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=-12.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 B3585C2D0A8 for ; Tue, 8 Sep 2020 21:18:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7B21D20768 for ; Tue, 8 Sep 2020 21:18:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=nbd.name header.i=@nbd.name header.b="ZKdwv5e0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729014AbgIHVSV (ORCPT ); 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Received: from p4ff13fcb.dip0.t-ipconnect.de ([79.241.63.203] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.89) (envelope-from ) id 1kFl03-0002Cx-W1 for linux-wireless@vger.kernel.org; Tue, 08 Sep 2020 23:18:00 +0200 From: Felix Fietkau To: linux-wireless@vger.kernel.org Subject: [PATCH 10/11] mt76: move txwi handling code to dma.c, since it is mmio specific Date: Tue, 8 Sep 2020 23:17:55 +0200 Message-Id: <20200908211756.15998-10-nbd@nbd.name> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200908211756.15998-1-nbd@nbd.name> References: <20200908211756.15998-1-nbd@nbd.name> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This way we can make some functions static Signed-off-by: Felix Fietkau --- drivers/net/wireless/mediatek/mt76/dma.c | 72 +++++++++++++++++++ drivers/net/wireless/mediatek/mt76/mac80211.c | 2 - drivers/net/wireless/mediatek/mt76/mt76.h | 2 - drivers/net/wireless/mediatek/mt76/tx.c | 69 ------------------ 4 files changed, 72 insertions(+), 73 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index 38cc40c99ba1..214fc95b8a33 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -7,6 +7,76 @@ #include "mt76.h" #include "dma.h" +static struct mt76_txwi_cache * +mt76_alloc_txwi(struct mt76_dev *dev) +{ + struct mt76_txwi_cache *t; + dma_addr_t addr; + u8 *txwi; + int size; + + size = L1_CACHE_ALIGN(dev->drv->txwi_size + sizeof(*t)); + txwi = devm_kzalloc(dev->dev, size, GFP_ATOMIC); + if (!txwi) + return NULL; + + addr = dma_map_single(dev->dev, txwi, dev->drv->txwi_size, + DMA_TO_DEVICE); + t = (struct mt76_txwi_cache *)(txwi + dev->drv->txwi_size); + t->dma_addr = addr; + + return t; +} + +static struct mt76_txwi_cache * +__mt76_get_txwi(struct mt76_dev *dev) +{ + struct mt76_txwi_cache *t = NULL; + + spin_lock(&dev->lock); + if (!list_empty(&dev->txwi_cache)) { + t = list_first_entry(&dev->txwi_cache, struct mt76_txwi_cache, + list); + list_del(&t->list); + } + spin_unlock(&dev->lock); + + return t; +} + +static struct mt76_txwi_cache * +mt76_get_txwi(struct mt76_dev *dev) +{ + struct mt76_txwi_cache *t = __mt76_get_txwi(dev); + + if (t) + return t; + + return mt76_alloc_txwi(dev); +} + +void +mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t) +{ + if (!t) + return; + + spin_lock(&dev->lock); + list_add(&t->list, &dev->txwi_cache); + spin_unlock(&dev->lock); +} +EXPORT_SYMBOL_GPL(mt76_put_txwi); + +static void +mt76_free_pending_txwi(struct mt76_dev *dev) +{ + struct mt76_txwi_cache *t; + + while ((t = __mt76_get_txwi(dev)) != NULL) + dma_unmap_single(dev->dev, t->dma_addr, dev->drv->txwi_size, + DMA_TO_DEVICE); +} + static int mt76_dma_alloc_queue(struct mt76_dev *dev, struct mt76_queue *q, int idx, int n_desc, int bufsize, @@ -598,5 +668,7 @@ void mt76_dma_cleanup(struct mt76_dev *dev) netif_napi_del(&dev->napi[i]); mt76_dma_rx_cleanup(dev, &dev->q_rx[i]); } + + mt76_free_pending_txwi(dev); } EXPORT_SYMBOL_GPL(mt76_dma_cleanup); diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index c5946ebadc8a..3a6d15b73c06 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -515,8 +515,6 @@ void mt76_free_device(struct mt76_dev *dev) destroy_workqueue(dev->wq); dev->wq = NULL; } - if (mt76_is_mmio(dev)) - mt76_tx_free(dev); ieee80211_free_hw(dev->hw); } EXPORT_SYMBOL_GPL(mt76_free_device); diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index 9dbb7dd65d23..9b191089defa 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -1005,8 +1005,6 @@ mt76_tx_status_get_hw(struct mt76_dev *dev, struct sk_buff *skb) return hw; } -void mt76_tx_free(struct mt76_dev *dev); -struct mt76_txwi_cache *mt76_get_txwi(struct mt76_dev *dev); void mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t); void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames, struct napi_struct *napi); diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c index 5914312d8944..007444385797 100644 --- a/drivers/net/wireless/mediatek/mt76/tx.c +++ b/drivers/net/wireless/mediatek/mt76/tx.c @@ -5,75 +5,6 @@ #include "mt76.h" -static struct mt76_txwi_cache * -mt76_alloc_txwi(struct mt76_dev *dev) -{ - struct mt76_txwi_cache *t; - dma_addr_t addr; - u8 *txwi; - int size; - - size = L1_CACHE_ALIGN(dev->drv->txwi_size + sizeof(*t)); - txwi = devm_kzalloc(dev->dev, size, GFP_ATOMIC); - if (!txwi) - return NULL; - - addr = dma_map_single(dev->dev, txwi, dev->drv->txwi_size, - DMA_TO_DEVICE); - t = (struct mt76_txwi_cache *)(txwi + dev->drv->txwi_size); - t->dma_addr = addr; - - return t; -} - -static struct mt76_txwi_cache * -__mt76_get_txwi(struct mt76_dev *dev) -{ - struct mt76_txwi_cache *t = NULL; - - spin_lock_bh(&dev->lock); - if (!list_empty(&dev->txwi_cache)) { - t = list_first_entry(&dev->txwi_cache, struct mt76_txwi_cache, - list); - list_del(&t->list); - } - spin_unlock_bh(&dev->lock); - - return t; -} - -struct mt76_txwi_cache * -mt76_get_txwi(struct mt76_dev *dev) -{ - struct mt76_txwi_cache *t = __mt76_get_txwi(dev); - - if (t) - return t; - - return mt76_alloc_txwi(dev); -} - -void -mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t) -{ - if (!t) - return; - - spin_lock_bh(&dev->lock); - list_add(&t->list, &dev->txwi_cache); - spin_unlock_bh(&dev->lock); -} -EXPORT_SYMBOL_GPL(mt76_put_txwi); - -void mt76_tx_free(struct mt76_dev *dev) -{ - struct mt76_txwi_cache *t; - - while ((t = __mt76_get_txwi(dev)) != NULL) - dma_unmap_single(dev->dev, t->dma_addr, dev->drv->txwi_size, - DMA_TO_DEVICE); -} - static int mt76_txq_get_qid(struct ieee80211_txq *txq) { -- 2.28.0