linux-kernel - Re: [PATCH v5 17/17] serial: 8250: Add 8250

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Message-ID: <ZjOy2G0qN5G076i0@smile.fi.intel.com>
Date: Thu, 2 May 2024 18:35:52 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Sunil V L <sunilvl@...tanamicro.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org, linux-acpi@...r.kernel.org,
	linux-pci@...r.kernel.org, linux-serial@...r.kernel.org,
	acpica-devel@...ts.linux.dev,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	"Rafael J . Wysocki" <rafael@...nel.org>,
	Len Brown <lenb@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
	Anup Patel <anup@...infault.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Samuel Holland <samuel.holland@...ive.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Robert Moore <robert.moore@...el.com>,
	Conor Dooley <conor.dooley@...rochip.com>,
	Andrew Jones <ajones@...tanamicro.com>,
	Marc Zyngier <maz@...nel.org>,
	Atish Kumar Patra <atishp@...osinc.com>,
	Andrei Warkentin <andrei.warkentin@...el.com>,
	Haibo1 Xu <haibo1.xu@...el.com>,
	Björn Töpel <bjorn@...nel.org>
Subject: Re: [PATCH v5 17/17] serial: 8250: Add 8250_acpi driver

On Thu, May 02, 2024 at 04:50:57PM +0530, Sunil V L wrote:
> On Thu, May 02, 2024 at 01:09:57PM +0300, Andy Shevchenko wrote:
> > On Thu, May 02, 2024 at 03:20:08PM +0530, Sunil V L wrote:
> > > On Thu, May 02, 2024 at 12:17:59PM +0300, Andy Shevchenko wrote:

..

> > > This driver is not a duplicate of 8250_pnp. It just relies on UART
> > > enumerated as platform device instead of using PNP interfaces.
> > > Isn't it better and simple to have an option to enumerate as platform
> > > device instead of PNP? 
> > 
> > Ah, then extract platform driver first from 8250_core.c.
> > 
> Let me know if I understand your suggestion correctly. Do you mean call
> something like serial8250_acpi_init() from serial8250_init() and
> register the driver directly in serial8250_acpi_init()?

Extract the code to be 8250_platform.c and update that file.
I have locally the extraction of RSA code, I will see if I can help you
with the rest.

-- 
With Best Regards,
Andy Shevchenko