linux-kernel - Re: [PATCH 6/9] arm: twr-k70f120m: clock source drivers for Kinetis SoC

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Date:	Wed, 24 Jun 2015 00:25:11 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Paul Osmialowski <pawelo@...g.net.pl>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Anson Huang <b20788@...escale.com>,
	Ard Biesheuvel <ard.biesheuvel@...aro.org>,
	Bhupesh Sharma <bhupesh.sharma@...escale.com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Frank Li <Frank.Li@...escale.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Guenter Roeck <linux@...ck-us.net>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Jingchang Lu <jingchang.lu@...escale.com>,
	Jiri Slaby <jslaby@...e.cz>, Kees Cook <keescook@...omium.org>,
	Kumar Gala <galak@...eaurora.org>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Magnus Damm <damm+renesas@...nsource.se>,
	Michael Turquette <mturquette@...libre.com>,
	Nathan Lynch <nathan_lynch@...tor.com>,
	Nicolas Pitre <nico@...aro.org>,
	Maxime Coquelin stm32 <mcoquelin.stm32@...il.com>,
	Olof Johansson <olof@...om.net>,
	Paul Bolle <pebolle@...cali.nl>,
	Rob Herring <r.herring@...escale.com>,
	Rob Herring <robh+dt@...nel.org>,
	Russell King <linux@....linux.org.uk>,
	Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
	Shawn Guo <shawn.guo@...aro.org>,
	Simon Horman <horms+renesas@...ge.net.au>,
	Stefan Agner <stefan@...er.ch>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Uwe Kleine-Koenig <u.kleine-koenig@...gutronix.de>,
	Catalin Marinas <catalin.marinas@....com>,
	Dave Martin <Dave.Martin@....com>,
	Mark Rutland <mark.rutland@....com>,
	Pawel Moll <pawel.moll@....com>, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
	linux-gpio@...r.kernel.org, linux-serial@...r.kernel.org,
	devicetree@...r.kernel.org, dmaengine@...r.kernel.org,
	Yuri Tikhonov <yur@...raft.com>,
	Sergei Poselenov <sposelenov@...raft.com>,
	Dmitry Cherkassov <d_cherkasov@...raft.com>,
	Alexander Potashev <aspotashev@...raft.com>
Subject: Re: [PATCH 6/9] arm: twr-k70f120m: clock source drivers for Kinetis SoC

On Tuesday 23 June 2015 23:19:44 Paul Osmialowski wrote:
> +#define KINETIS_CG_UART0       KINETIS_MKCG(3, 10)     /* SIM_SCGC4[10] */
> +#define KINETIS_CG_UART1       KINETIS_MKCG(3, 11)     /* SIM_SCGC4[11] */
> +#define KINETIS_CG_UART2       KINETIS_MKCG(3, 12)     /* SIM_SCGC4[12] */
> +#define KINETIS_CG_UART3       KINETIS_MKCG(3, 13)     /* SIM_SCGC4[13] */
> +#define KINETIS_CG_UART4       KINETIS_MKCG(0, 10)     /* SIM_SCGC1[10] */
> +#define KINETIS_CG_UART5       KINETIS_MKCG(0, 11)     /* SIM_SCGC1[11] */
> +/* Ports */
> +#define KINETIS_CG_PORTA       KINETIS_MKCG(4, 9)      /* SIM_SCGC5[9] */
> +#define KINETIS_CG_PORTB       KINETIS_MKCG(4, 10)     /* SIM_SCGC5[10] */
> +#define KINETIS_CG_PORTC       KINETIS_MKCG(4, 11)     /* SIM_SCGC5[11] */
> +#define KINETIS_CG_PORTD       KINETIS_MKCG(4, 12)     /* SIM_SCGC5[12] */
> +#define KINETIS_CG_PORTE       KINETIS_MKCG(4, 13)     /* SIM_SCGC5[13] */
> +#define KINETIS_CG_PORTF       KINETIS_MKCG(4, 14)     /* SIM_SCGC5[14] */
> 

Instead of using a triple indirection here, just put the tuples
in the DT directly using #clock-cells=<2>, and get rid of both this
header file and the dt-bindings/clock/kinetis-mcg.h file.

	Arnd
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