linux-kernel - [PATCH 0/5] tty/serial: at91: fix atmel_serial_probe(), dma_sync

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Date:	Tue, 9 Dec 2014 14:31:31 +0100
From:	Cyrille Pitchen <cyrille.pitchen@...el.com>
To:	<nicolas.ferre@...el.com>, <gregkh@...uxfoundation.org>,
	<wenyou.yang@...el.com>, <ludovic.desroches@...el.com>,
	<leilei.zhao@...el.com>, <voice.shen@...el.com>,
	<josh.wu@...el.com>, <linux-serial@...r.kernel.org>
CC:	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Cyrille Pitchen <cyrille.pitchen@...el.com>
Subject: [PATCH 0/5] tty/serial: at91: fix atmel_serial_probe(), dma_sync_* and the Hardware Handshaking support

This series of patches fix many bugs:
- a wrong enum type was used when calling dma_sync_*_for_cpu() and
  dma_sync_*_for_device()
- IO accesses to registers were done in atmel_serial_probe() after the
  peripheral clock had been disabled.
- the -EDEFER error was not handled properly in atmel_serial_probe()
- the Hardware Handshaking mode could never be enabled to control the RTS line

The patches were made from the next-20141205 tag of the linux-next repository.
They were tested on a SAMA5Dx FPGA platform.

Cyrille Pitchen (5):
  tty/serial: at91: use correct type for dma_sync_*_for_cpu() and
    dma_sync_*_for_device()
  tty/serial: at91: enable peripheral clock before accessing I/O
    registers
  tty/serial: at91: fix error handling in atmel_serial_probe()
  tty/serial: at91: fix RTS line management when hardware handshake is
    enabled
  tty/serial: at91: fix typo and indentation

 drivers/tty/serial/atmel_serial.c | 153 +++++++++++++++++++++++++-------------
 1 file changed, 101 insertions(+), 52 deletions(-)

-- 
1.8.2.2

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