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From: Paolo Abeni <pabeni@redhat.com>
To: Roger Quadros <rogerq@kernel.org>,
	davem@davemloft.net, maciej.fijalkowski@intel.com,
	kuba@kernel.org
Cc: andrew@lunn.ch, edumazet@google.com, vigneshr@ti.com,
	linux-omap@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 net-next 4/6] net: ethernet: ti: am65-cpsw: Add suspend/resume support
Date: Thu, 01 Dec 2022 12:40:51 +0100	[thread overview]
Message-ID: <9fdc4e0eee7ead18c119b6bc3e93f7f73d2980cd.camel@redhat.com> (raw)
In-Reply-To: <20221129133501.30659-5-rogerq@kernel.org>

On Tue, 2022-11-29 at 15:34 +0200, Roger Quadros wrote:
> @@ -555,11 +556,26 @@ static int am65_cpsw_nuss_ndo_slave_open(struct net_device *ndev)
>  	struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
>  	struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
>  	int ret, i;
> +	u32 reg;
>  
>  	ret = pm_runtime_resume_and_get(common->dev);
>  	if (ret < 0)
>  		return ret;
>  
> +	/* Idle MAC port */
> +	cpsw_sl_ctl_set(port->slave.mac_sl, CPSW_SL_CTL_CMD_IDLE);
> +	cpsw_sl_wait_for_idle(port->slave.mac_sl, 100);
> +	cpsw_sl_ctl_reset(port->slave.mac_sl);
> +
> +	/* soft reset MAC */
> +	cpsw_sl_reg_write(port->slave.mac_sl, CPSW_SL_SOFT_RESET, 1);
> +	mdelay(1);
> +	reg = cpsw_sl_reg_read(port->slave.mac_sl, CPSW_SL_SOFT_RESET);
> +	if (reg) {
> +		dev_err(common->dev, "soft RESET didn't complete\n");

I *think* Andrew was asking for dev_dbg() here, but let's see what he
has to say :)

Cheers,

Paolo


  reply	other threads:[~2022-12-01 11:42 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-29 13:34 [PATCH v4 net-next 0/6] net: ethernet: ti: am65-cpsw: Fix set channel operation Roger Quadros
2022-11-29 13:34 ` [PATCH v4 net-next 1/6] Revert "net: ethernet: ti: am65-cpsw: Fix hardware switch mode on suspend/resume" Roger Quadros
2022-11-29 13:34 ` [PATCH v4 net-next 2/6] Revert "net: ethernet: ti: am65-cpsw: retain PORT_VLAN_REG after suspend/resume" Roger Quadros
2022-11-29 13:34 ` [PATCH v4 net-next 3/6] Revert "net: ethernet: ti: am65-cpsw: Add suspend/resume support" Roger Quadros
2022-11-29 13:34 ` [PATCH v4 net-next 4/6] net: ethernet: ti: am65-cpsw: Add suspend/resume support Roger Quadros
2022-12-01 11:40   ` Paolo Abeni [this message]
2022-12-01 11:44     ` Roger Quadros
2022-12-01 15:19       ` Andrew Lunn
2022-12-02 13:41         ` Roger Quadros
2022-11-29 13:35 ` [PATCH v4 net-next 5/6] net: ethernet: ti: am65-cpsw: retain PORT_VLAN_REG after suspend/resume Roger Quadros
2022-11-29 13:35 ` [PATCH v4 net-next 6/6] net: ethernet: ti: am65-cpsw: Fix hardware switch mode on suspend/resume Roger Quadros

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