dma_handle); } - mhi_free_coherent(mhi_cntrl, + dma_free_coherent(mhi_cntrl->cntrl_dev, sizeof(*mhi_ctxt->cmd_ctxt) * NR_OF_CMD_RINGS, mhi_ctxt->cmd_ctxt, mhi_ctxt->cmd_ctxt_addr); i = mhi_cntrl->total_ev_rings; @@ -405,15 +405,15 @@ int mhi_init_dev_ctxt(struct mhi_controller *mhi_cntrl) if (mhi_event->offload_ev) continue; - mhi_free_coherent(mhi_cntrl, ring->alloc_size, + dma_free_coherent(mhi_cntrl->cntrl_dev, ring->alloc_size, ring->pre_aligned, ring->dma_handle); } - mhi_free_coherent(mhi_cntrl, sizeof(*mhi_ctxt->er_ctxt) * + dma_free_coherent(mhi_cntrl->cntrl_dev, sizeof(*mhi_ctxt->er_ctxt) * mhi_cntrl->total_ev_rings, mhi_ctxt->er_ctxt, mhi_ctxt->er_ctxt_addr); error_alloc_er_ctxt: - mhi_free_coherent(mhi_cntrl, sizeof(*mhi_ctxt->chan_ctxt) * + dma_free_coherent(mhi_cntrl->cntrl_dev, sizeof(*mhi_ctxt->chan_ctxt) * mhi_cntrl->max_chan, mhi_ctxt->chan_ctxt, mhi_ctxt->chan_ctxt_addr); @@ -567,7 +567,7 @@ void mhi_deinit_chan_ctxt(struct mhi_controller *mhi_cntrl, if (!chan_ctxt->rbase) /* Already uninitialized */ return; - mhi_free_coherent(mhi_cntrl, tre_ring->alloc_size, + dma_free_coherent(mhi_cntrl->cntrl_dev, tre_ring->alloc_size, tre_ring->pre_aligned, tre_ring->dma_handle); vfree(buf_ring->base); @@ -610,7 +610,7 @@ int mhi_init_chan_ctxt(struct mhi_controller *mhi_cntrl, buf_ring->base = vzalloc(buf_ring->len); if (!buf_ring->base) { - mhi_free_coherent(mhi_cntrl, tre_ring->alloc_size, + dma_free_coherent(mhi_cntrl->cntrl_dev, tre_ring->alloc_size, tre_ring->pre_aligned, tre_ring->dma_handle); return -ENOMEM; } diff --git a/drivers/bus/mhi/core/internal.h b/drivers/bus/mhi/core/internal.h index 672052f..b5594fa 100644 --- a/drivers/bus/mhi/core/internal.h +++ b/drivers/bus/mhi/core/internal.h @@ -690,26 +690,6 @@ void mhi_deinit_chan_ctxt(struct mhi_controller *mhi_cntrl, void mhi_reset_chan(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan); -/* Memory allocation methods */ -static inline void *mhi_alloc_coherent(struct mhi_controller *mhi_cntrl, - size_t size, - dma_addr_t *dma_handle, - gfp_t gfp) -{ - void *buf = dma_alloc_coherent(mhi_cntrl->cntrl_dev, size, dma_handle, - gfp); - - return buf; -} - -static inline void mhi_free_coherent(struct mhi_controller *mhi_cntrl, - size_t size, - void *vaddr, - dma_addr_t dma_handle) -{ - dma_free_coherent(mhi_cntrl->cntrl_dev, size, vaddr, dma_handle); -} - /* Event processing methods */ void mhi_ctrl_ev_task(unsigned long data); void mhi_ev_task(unsigned long data); diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c index 02c8c09..409c68bc 100644 --- a/drivers/bus/mhi/core/main.c +++ b/drivers/bus/mhi/core/main.c @@ -193,7 +193,7 @@ int mhi_map_single_no_bb(struct mhi_controller *mhi_cntrl, int mhi_map_single_use_bb(struct mhi_controller *mhi_cntrl, struct mhi_buf_info *buf_info) { - void *buf = mhi_alloc_coherent(mhi_cntrl, buf_info->len, + void *buf = dma_alloc_coherent(mhi_cntrl->cntrl_dev, buf_info->len, &buf_info->p_addr, GFP_ATOMIC); if (!buf) @@ -220,8 +220,8 @@ void mhi_unmap_single_use_bb(struct mhi_controller *mhi_cntrl, if (buf_info->dir == DMA_FROM_DEVICE) memcpy(buf_info->v_addr, buf_info->bb_addr, buf_info->len); - mhi_free_coherent(mhi_cntrl, buf_info->len, buf_info->bb_addr, - buf_info->p_addr); + dma_free_coherent(mhi_cntrl->cntrl_dev, buf_info->len, + buf_info->bb_addr, buf_info->p_addr); } static int get_nr_avail_ring_elements(struct mhi_controller *mhi_cntrl,