From mboxrd@z Thu Jan 1 00:00:00 1970 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 26955C432BE for ; Mon, 2 Aug 2021 05:14:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 09787610A0 for ; Mon, 2 Aug 2021 05:14:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232316AbhHBFOJ (ORCPT ); Mon, 2 Aug 2021 01:14:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55042 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232256AbhHBFOF (ORCPT ); Mon, 2 Aug 2021 01:14:05 -0400 Received: from mail-pj1-x1036.google.com (mail-pj1-x1036.google.com [IPv6:2607:f8b0:4864:20::1036]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B71F5C0617A5 for ; Sun, 1 Aug 2021 22:13:55 -0700 (PDT) Received: by mail-pj1-x1036.google.com with SMTP id b1-20020a17090a8001b029017700de3903so17931343pjn.1 for ; Sun, 01 Aug 2021 22:13:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=IqIs5ez0yorHF8hi6nCrdcbZPSdMhWpZ9fYEm1qjcAw=; b=wOFZEb/WqfJKzEdKXugNDdj3teMzTtprSWqXYz0yfF1+I+vog70+J2eEulFhYCO7ri igArQTRp74gNfRyPmPeYM5jp+WQsy6d5GYJTfvyyrNVdFpfoYejdubakPY3wFDfXhOZf qtxpsq5pcdLonhFNMiEhgp+k7xvFtkmDD1H1eUtT4TDF9YgOGeCHVypWQrWyeLHcS5t4 L3yip/8Zy0CoeldM9BLuGjHZm2WoKcwVj7B4iEZT/+EcQT/ESN1UMvtf7OUpTmvvwiOO FjVO8KAzmiV3mwLdgzR9LQGDjf+KBsioaYYuPeZfv8XeFJUfKITIVS18T1gr+xaPoKWX 2adg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=IqIs5ez0yorHF8hi6nCrdcbZPSdMhWpZ9fYEm1qjcAw=; b=EaI9E5hBZ4Sjy6bT0emyrsndxAZ+5R2/SBbw+LWb+HPl1ra9F2zSIU5BAAAd/BWaBr bLlprLNQutKhYN7avKTn2xPUT+Fc4cwe2cCx0AV0ZKZDUOBj4jfuuL7VTFAvN5mqp7ud WId6gKKssLWhdQCfBKLcPByEalXsmskdNgQlNuOX939h0fmMOqmYTZctJrSkqniy6nLi 254eI7F9yMF4HM/qWt0Eoj99UB8oGRDSCiHvo/Qpqo44ezKJgxsfW+FCCc+j16L9TrZV T3U7fp2SDiC1kNKVjIEu1XLr9//mJSH/IYHEcI9mOe+BhTij8Ks/m9UgQnJRGGT5ahls 365A== X-Gm-Message-State: AOAM53018otmHbTisjXriV2ODJUF3wymMrtHvcgQSyhdCUxROI70ZND0 gEALfzAJKr42lNSUZxuE9FkR X-Google-Smtp-Source: ABdhPJxbQpDewSzctNxoCsfyx7gJOa8TXXgua9rpp4RCaiXcmS+ZUuRiTFIc8u55lwHZIK1wuV7Nrw== X-Received: by 2002:a05:6a00:c81:b029:30e:21bf:4c15 with SMTP id a1-20020a056a000c81b029030e21bf4c15mr15034419pfv.70.1627881235173; Sun, 01 Aug 2021 22:13:55 -0700 (PDT) Received: from localhost.localdomain ([2409:4072:6e99:242f:6391:b1b4:1ad8:fbdf]) by smtp.gmail.com with ESMTPSA id x26sm9947000pfm.77.2021.08.01.22.13.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Aug 2021 22:13:54 -0700 (PDT) From: Manivannan Sadhasivam To: gregkh@linuxfoundation.org Cc: hemantk@codeaurora.org, bbhatt@codeaurora.org, linux-arm-msm@vger.kernel.org, jhugo@codeaurora.org, linux-kernel@vger.kernel.org, loic.poulain@linaro.org, Manivannan Sadhasivam Subject: [PATCH 09/10] bus: mhi: core: Replace DMA allocation wrappers with original APIs Date: Mon, 2 Aug 2021 10:42:54 +0530 Message-Id: <20210802051255.5771-10-manivannan.sadhasivam@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210802051255.5771-1-manivannan.sadhasivam@linaro.org> References: <20210802051255.5771-1-manivannan.sadhasivam@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Bhaumik Bhatt 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 Link: https://lore.kernel.org/r/1624392428-9328-1-git-send-email-bbhatt@codeaurora.org Signed-off-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 8100cf51cd09..0a972620a403 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 aeb1e3c2cdc4..5aaca6d0f52b 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 bc239a11aa69..721739c5e0d5 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 69cd9dcde6d8..c67fd001ded1 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, -- 2.25.1