From: Antony Pavlov <antonynpavlov@gmail.com>
To: barebox@lists.infradead.org
Subject: [PATCH v4 0/2] ns16550-related patches
Date: Wed, 18 Jan 2012 10:31:52 +0400 [thread overview]
Message-ID: <1326868316-29385-1-git-send-email-antonynpavlov@gmail.com> (raw)
This patch series consist of two ns16550-related patches.
[PATCH v4 1/4] ns16550: support for UART with broken FIFO
[PATCH v4 2/4] ns16550: make ns16550_serial_init_port() shorter
[PATCH v4 3/4] ns16550: write zero to ier only once
[PATCH v4 4/4] ns16550: fix ier selection
The 1st one adds the flag (NS16650_FLAG_DISABLE_FIFO) in internal
ns16550 data structure to recognise UART with broken FIFO
(or UART without FIFO at all) and the code to use this flag.
The flag can be set in board-related code.
The 2nd one use the fact that ns16550_serial_init_port() and
ns16550_setbaudrate() functions have many common code.
It change the most of ns16550_serial_init_port() code for
one ns16550_setbaudrate() call.
The 3rd one removes unnecessary interrupt disable on every
speed change operation.
The 4th one adds explicit IER register selection before accessing it.
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next reply other threads:[~2012-01-18 6:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-18 6:31 Antony Pavlov [this message]
2012-01-18 6:31 ` [PATCH v4 1/4] ns16550: support for UART with broken FIFO Antony Pavlov
2012-01-18 6:31 ` [PATCH v4 2/4] ns16550: make ns16550_serial_init_port() shorter Antony Pavlov
2012-01-18 6:31 ` [PATCH v4 3/4] ns16550: write zero to ier only once Antony Pavlov
2012-01-18 6:31 ` [PATCH v4 4/4] ns16550: fix ier selection Antony Pavlov
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