netdev - Re: [PATCH] net: ethernet: ti: cpsw: fix cpts irq after suspend

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Message-ID: <20201113081556.GW26857@atomide.com>
Date:   Fri, 13 Nov 2020 10:15:56 +0200
From:   Tony Lindgren <tony@...mide.com>
To:     Grygorii Strashko <grygorii.strashko@...com>
Cc:     "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Jakub Kicinski <kuba@...nel.org>, Sekhar Nori <nsekhar@...com>,
        linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
        Vignesh Raghavendra <vigneshr@...com>
Subject: Re: [PATCH] net: ethernet: ti: cpsw: fix cpts irq after suspend

* Grygorii Strashko <grygorii.strashko@...com> [201112 11:15]:
> Depending on the SoC/platform the CPSW can completely lose context after a
> suspend/resume cycle, including CPSW wrapper (WR) which will cause reset of
> WR_C0_MISC_EN register, so CPTS IRQ will became disabled.
> 
> Fix it by moving CPTS IRQ enabling in cpsw_ndo_open() where CPTS is
> actually started.
> 
> Fixes: 84ea9c0a95d7 ("net: ethernet: ti: cpsw: enable cpts irq")
> Reported-by: Tony Lindgren <tony@...mide.com>
> Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>

Thanks this works for me:

Tested-by: Tony Lindgren <tony@...mide.com>