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From: Robert Jarzmik <robert.jarzmik@free.fr>
To: Arnd Bergmann <arnd@arndb.de>, Russell King <linux@arm.linux.org.uk>
Cc: Daniel Mack <daniel@zonque.org>,
	Haojian Zhuang <haojian.zhuang@gmail.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Linus Walleij <linus.walleij@linaro.org>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	Viresh Kumar <viresh.kumar@linaro.org>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Jacek Anaszewski <jacek.anaszewski@gmail.com>,
	Pavel Machek <pavel@ucw.cz>, Ulf Hansson <ulf.hansson@linaro.org>,
	Dominik Brodowski <linux@dominikbrodowski.net>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Guenter Roeck <linux@roeck-us.net>,
	Mark Brown <broonie@kernel.org>,
	linux-clk@vger.kernel.org, linux-pm@vger.kernel.org,
	linux-input@vger.kernel.org, linux-leds@vger.kernel.org,
	linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org,
	linux-rtc@vger.kernel.org, linux-usb@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
	linux-watchdog@vger.kernel.org, alsa-devel@alsa-project.org
Subject: Re: [PATCH 05/46] ARM: pxa: split up mach/hardware.h
Date: Mon, 28 Oct 2019 20:14:18 +0100
Message-ID: <87d0egof79.fsf@belgarion.home> (raw)
In-Reply-To: <20191018154201.1276638-5-arnd@arndb.de> (Arnd Bergmann's message of "Fri, 18 Oct 2019 17:41:20 +0200")

Arnd Bergmann <arnd@arndb.de> writes:

> The mach/hardware.h is included in lots of places, and it provides
> three different things on pxa:
>
> - the cpu_is_pxa* macros
> - an indirect inclusion of mach/addr-map.h
> - the __REG() and io_pv2() helper macros
>
> Split it up into separate <linux/soc/pxa/cpu.h> and mach/pxa-regs.h
> headers, then change all the files that use mach/hardware.h to
> include the exact set of those three headers that they actually
> need, allowing for further more targeted cleanup.
>
> linux/soc/pxa/cpu.h can remain permanently exported and is now in
> a global location along with similar headers. pxa-regs.h and
> addr-map.h are only used in a very small number of drivers now
> and can be moved to arch/arm/mach-pxa/ directly when those drivers
> are to pass the necessary data as resources.

For the pxa part, that looks fine to me.
I'd like to focus a bit of Russell's attention to the sa11xx part (reminder in
[1]), and more specifically :

 - the change to drivers/pcmcia/soc_common.c
 - the change to drivers/pcmcia/sa1111_generic.c

I must admit my knowledge of PCMCIA is relatively poor, and even if the patch
looks harmless, one never knows if Assebet will ever by same after ...

Cheers.

--
Robert

[1] Extract of the patch for Russell's scrutiny
> diff --git a/drivers/pcmcia/sa1111_generic.c b/drivers/pcmcia/sa1111_generic.c
> index 11783410223b..2f556fa37c43 100644
> --- a/drivers/pcmcia/sa1111_generic.c
> +++ b/drivers/pcmcia/sa1111_generic.c
> @@ -17,7 +17,6 @@
>  
>  #include <pcmcia/ss.h>
>  
> -#include <mach/hardware.h>
>  #include <asm/hardware/sa1111.h>
>  #include <asm/mach-types.h>
>  #include <asm/irq.h>
... zip ...

> diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c
> index 3a8c84bb174d..9276a628473d 100644
> --- a/drivers/pcmcia/soc_common.c
> +++ b/drivers/pcmcia/soc_common.c
> @@ -47,8 +47,6 @@
>  #include <linux/spinlock.h>
>  #include <linux/timer.h>
>  
> -#include <mach/hardware.h>
> -
>  #include "soc_common.h"
>  
>  static irqreturn_t soc_common_pcmcia_interrupt(int irq, void *dev);

  parent reply index

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-18 15:40 [PATCH 00/46] ARM: pxa: towards multiplatform support Arnd Bergmann
2019-10-18 15:41 ` [PATCH 05/46] ARM: pxa: split up mach/hardware.h Arnd Bergmann
2019-10-18 18:37   ` Dmitry Torokhov
2019-10-19 21:22   ` Alexandre Belloni
2019-10-21  2:27   ` Viresh Kumar
2019-10-21  9:58   ` Ulf Hansson
2019-10-22 16:36   ` Mark Brown
2019-10-28  9:18   ` Stephen Boyd
2019-10-28 19:14   ` Robert Jarzmik [this message]
2019-10-18 19:03 ` [PATCH 00/46] ARM: pxa: towards multiplatform support Robert Jarzmik
     [not found]   ` <CAK8P3a1JDtHsOW=iaxEycbJ4TBkR9MHUyDMeJnwxCtb=tefnBQ@mail.gmail.com>
2019-10-18 19:32     ` Arnd Bergmann
2019-10-19 10:35       ` Robert Jarzmik
2019-10-24 20:49         ` Robert Jarzmik
2019-10-25 10:50           ` Arnd Bergmann
2019-10-19  1:02 ` Guenter Roeck
2019-10-19 10:08   ` Arnd Bergmann
2019-10-19 10:09   ` Arnd Bergmann

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