From patchwork Tue Jan 17 14:02:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 13104726 X-Patchwork-Delegate: nbd@nbd.name 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DEA5EC63797 for ; Tue, 17 Jan 2023 14:03:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230466AbjAQODN (ORCPT ); Tue, 17 Jan 2023 09:03:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58652 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230448AbjAQODK (ORCPT ); Tue, 17 Jan 2023 09:03:10 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4842338E87 for ; Tue, 17 Jan 2023 06:03:10 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id D912461462 for ; Tue, 17 Jan 2023 14:03:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EAD3AC433D2; Tue, 17 Jan 2023 14:03:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673964189; bh=0P6rK3Vzvxp2hpgnHM7yHTUWvNy5DAupIdqSG+eXd6w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sxJvhz0Et4/ZLAGMmwgk8oB2JZY1DfNrxg96p3rpr9UWj8JW3xDCXBvDZ31FhEPCd w/DyWleuMbnvmJlHE1x78BI5j4j+uiTqqfO/iIjKs9h3TtUfWY4U+HmPGk0M4I33YM dI9lfG06XsyXMz1LNBqCi2o93JnkCht6UaHUMJwRCFGkiquh9Qb5FaD3z5P5bIg2kV 5gfyRXX04cVw1zXLlg/tELnELyel4xM11iHjorblD4hNTG60e0Lswe3IeYF7hoBcGI VP3bOq+fuHVvLVgYCUvuDAUAevO8ywApJTIUQIh7FflynUcl729vFDWjrzm1jIV6Hk lf2mQY9tQARlQ== From: Lorenzo Bianconi To: nbd@nbd.name Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com, sujuan.chen@mediatek.com Subject: [PATCH v2 1/4] wifi: mt76: dma: add reset to mt76_dma_wed_setup signature Date: Tue, 17 Jan 2023 15:02:53 +0100 Message-Id: <0f78ea3a6d8e69c9529c4c67d49506fd139ed45f.1673963962.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Sujuan Chen Export mt76_dma_wed_setup routine. This is a preliminary patch to introduce proper wed reset support. Tested-by: Daniel Golle Co-developed-by: Lorenzo Bianconi Signed-off-by: Lorenzo Bianconi Signed-off-by: Sujuan Chen --- drivers/net/wireless/mediatek/mt76/dma.c | 16 ++++++++++------ drivers/net/wireless/mediatek/mt76/dma.h | 1 + 2 files changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index 33e47ea0368e..5629b949fac0 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -634,14 +634,17 @@ mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q, return frames; } -static int -mt76_dma_wed_setup(struct mt76_dev *dev, struct mt76_queue *q) +int mt76_dma_wed_setup(struct mt76_dev *dev, struct mt76_queue *q, bool reset) { #ifdef CONFIG_NET_MEDIATEK_SOC_WED struct mtk_wed_device *wed = &dev->mmio.wed; int ret, type, ring; - u8 flags = q->flags; + u8 flags; + + if (!q || !q->ndesc) + return -EINVAL; + flags = q->flags; if (!mtk_wed_device_active(wed)) q->flags &= ~MT_QFLAG_WED; @@ -653,7 +656,7 @@ mt76_dma_wed_setup(struct mt76_dev *dev, struct mt76_queue *q) switch (type) { case MT76_WED_Q_TX: - ret = mtk_wed_device_tx_ring_setup(wed, ring, q->regs, false); + ret = mtk_wed_device_tx_ring_setup(wed, ring, q->regs, reset); if (!ret) q->wed_regs = wed->tx_ring[ring].reg_base; break; @@ -669,7 +672,7 @@ mt76_dma_wed_setup(struct mt76_dev *dev, struct mt76_queue *q) q->wed_regs = wed->txfree_ring.reg_base; break; case MT76_WED_Q_RX: - ret = mtk_wed_device_rx_ring_setup(wed, ring, q->regs, false); + ret = mtk_wed_device_rx_ring_setup(wed, ring, q->regs, reset); if (!ret) q->wed_regs = wed->rx_ring[ring].reg_base; break; @@ -682,6 +685,7 @@ mt76_dma_wed_setup(struct mt76_dev *dev, struct mt76_queue *q) return 0; #endif } +EXPORT_SYMBOL_GPL(mt76_dma_wed_setup); static int mt76_dma_alloc_queue(struct mt76_dev *dev, struct mt76_queue *q, @@ -712,7 +716,7 @@ mt76_dma_alloc_queue(struct mt76_dev *dev, struct mt76_queue *q, if (ret) return ret; - ret = mt76_dma_wed_setup(dev, q); + ret = mt76_dma_wed_setup(dev, q, false); if (ret) return ret; diff --git a/drivers/net/wireless/mediatek/mt76/dma.h b/drivers/net/wireless/mediatek/mt76/dma.h index 53c6ce2528b2..4b9bc7f462b8 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.h +++ b/drivers/net/wireless/mediatek/mt76/dma.h @@ -56,5 +56,6 @@ enum mt76_mcu_evt_type { int mt76_dma_rx_poll(struct napi_struct *napi, int budget); void mt76_dma_attach(struct mt76_dev *dev); void mt76_dma_cleanup(struct mt76_dev *dev); +int mt76_dma_wed_setup(struct mt76_dev *dev, struct mt76_queue *q, bool reset); #endif