From mboxrd@z Thu Jan  1 00:00:00 1970
From: Anatolij Gustschin <agust@denx.de>
Date: Wed, 31 Jul 2019 15:11:47 +0200
Subject: [U-Boot] [PATCH v2 2/2] serial: lpuart: request dm device
 removal when booting OS
In-Reply-To: <AM0PR04MB4481E46D2493AE61DC31E14E88CF0@AM0PR04MB4481.eurprd04.prod.outlook.com>
References: <20190714195732.31232-1-agust@denx.de>
 <20190714195732.31232-2-agust@denx.de>
 <AM0PR04MB4481E46D2493AE61DC31E14E88CF0@AM0PR04MB4481.eurprd04.prod.outlook.com>
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To: u-boot@lists.denx.de

Hi Peng,

On Mon, 15 Jul 2019 03:02:46 +0000
Peng Fan peng.fan at nxp.com wrote:
... 
> > +static int lpuart_serial_remove(struct udevice *dev) {
> > +	if (dev == gd->cur_serial_dev)
> > +		dev->flags |= DM_FLAG_REMOVE_WITH_PD_ON;  
> 
> How about introduce a device tree property for DM? Then
> Set the flags in common code, not in specific driver.

we should not add more DT properties which are not describing the
hardware, I think. Current plan is to drop this patch and do additional
check dev != gd->cur_serial_dev in device_remove(), as Lokesh suggested.

--
Anatolij