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From: Andy Shevchenko <>
To: Eddie James <>
Cc: linux-spi <>,
	Linux Kernel Mailing List
	Mark Brown <>,
	Joel Stanley <>,
	Andrew Jeffery <>
Subject: Re: [PATCH v2] spi: Add FSI-attached SPI controller driver
Date: Tue, 4 Feb 2020 13:05:28 +0200	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Tue, Feb 4, 2020 at 12:30 AM Eddie James <> wrote:
> There exists a set of SPI controllers on some POWER processors that may
> be accessed through the FSI bus. Add a driver to traverse the FSI CFAM
> engine that can access and drive the SPI controllers. This driver would
> typically be used by a baseboard management controller (BMC).
> The SPI controllers operate by means of programming a sequencing engine
> which automatically manages the usual SPI protocol buses. The driver
> programs each transfer into the sequencer as various operations
> specifying the slave chip and shifting data in and out on the lines.

Some comments left unsettled in v1, thus applicable here.

With Best Regards,
Andy Shevchenko

  parent reply	other threads:[~2020-02-04 11:05 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-03 22:30 Eddie James
     [not found] ` <>
2020-02-04 11:05   ` Andy Shevchenko [this message]
     [not found]     ` <>
2020-02-24 18:54       ` Eddie James
2020-02-25  5:08   ` Joel Stanley
2020-02-25  9:38     ` Andy Shevchenko
     [not found]     ` <>
2020-02-25 19:45       ` Eddie James

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