netdev - Re: [RESEND,PATCH] net: stmmac: dwmac-mediatek: fix wrong delay value issue when resume back

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Date:   Wed, 9 Oct 2019 19:43:11 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Biao Huang <biao.huang@...iatek.com>
Cc:     <davem@...emloft.net>, Jose Abreu <joabreu@...opsys.com>,
        <andrew@...n.ch>, Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        <netdev@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>, <yt.shen@...iatek.com>,
        <jianguo.zhang@...iatek.com>, <boon.leong.ong@...el.com>
Subject: Re: [RESEND,PATCH] net: stmmac: dwmac-mediatek: fix wrong delay
 value issue when resume back

On Wed, 9 Oct 2019 15:33:48 +0800, Biao Huang wrote:
> mac_delay value will be divided by 550/170 in mt2712_delay_ps2stage(),
> which is invoked at the beginning of mt2712_set_delay(), and the value
> should be restored at the end of mt2712_set_delay().
> Or, mac_delay will be divided again when invoking mt2712_set_delay()
> when resume back.
> So, add mt2712_delay_stage2ps() to mt2712_set_delay() to recovery the
> original mac_delay value.
> 
> Signed-off-by: Biao Huang <biao.huang@...iatek.com>

Applied, thanks.