From: Alan Cox <alan@linux.intel.com>
To: Lv Zheng <lv.zheng@intel.com>
Cc: Len Brown <len.brown@intel.com>,
Rafael J Wysocki <rafael.j.wysocki@intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-acpi@vger.kernel.org, linux-serial@vger.kernel.org
Subject: Re: [RFC PATCH 1/3] UART: Add UART subsystem as a bus.
Date: Mon, 3 Dec 2012 11:46:04 +0000 [thread overview]
Message-ID: <20121203114604.079a2721@bob.linux.org.uk> (raw)
In-Reply-To: <6d5fc2e0799c12554aa8acdb2d7782ba8643902b.1354505472.git.lv.zheng@intel.com>
> + * uart_tty_find - find the associated TTY device for the UART target
> + * device
> + * @drv: the low level UART driver
> + * @dev: the parent physical device for the TTY devices
> + * @line: the line number of the UART target device
> + *
Our top level abstraction is struct tty and struct tty_port. There is
nothing requiring a serial tty is using the uart helper layer, nor
should there be, so your code needs to support devices not using the
uart layer. Otherwise it looks quite reasonable.
our 3.7 tty layer has sysfs nodes on the tty which may also help
Alan
next prev parent reply other threads:[~2012-12-03 11:46 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-03 3:39 [RFC PATCH 0/3] ACPI/UART: Add ACPI 5.0 enueration support for UART Lv Zheng
2012-12-03 3:39 ` [RFC PATCH 1/3] UART: Add UART subsystem as a bus Lv Zheng
2012-12-03 11:46 ` Alan Cox [this message]
2012-12-05 3:37 ` Zheng, Lv
2012-12-04 18:54 ` Mika Westerberg
2012-12-04 19:50 ` Alan Cox
2012-12-05 6:20 ` Mika Westerberg
2012-12-05 7:07 ` Zheng, Lv
2012-12-05 7:42 ` Mika Westerberg
2012-12-05 9:43 ` Alan Cox
2012-12-06 1:26 ` Zheng, Lv
2012-12-06 1:55 ` Zheng, Lv
2012-12-06 13:53 ` Alan Cox
2012-12-07 4:54 ` Zheng, Lv
2012-12-07 5:41 ` Zheng, Lv
2012-12-07 7:24 ` Huang Ying
2012-12-07 10:27 ` Alan Cox
2012-12-07 10:25 ` Alan Cox
2012-12-06 7:36 ` Zheng, Lv
2012-12-06 7:52 ` Mika Westerberg
2012-12-05 3:49 ` Zheng, Lv
2012-12-03 3:40 ` [RFC PATCH 2/3] ACPI / UART: Add ACPI enumeration support for UART bus Lv Zheng
2012-12-03 3:40 ` [RFC PATCH 3/3] UART: Add dummy devices to test the enumeration Lv Zheng
2012-12-05 3:51 ` [PATCH v2 0/4] ACPI/UART: Add ACPI 5.0 enueration support for UART Lv Zheng
2012-12-05 3:51 ` [PATCH v2 1/4] UART: Add UART subsystem as a bus Lv Zheng
2012-12-05 3:51 ` [PATCH v2 2/4] ACPI / UART: Add ACPI enumeration support for UART bus Lv Zheng
2012-12-05 3:51 ` [PATCH v2 3/4] UART / 8250: Add declearation of serial8250 driver Lv Zheng
2012-12-05 3:52 ` [PATCH v2 4/4] UART: Add dummy devices to test the enumeration Lv Zheng
2012-12-06 9:21 ` [RFC PATCH v3 0/4] ACPI/UART: Add ACPI 5.0 enueration support for UART Lv Zheng
2012-12-06 9:21 ` [RFC PATCH v3 1/4] UART: Add UART subsystem as a bus Lv Zheng
2012-12-06 13:40 ` Alan Cox
2012-12-07 3:52 ` Zheng, Lv
2012-12-07 10:22 ` Alan Cox
2012-12-06 9:22 ` [RFC PATCH v3 2/4] ACPI / UART: Add ACPI enumeration support for UART bus Lv Zheng
2012-12-06 9:22 ` [RFC PATCH v3 3/4] UART / 8250: Add declearation of serial8250 driver Lv Zheng
2012-12-06 9:22 ` [RFC PATCH v3 4/4] UART: Add dummy devices to test the enumeration Lv Zheng
2013-01-09 9:17 ` [RFC PATCH v4 0/3] ACPI/UART: Add ACPI 5.0 enueration support for UART Lv Zheng
2013-01-09 9:17 ` [RFC PATCH v4 1/3] TTY: Add TTY slave enumeration support Lv Zheng
2013-01-09 9:17 ` Lv Zheng
2013-01-09 9:18 ` [RFC PATCH v4 2/3] ACPI / UART: Add ACPI enumeration support for UART Lv Zheng
2013-01-09 9:18 ` Lv Zheng
2013-01-09 9:18 ` [RFC PATCH v4 3/3] UART: Add dummy devices to test the enumeration Lv Zheng
2013-01-09 9:18 ` Lv Zheng
2013-01-09 9:17 ` [RFC PATCH v4 0/3] ACPI/UART: Add ACPI 5.0 enueration support for UART Lv Zheng
2013-01-24 10:30 ` [PATCH v5 0/2] ACPI/UART: Add ACPI 5.0 enumeration " Lv Zheng
2013-01-24 10:30 ` [PATCH v5 1/2] TTY: Add TTY slave enumeration support Lv Zheng
2013-01-25 21:41 ` Greg Kroah-Hartman
2013-01-26 0:32 ` Alan Cox
2013-01-26 0:21 ` Greg Kroah-Hartman
2013-01-26 3:04 ` Zheng, Lv
2013-01-26 3:42 ` Greg Kroah-Hartman
2013-01-28 2:58 ` Zheng, Lv
2013-01-30 4:46 ` Greg Kroah-Hartman
2013-01-25 21:45 ` Greg Kroah-Hartman
2013-01-26 3:12 ` Zheng, Lv
2013-01-26 3:44 ` Greg Kroah-Hartman
2013-01-28 3:02 ` Zheng, Lv
2013-01-24 10:30 ` [PATCH v5 2/2] ACPI / UART: Add ACPI enumeration support for UART Lv Zheng
2013-01-24 10:30 ` [RFC PATCH v5] HACK: UART: Add dummy devices to test the enumeration Lv Zheng
2013-02-06 6:26 ` [RFC PATCH] ACPI / serial: Add UART change_pm support with ACPI power domain Lv Zheng
2013-02-06 19:07 ` Greg Kroah-Hartman
2013-02-06 21:39 ` Rafael J. Wysocki
2013-02-06 21:38 ` Greg Kroah-Hartman
2013-02-07 0:38 ` Zheng, Lv
2013-04-03 2:05 ` [PATCH v6] ACPI / serial: Add peripheral PnP IDs enumeration support Lv Zheng
2013-04-03 16:14 ` Greg Kroah-Hartman
2013-04-04 10:12 ` Zheng, Lv
2013-04-07 3:05 ` Zheng, Lv
2013-04-04 15:43 ` Zheng, Lv
2013-04-04 18:23 ` Greg Kroah-Hartman
2013-04-07 3:11 ` Zheng, Lv
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