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From: Maxim Kiselev <bigunclemax@gmail.com>
To: David Laight <David.Laight@aculab.com>
Cc: Andre Przywara <andre.przywara@arm.com>,
	Icenowy Zheng <icenowy@aosc.io>,
	Samuel Holland <samuel@sholland.org>,
	Mark Brown <broonie@kernel.org>, Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Cristian Ciocaltea <cristian.ciocaltea@collabora.com>,
	Heiko Stuebner <heiko.stuebner@vrull.eu>,
	Maxime Ripard <mripard@kernel.org>,
	"linux-spi@vger.kernel.org" <linux-spi@vger.kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"linux-sunxi@lists.linux.dev" <linux-sunxi@lists.linux.dev>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-riscv@lists.infradead.org"
	<linux-riscv@lists.infradead.org>
Subject: Re: [PATCH v3 2/5] spi: sun6i: change OF match data to a struct
Date: Wed, 10 May 2023 11:33:56 +0300	[thread overview]
Message-ID: <CALHCpMh84Q8RAh2Y+cHzAvsm4h5zBZY=9fPF6OVmtLNvX+ePxQ@mail.gmail.com> (raw)
In-Reply-To: <702d085b3b814759a344886364c518f8@AcuMS.aculab.com>

Hi, David

> Is it worth doing a structure copy at this point?
> The 'cfg' data is short and constant and it would make
> the code that uses it smaller and faster.

I'm sorry but I don't fully understand what you are suggesting.
In patch 3\5 we extend the sun6i_spi_cfg structure with the has_clk_ctl field.

пн, 8 мая 2023 г. в 12:47, David Laight <David.Laight@aculab.com>:
>
> From: Maksim Kiselev
> > Sent: 07 May 2023 00:26
> >
> > As we're adding more properties to the OF match data, convert it to a
> > struct now.
> >
> ...
> > -     sspi->fifo_depth = (unsigned long)of_device_get_match_data(&pdev->dev);
> > +     sspi->cfg = of_device_get_match_data(&pdev->dev);
>
> Is it worth doing a structure copy at this point?
> The 'cfg' data is short and constant and it would make
> the code that uses it smaller and faster.
>
>         David
>
> -
> Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
> Registration No: 1397386 (Wales)
>

  reply	other threads:[~2023-05-10  8:35 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-06 23:26 [PATCH v3 0/5] Allwinner R329/D1/R528/T113s SPI support Maksim Kiselev
2023-05-06 23:26 ` [PATCH v3 1/5] dt-bindings: spi: sun6i: add DT bindings for Allwinner R329/D1/R528/T113s SPI Maksim Kiselev
2023-05-07  7:43   ` Krzysztof Kozlowski
     [not found]   ` <835082fe07b77db8598aebabe98a74c2c5ac47d1.camel@aosc.io>
2023-05-07  7:43     ` Krzysztof Kozlowski
2023-05-07  9:50     ` Andre Przywara
2023-05-06 23:26 ` [PATCH v3 2/5] spi: sun6i: change OF match data to a struct Maksim Kiselev
2023-05-08  9:47   ` David Laight
2023-05-10  8:33     ` Maxim Kiselev [this message]
2023-05-10  8:55       ` David Laight
2023-05-10 10:13         ` Andre Przywara
2023-05-06 23:26 ` [PATCH v3 3/5] spi: sun6i: add quirk for in-controller clock divider Maksim Kiselev
2023-05-07  9:51   ` Andre Przywara
2023-05-07 15:09     ` Maxim Kiselev
2023-05-06 23:26 ` [PATCH v3 4/5] spi: sun6i: add support for R329/D1/R528/T113s SPI controllers Maksim Kiselev
2023-05-07  9:52   ` Andre Przywara
2023-05-06 23:26 ` [PATCH v3 5/5] riscv: dts: allwinner: d1: Add SPI controllers node Maksim Kiselev
2023-05-07  9:52   ` Andre Przywara

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