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Message-ID: <643b0e6a-49a0-00bb-7aed-6d36c1e0bb6b@intel.com>
Date: Fri, 17 Jun 2016 10:04:27 +0300
From: Crestez Dan Leonard <leonard.crestez@...el.com>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Mark Brown <broonie@...nel.org>,
linux-spi <linux-spi@...r.kernel.org>,
Wolfram Sang <wsa@...-dreams.de>,
Linux I2C <linux-i2c@...r.kernel.org>,
Jonathan Cameron <jic23@...nel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC] regmap: Add regmap_pipe_read API
On 06/16/2016 06:43 PM, Geert Uytterhoeven wrote:
> Hi Leonard,
>
> On Thu, Jun 16, 2016 at 5:24 PM, Crestez Dan Leonard
> <leonard.crestez@...el.com> wrote:
>> The regmap API usually assumes that bulk read operations will read a
>> range of registers but some I2C/SPI devices have certain registers for
>> which a such a read operation will return data from an internal FIFO
>> instead. Add an explicit API to support bulk read with pipe rather than
>> range semantics.
>
> Please settle on either "fifo" or "pipe", instead of mixing both.
> Personally, I prefer the former.
Well, it doesn't have to be a fifo. The device can return data from some
other kind of buffer (maybe a stack). I can adjust the documentation to
clarify.
I considered naming it something like regmap_multi_read_one_reg or
something but regmap_pipe_read sounds reasonable and short.
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