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X-IronPort-AV: E=McAfee;i="6500,9779,10538"; a="311235582" X-IronPort-AV: E=Sophos;i="5.96,182,1665471600"; d="scan'208";a="311235582" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Nov 2022 08:55:50 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10538"; a="970138771" X-IronPort-AV: E=Sophos;i="5.96,182,1665471600"; d="scan'208";a="970138771" Received: from irvmail001.ir.intel.com ([10.43.11.63]) by fmsmga005.fm.intel.com with ESMTP; 21 Nov 2022 08:55:47 -0800 Received: from newjersey.igk.intel.com (newjersey.igk.intel.com [10.102.20.203]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id 2ALGtjnc025169; Mon, 21 Nov 2022 16:55:45 GMT From: Alexander Lobakin To: Lorenzo Bianconi Cc: Alexander Lobakin , netdev@vger.kernel.org, nbd@nbd.name, john@phrozen.org, sean.wang@mediatek.com, Mark-MC.Lee@mediatek.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, lorenzo.bianconi@redhat.com, sujuan.chen@mediatek.com, linux-mediatek@lists.infradead.org Subject: Re: [PATCH net-next 1/5] net: ethernet: mtk_wed: return status value in mtk_wdma_rx_reset Date: Mon, 21 Nov 2022 17:55:21 +0100 Message-Id: <20221121165521.396686-1-alexandr.lobakin@intel.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <8917d87eded7142a3a792c3ba64434a983278247.1669020847.git.lorenzo@kernel.org> References: <8917d87eded7142a3a792c3ba64434a983278247.1669020847.git.lorenzo@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221121_085552_831665_E4643996 X-CRM114-Status: GOOD ( 17.33 ) 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 From: Lorenzo Bianconi Date: Mon, 21 Nov 2022 09:59:21 +0100 > Move MTK_WDMA_RESET_IDX configuration in mtk_wdma_rx_reset routine. > This is a preliminary patch to add Wireless Ethernet Dispatcher reset > support. > > Co-developed-by: Sujuan Chen > Signed-off-by: Sujuan Chen > Signed-off-by: Lorenzo Bianconi > --- > drivers/net/ethernet/mediatek/mtk_wed.c | 25 ++++++++++++------------- > 1 file changed, 12 insertions(+), 13 deletions(-) > > diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c > index 7d8842378c2b..dc898ded2f05 100644 > --- a/drivers/net/ethernet/mediatek/mtk_wed.c > +++ b/drivers/net/ethernet/mediatek/mtk_wed.c > @@ -101,17 +101,21 @@ mtk_wdma_read_reset(struct mtk_wed_device *dev) > return wdma_r32(dev, MTK_WDMA_GLO_CFG); > } > > -static void > +static int > mtk_wdma_rx_reset(struct mtk_wed_device *dev) > { > u32 status, mask = MTK_WDMA_GLO_CFG_RX_DMA_BUSY; > - int i; > + int i, ret; > > wdma_clr(dev, MTK_WDMA_GLO_CFG, MTK_WDMA_GLO_CFG_RX_DMA_EN); > - if (readx_poll_timeout(mtk_wdma_read_reset, dev, status, > - !(status & mask), 0, 1000)) > + ret = readx_poll_timeout(mtk_wdma_read_reset, dev, status, > + !(status & mask), 0, 10000); You didn't mention anywhere this change of the timeout from 1000 to 10000, and for example for me it's not clear from the code why you did this. Maybe leave a comment in the commitmsg? Same in 2/5 for Tx, also 1000 -> 10000. > + if (ret) > dev_err(dev->hw->dev, "rx reset failed\n"); > > + wdma_w32(dev, MTK_WDMA_RESET_IDX, MTK_WDMA_RESET_IDX_RX); > + wdma_w32(dev, MTK_WDMA_RESET_IDX, 0); > + > for (i = 0; i < ARRAY_SIZE(dev->rx_wdma); i++) { > if (dev->rx_wdma[i].desc) > continue; [...] > -- > 2.38.1 Thanks, Olek