netdev - Re: [PATCH v5 00/39] ep93xx device tree conversion

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Date: Wed, 22 Nov 2023 12:26:30 +0200
From: Andy Shevchenko <andy@...nel.org>
To: nikita.shubin@...uefel.me
Cc: Hartley Sweeten <hsweeten@...ionengravers.com>,
	Alexander Sverdlin <alexander.sverdlin@...il.com>,
	Russell King <linux@...linux.org.uk>,
	Lukasz Majewski <lukma@...x.de>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>, Sebastian Reichel <sre@...nel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>, Vinod Koul <vkoul@...nel.org>,
	Wim Van Sebroeck <wim@...ux-watchdog.org>,
	Guenter Roeck <linux@...ck-us.net>,
	Thierry Reding <thierry.reding@...il.com>,
	Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
	Mark Brown <broonie@...nel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Miquel Raynal <miquel.raynal@...tlin.com>,
	Richard Weinberger <richard@....at>,
	Vignesh Raghavendra <vigneshr@...com>,
	Damien Le Moal <dlemoal@...nel.org>,
	Sergey Shtylyov <s.shtylyov@....ru>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-gpio@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
	dmaengine@...r.kernel.org, linux-watchdog@...r.kernel.org,
	linux-pwm@...r.kernel.org, linux-spi@...r.kernel.org,
	netdev@...r.kernel.org, linux-mtd@...ts.infradead.org,
	linux-ide@...r.kernel.org, linux-input@...r.kernel.org,
	linux-sound@...r.kernel.org,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
	Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH v5 00/39] ep93xx device tree conversion

On Wed, Nov 22, 2023 at 11:59:38AM +0300, Nikita Shubin via B4 Relay wrote:
> This series aims to convert ep93xx from platform to full device tree support.
> 
> The main goal is to receive ACK's to take it via Arnd's arm-soc branch.
> 
> Bit thanks to Krzysztof Kozlowski for his zero-day review.
> 
> Krzysztof, Sergey, i've changed some files that you have already provided tag:
> - dt-bindings: spi: Add Cirrus EP93xx
> - ata: pata_ep93xx: add device tree support
> 
> Added DMA and renamed clock header file.
> 
> Sergey, Damien, i've changed some files that you have already provided tag:
> - ata: pata_ep93xx: add device tree support
> 
> Added OF DMA setup and dropped platform file.
> 
> Mark, i've changed some files that you have already provided tag:
> - spi: ep93xx: add DT support for Cirrus EP93xx
> 
> Added OF DMA setup and dropped platform file.
> 
> Major updates:
> 
> - reboot, pinctrl, clk are now auxiliary and instantiated from SoC driver as
>   Stephen Boyd suggested
> - i moved all clock code to clk-ep93xx.c, as it no longer has a separate dt node, 
>   so XTALI is externalk for this driver and passed as index 0, and pll1, pll2 are
>   internal and passed via pointer for parent_data
> - reboot bindings dropped
> - pinctrl and clk bindings moved to syscon YAML
> - xlate added for DMA, so now all DMA users use it via device tree, otherwise probe 
>   order messed up and we might end up probing before DMA with no possibility to defer probing
> - DMA port bindings dropped, they are described in YAML file
> - DMA platform code dropped
> - i2s, spi, pata now use OF DMA
> - YAML and dtsi/dts changed to reflect auxiliary conversion and DMA changes

> Patches should be now formated with '--patience'

It seems we are a step behind on Torvalds' mind :-)
A few weeks ago he suggested to use --histogram is the best option.
But hey, --patience probably is good enough for this version, so
thank you for using it!

-- 
With Best Regards,
Andy Shevchenko