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2016-09-27Documentation: dt: serial: Add TX FIFO threshold parameterThor Thayer1-0/+2
Add the device tree binding needed to support the TX FIFO threshold parameter. Signed-off-by: Thor Thayer <tthayer@opensource.altera.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-08-31Revert "tty/serial/8250: use mctrl_gpio helpers"Andy Shevchenko1-19/+0
Serial console is broken in v4.8-rcX. Mika and I independently bisected down to commit 4ef03d328769 ("tty/serial/8250: use mctrl_gpio helpers"). Since neither author nor anyone else didn't propose a solution we better revert it for now. This reverts commit 4ef03d328769eddbfeca1f1c958fdb181a69c341. Link: https://lkml.kernel.org/r/20160809130229.GN1729@lahna.fi.intel.com Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-06-25tty/serial/8250: use mctrl_gpio helpersYegor Yefremov1-0/+19
This patch permits the usage for GPIOs to control the CTS/RTS/DTR/DSR/DCD/RI signals. Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-14powerpc/cell: Remove the Cell QPACE codeRashmica Gupta1-1/+0
All users of QPACE have upgraded to QPACE2 so remove the Cell QPACE code. Signed-off-by: Rashmica Gupta <rashmicy@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2015-03-10Documentation: DT: Renamed of-serial.txt to 8250.txtChunyan Zhang1-0/+66
The file of-serial.txt was only for 8250 compatible UART implementations, so renamed it to 8250.txt to avoid confusing other persons. This is suggested by Arnd, see: http://lists.infradead.org/pipermail/linux-arm-kernel/2014-September/291455.html Signed-off-by: Chunyan Zhang <chunyan.zhang@spreadtrum.com> Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Rob Herring <robh@kernel.org>