linux-kernel - RE: [PATCH v2 tty-next 3/3] 8250: microchip: pci1xxxx: Add power management functions to quad-uart driver.

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Message-ID: <PH0PR11MB50964BC2301907D51B3DCF119B3B9@PH0PR11MB5096.namprd11.prod.outlook.com>
Date:   Fri, 4 Nov 2022 10:23:30 +0000
From:   <Tharunkumar.Pasumarthi@...rochip.com>
To:     <andy.shevchenko@...il.com>, <Kumaravel.Thiagarajan@...rochip.com>
CC:     <gregkh@...uxfoundation.org>, <jirislaby@...nel.org>,
        <ilpo.jarvinen@...ux.intel.com>, <u.kleine-koenig@...gutronix.de>,
        <johan@...nel.org>, <wander@...hat.com>,
        <etremblay@...tech-controls.com>, <macro@...am.me.uk>,
        <geert+renesas@...der.be>, <jk@...abs.org>,
        <phil.edworthy@...esas.com>, <lukas@...ner.de>,
        <linux-kernel@...r.kernel.org>, <linux-serial@...r.kernel.org>,
        <UNGLinuxDriver@...rochip.com>
Subject: RE: [PATCH v2 tty-next 3/3] 8250: microchip: pci1xxxx: Add power
 management functions to quad-uart driver.

> From: Andy Shevchenko <andy.shevchenko@...il.com>
> Sent: Monday, October 3, 2022 2:57 PM
> To: Kumaravel Thiagarajan - I21417
> <Kumaravel.Thiagarajan@...rochip.com>
> Subject: Re: [PATCH v2 tty-next 3/3] 8250: microchip: pci1xxxx: Add power
> management functions to quad-uart driver.
> 
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the
> content is safe
>  
> If you have similarities with 8250_pci, probably you need to split it to
> 8250_pcilib.c and share. (See how 8250_dw /8250_lpss are done in that
> sense.)

Hi Andy,
All the functions used in 8250_pci1xxxx.c  that have similarity with 8250_pci use registers
that are specific to our IP.  The only function that can be moved to common library is the 
setup_port. But, for that the first argument of setup_port must be changed to 
'struct pci_dev *dev' (priv->dev).  Do you suggest doing this?

Thanks,
Tharun Kumar P