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From: Timur Tabi <timur@codeaurora.org>
To: G Gregory <graeme.gregory@linaro.org>
Cc: Aleksey Makarov <aleksey.makarov@linaro.org>,
	"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
	Russell King <linux@arm.linux.org.uk>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Andy Shevchenko <andy.shevchenko@gmail.com>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	lkml <linux-kernel@vger.kernel.org>,
	Vladimir Zapolskiy <vz@mleia.com>,
	Shannon Zhao <shannon.zhao@linaro.org>,
	linux-serial@vger.kernel.org, Jiri Slaby <jslaby@suse.com>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v4 3/3] serial: amba-pl011: add ACPI support to AMBA probe
Date: Tue, 5 Jan 2016 10:23:08 -0600	[thread overview]
Message-ID: <568BEDEC.5010101@codeaurora.org> (raw)
In-Reply-To: <CAGCh1+ksWFLkE8Y_a5SW98tpgGBWdVH5TYJAoS17EExuPd65oQ@mail.gmail.com>

G Gregory wrote:
>> >I'm confused by this patch.  We already have code like this in
>> >tty-next, in the form of sbsa_uart_probe():
>> >
>> >https://kernel.googlesource.com/pub/scm/linux/kernel/git/gregkh/tty/+/tty-next/drivers/tty/serial/amba-pl011.c#2553
>> >
> Because Russell expressed unhappiness at that code existing. So this
> is an alternative method to do same thing with ACPI.

FYI, this patch doesn't apply on tty-next as-is, so it would need to be 
updated anyway.  Then again, considering the latest drama with that 
driver, who knows what it will look like?

> If the "arm,sbsa-uart" id was added to drivers/of/platform.c as an
> AMBA id then the same could be done for DT as well.
>
> Ultimately this patch is optional depending on maintainers opinion!

So with this patch, what is the difference between sbsa_uart_probe and 
pl011_probe?  Shouldn't the patch also remove sbsa_uart_probe?

  reply	other threads:[~2016-01-05 16:23 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-23 14:19 [PATCH v4 0/3] Add AMBA bus probing support to ACPI Aleksey Makarov
2015-12-23 14:19 ` [PATCH v4 1/3] ACPI: amba bus probing support Aleksey Makarov
2015-12-23 18:49   ` Andy Shevchenko
2016-01-03 13:36   ` Russell King - ARM Linux
2015-12-23 14:19 ` [PATCH v4 2/3] ACPI: scan add in amba probing Aleksey Makarov
2015-12-23 14:19 ` [PATCH v4 3/3] serial: amba-pl011: add ACPI support to AMBA probe Aleksey Makarov
2016-01-04 23:13   ` Timur Tabi
2016-01-05  8:55     ` G Gregory
2016-01-05 16:23       ` Timur Tabi [this message]
2016-01-06 11:03         ` Graeme Gregory
2016-01-11 21:38           ` Timur Tabi
2016-01-03  0:39 ` [PATCH v4 0/3] Add AMBA bus probing support to ACPI Rafael J. Wysocki

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