linux-kernel - RE: [PATCH 3/7] net: stmmac: dma channel control register need to be init first

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Message-ID: <78EB27739596EE489E55E81C33FEC33A0B46E022@DE02WEMBXB.internal.synopsys.com>
Date:   Mon, 29 Apr 2019 10:25:52 +0000
From:   Jose Abreu <Jose.Abreu@...opsys.com>
To:     "Voon, Weifeng" <weifeng.voon@...el.com>,
        "David S. Miller" <davem@...emloft.net>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Ong, Boon Leong" <boon.leong.ong@...el.com>,
        "Kweh, Hock Leong" <hock.leong.kweh@...el.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>
Subject: RE: [PATCH 3/7] net: stmmac: dma channel control register need to
 be init first

From: Voon, Weifeng <weifeng.voon@...el.com>
Date: Thu, Apr 25, 2019 at 08:06:08

> > stmmac_init_chan() needs to be called before stmmac_init_rx_chan() and
> > stmmac_init_tx_chan(). This is because if PBLx8 is to be used,
> > "DMA_CH(#i)_Control.PBLx8" needs to be set before programming
> > "DMA_CH(#i)_TX_Control.TxPBL" and "DMA_CH(#i)_RX_Control.RxPBL".
> > 
> > Reviewed-by: Zhang, Baoli <baoli.zhang@...el.com>
> > Signed-off-by: Weifeng Voon <weifeng.voon@...el.com>
> > Signed-off-by: Ong Boon Leong <boon.leong.ong@...el.com>

This is a fix so it should belong to -net tree and it should have the 
"Fixes: " tag.

Thanks,
Jose Miguel Abreu