From patchwork Thu Sep 21 10:43:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 13393834 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3BCFDE7070E for ; Thu, 21 Sep 2023 10:44:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+HWhEI5bF5adz3evOG1ILv8baFb++nH/qKoP2lrOoMg=; b=mcrqpUlztpqeKImL31G4zw88V9 +bx4bBHzW96yYa7UFttjlije81B3NhU/j92vaF7ZEtUTFOXpuuFkHULrPrLlZvBJ/B3ysZidqVz8C wtUH1/0RCyhvxXOZshNyajChgkYt2VAIMtKMXNCY+aQ1SwDdE6jjwuebPxWZ7CW/A5GeWqoKpFcXE eVlc7NIxf0bQTuaKBCuj/ln+tC/K4RQPA/UlO45cRezUpu5t4wzmvMeG3lupY8NLBAGctzfo85t/s 8PwYstk3D8OudM4jcNha51tdua4PLs3O3YUJIjFBTFNP6gMRLQ5pYqVHr1xr1UZ22PHqMkh5QRsO9 +Nsnb3Gg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qjHAU-005qmz-3D; Thu, 21 Sep 2023 10:44:23 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qjHAO-005qkc-0S for linux-mediatek@lists.infradead.org; Thu, 21 Sep 2023 10:44:19 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id A0EDB61EBD; Thu, 21 Sep 2023 10:44:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AC16FC36AF0; Thu, 21 Sep 2023 10:44:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1695293055; bh=G3gltqhihnma9XLcjHfxtduXPoh5CUvLQuM3489vSHw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MQ2ycQaFtgGAdDrF20v1nzk8A59rgJ0XnVBuFF/1pBzAxwG0HJp9w81t1l5DjwcC0 kzFKWVi7/H7nQEjC4WaC+SH7OgwoD1VuecAy6vDZ3GFSAehhDiG1Pt1Y3dDVRh7bOb sriX1oZezAz+wp8E66hwAvc+H0bFFcOQUoOeqN9vE/iP8uMx3fhgztQGt20tUtws4/ hNGKae0eDy0uDQ4hyfGQhL44VBJAZqDKVbnrboHncV7pSFpsjbajtimUgFmJd2fwCV XvfYB770y5h/FLRk04dAZSfyXrl5b/cFnZVW3zqiLsZGfU+IkL/e7nxboNUU0PvDkY rRIgIO73N7cTQ== From: Lorenzo Bianconi To: nbd@nbd.name Cc: lorenzo.bianconi@redhat.com, linux-wireless@vger.kernel.org, ryder.lee@mediatek.com, evelyn.tsai@mediatek.com, shayne.chen@mediatek.com, Bo.Jiao@mediatek.com, sujuan.chen@mediatek.com, linux-mediatek@lists.infradead.org Subject: [PATCH 8/9] wifi: mt76: dma: introduce __mt76_dma_queue_reset utility routine Date: Thu, 21 Sep 2023 12:43:37 +0200 Message-ID: X-Mailer: git-send-email 2.41.0 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230921_034416_220161_18B7C5A5 X-CRM114-Status: GOOD ( 10.30 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org This is a preliminary patch to introduce WED support for mt7996 Signed-off-by: Lorenzo Bianconi --- drivers/net/wireless/mediatek/mt76/dma.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index d615d5b1ad42..15923e1540d4 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -195,7 +195,8 @@ mt76_dma_sync_idx(struct mt76_dev *dev, struct mt76_queue *q) } static void -mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q) +__mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q, + bool reset_idx) { int i; @@ -206,11 +207,19 @@ mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q) for (i = 0; i < q->ndesc; i++) q->desc[i].ctrl = cpu_to_le32(MT_DMA_CTL_DMA_DONE); - Q_WRITE(q, cpu_idx, 0); - Q_WRITE(q, dma_idx, 0); + if (reset_idx) { + Q_WRITE(q, cpu_idx, 0); + Q_WRITE(q, dma_idx, 0); + } mt76_dma_sync_idx(dev, q); } +static void +mt76_dma_queue_reset(struct mt76_dev *dev, struct mt76_queue *q) +{ + __mt76_dma_queue_reset(dev, q, true); +} + static int mt76_dma_add_rx_buf(struct mt76_dev *dev, struct mt76_queue *q, struct mt76_queue_buf *buf, void *data)