From: Tomas Hlavacek <tmshlvck@gmail.com>
Date: Thu, 6 Sep 2012 01:17:18 +0000 (+0200)
Subject: tty: uartclk value from serial_core exposed to sysfs
X-Git-Tag: omap-cleanup-sparseirq-for-v3.7~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6915c0e487c822e2436683e14302c0b8a6155cc7;p=pandora-kernel.git

tty: uartclk value from serial_core exposed to sysfs

Added file /sys/devices/.../tty/ttySX/uartclk to allow reading
uartclk value in struct uart_port in serial_core via sysfs.

tty_register_device() has been generalized and refactored in order
to add support for setting drvdata and attribute_group to the device.

Signed-off-by: Tomas Hlavacek <tmshlvck@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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