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>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
linux-acpi@vger.kernel.org, linux-serial@vger.kernel.org
Subject: Re: [RFC PATCH v3 1/4] UART: Add UART subsystem as a bus.
Date: Thu, 6 Dec 2012 13:40:20 +0000 [thread overview]
Message-ID: <20121206134020.0747af0f@bob.linux.org.uk> (raw)
In-Reply-To: <c561ccd12ef845a7f30f26dfb706bb569e7244a7.1354785372.git.lv.zheng@intel.com>
> enumerated and userspace can obtain the hotplug event of the UART
> target devices. Linux kernel is lack of an overall enumeration
> mechanism for UART target devices.
ls /sys/class/tty/
> In order to send uevent, a device need to be a class device or a bus
> device. This patch introduces a bus_type subsystem to manage the new
I still don't see why the existing tty class interfaces cannot be used,
the hints from ACPI (or anywhere else) cannot be attached as properties
to the tty driver and device sysfs
Alan
next prev parent reply other threads:[~2012-12-06 13:37 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
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 [this message]
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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