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From: Mark Brown <broonie@kernel.org>
To: Chris Brandt <Chris.Brandt@renesas.com>
Cc: Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	"linux-spi@vger.kernel.org" <linux-spi@vger.kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-renesas-soc@vger.kernel.org" 
	<linux-renesas-soc@vger.kernel.org>,
	"linux-clk@vger.kernel.org" <linux-clk@vger.kernel.org>,
	Mason Yang <masonccyang@mxic.com.tw>,
	Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Subject: Re: [PATCH 4/6] spi: Add SPIBSC driver
Date: Wed, 4 Dec 2019 16:49:56 +0000
Message-ID: <20191204164956.GW1998@sirena.org.uk> (raw)
In-Reply-To: <TY1PR01MB1562C00B477C60A6C264F2A28A5D0@TY1PR01MB1562.jpnprd01.prod.outlook.com>

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On Wed, Dec 04, 2019 at 03:51:48PM +0000, Chris Brandt wrote:
> On Tue, Dec 3, 2019, Mark Brown wrote:

> > Looking at a bunch of the stuff here it looks like you could benefit from
> > regmap, it's got lots of debug infrastructure.

> Thank you for the suggestion, but I looked into using regmap, and there 
> are a lot of drivers that use it, but I don't think it's going to work 
> well for me.
> Regmap assumes that all the registers will be the same size. I have to 
> have functions that write with different widths (8/16/32) for a reason.

You *can* have more than one regmap for a device, or if it really
only is one or two registers open code accesses to just those
registers.

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  reply index

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-03  3:45 [PATCH 0/6] spi: Add Renesas SPIBSC controller Chris Brandt
2019-12-03  3:45 ` [PATCH 1/6] clk: renesas: mstp: Add critical clock from device tree support Chris Brandt
2019-12-03 18:32   ` Geert Uytterhoeven
2019-12-03 18:46     ` Chris Brandt
2019-12-03 18:51       ` Geert Uytterhoeven
2019-12-03  3:45 ` [PATCH 2/6] ARM: dts: r7s72100: Add SPIBSC clocks Chris Brandt
2019-12-03 18:42   ` Geert Uytterhoeven
2019-12-03 18:57     ` Chris Brandt
2019-12-03 19:12       ` Geert Uytterhoeven
2019-12-04  8:38         ` Lee Jones
2019-12-04  9:03           ` Geert Uytterhoeven
2019-12-04  9:47             ` Lee Jones
2019-12-04 11:00               ` Chris Brandt
2019-12-03  3:45 ` [PATCH 3/6] clk: renesas: r7s9210: Add SPIBSC clock Chris Brandt
2019-12-03 18:49   ` Geert Uytterhoeven
2019-12-03 19:09     ` Chris Brandt
2019-12-03 20:40       ` Geert Uytterhoeven
2019-12-04  3:09         ` Chris Brandt
2019-12-03  3:45 ` [PATCH 4/6] spi: Add SPIBSC driver Chris Brandt
2019-12-03 14:19   ` Mark Brown
2019-12-03 15:00     ` Chris Brandt
2019-12-03 18:29     ` Geert Uytterhoeven
2019-12-04 11:25       ` Mark Brown
2019-12-04 12:14         ` Geert Uytterhoeven
2019-12-04 15:51     ` Chris Brandt
2019-12-04 16:49       ` Mark Brown [this message]
2019-12-03 18:28   ` Geert Uytterhoeven
2019-12-04 11:18     ` Mark Brown
2019-12-04 22:12     ` Chris Brandt
2019-12-03  3:45 ` [PATCH 5/6] ARM: dts: r7s9210: Add SPIBSC Device support Chris Brandt
2019-12-03 18:59   ` Geert Uytterhoeven
2019-12-03 22:38     ` Chris Brandt
2019-12-04  7:57       ` Geert Uytterhoeven
2019-12-04 11:04         ` Chris Brandt
2019-12-03  3:45 ` [PATCH 6/6] dt-bindings: spi: Document Renesas SPIBSC bindings Chris Brandt
2019-12-03  9:14   ` Sergei Shtylyov
2019-12-03 13:27     ` Chris Brandt
2019-12-03 16:04       ` Sergei Shtylyov
2019-12-03 16:35         ` Chris Brandt
2019-12-03 18:57   ` Geert Uytterhoeven
2019-12-03 20:39     ` Geert Uytterhoeven
2019-12-04  2:54       ` Chris Brandt
2019-12-04  8:56         ` Geert Uytterhoeven
2019-12-04 13:31           ` Chris Brandt
2019-12-05 15:48             ` Geert Uytterhoeven
2019-12-05 16:00               ` Chris Brandt
2019-12-04  8:40       ` Geert Uytterhoeven
2019-12-03 22:33     ` Chris Brandt
2019-12-04  8:43       ` Geert Uytterhoeven
2019-12-04 11:19         ` Chris Brandt

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