linux-kernel - Re: [PATCH 13/48] ARM: pxa: use pdev resource for palmld mmio

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Message-ID: <56f889d7-2305-ba7a-42af-9580d8f7df93@opensource.wdc.com>
Date:   Wed, 20 Apr 2022 08:55:36 +0900
From:   Damien Le Moal <damien.lemoal@...nsource.wdc.com>
To:     Arnd Bergmann <arnd@...nel.org>, robert.jarzmik@...e.fr,
        linux-arm-kernel@...ts.infradead.org
Cc:     Arnd Bergmann <arnd@...db.de>, Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Philipp Zabel <philipp.zabel@...il.com>,
        Lubomir Rintel <lkundrak@...sk>,
        Paul Parsons <lost.distance@...oo.com>,
        Tomas Cech <sleep_walker@...e.com>,
        Sergey Lapin <slapin@...fans.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Dominik Brodowski <linux@...inikbrodowski.net>,
        Helge Deller <deller@....de>, Mark Brown <broonie@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org,
        linux-ide@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-input@...r.kernel.org,
        patches@...nsource.cirrus.com, linux-leds@...r.kernel.org,
        linux-mmc@...r.kernel.org, linux-mtd@...ts.infradead.org,
        linux-rtc@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        alsa-devel@...a-project.org, Jens Axboe <axboe@...nel.dk>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: Re: [PATCH 13/48] ARM: pxa: use pdev resource for palmld mmio

On 4/20/22 01:37, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> The palmld header is almost unused in drivers, the only
> remaining thing now is the PATA device address, which should
> really be passed as a resource.
> 
> Cc: Jens Axboe <axboe@...nel.dk>
> Cc: linux-ide@...r.kernel.org
> Acked-by: Robert Jarzmik <robert.jarzmik@...e.fr>
> Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  arch/arm/mach-pxa/palmld-pcmcia.c             |  3 ++-
>  arch/arm/mach-pxa/palmld.c                    | 12 +++++++++---
>  arch/arm/mach-pxa/{include/mach => }/palmld.h |  2 +-
>  drivers/ata/pata_palmld.c                     |  3 +--
>  4 files changed, 13 insertions(+), 7 deletions(-)
>  rename arch/arm/mach-pxa/{include/mach => }/palmld.h (98%)
> 
> diff --git a/arch/arm/mach-pxa/palmld-pcmcia.c b/arch/arm/mach-pxa/palmld-pcmcia.c
> index 07e0f7438db1..720294a50864 100644
> --- a/arch/arm/mach-pxa/palmld-pcmcia.c
> +++ b/arch/arm/mach-pxa/palmld-pcmcia.c
> @@ -13,9 +13,10 @@
>  #include <linux/gpio.h>
>  
>  #include <asm/mach-types.h>
> -#include <mach/palmld.h>
>  #include <pcmcia/soc_common.h>
>  
> +#include "palmld.h"
> +
>  static struct gpio palmld_pcmcia_gpios[] = {
>  	{ GPIO_NR_PALMLD_PCMCIA_POWER,	GPIOF_INIT_LOW,	"PCMCIA Power" },
>  	{ GPIO_NR_PALMLD_PCMCIA_RESET,	GPIOF_INIT_HIGH,"PCMCIA Reset" },
> diff --git a/arch/arm/mach-pxa/palmld.c b/arch/arm/mach-pxa/palmld.c
> index d85146957004..d821606ce0b5 100644
> --- a/arch/arm/mach-pxa/palmld.c
> +++ b/arch/arm/mach-pxa/palmld.c
> @@ -29,8 +29,8 @@
>  #include <asm/mach/map.h>
>  
>  #include "pxa27x.h"
> +#include "palmld.h"
>  #include <linux/platform_data/asoc-pxa.h>
> -#include <mach/palmld.h>
>  #include <linux/platform_data/mmc-pxamci.h>
>  #include <linux/platform_data/video-pxafb.h>
>  #include <linux/platform_data/irda-pxaficp.h>
> @@ -279,9 +279,15 @@ static inline void palmld_leds_init(void) {}
>   * HDD
>   ******************************************************************************/
>  #if defined(CONFIG_PATA_PALMLD) || defined(CONFIG_PATA_PALMLD_MODULE)
> +static struct resource palmld_ide_resources[] = {
> +	DEFINE_RES_MEM(PALMLD_IDE_PHYS, 0x1000),
> +};
> +
>  static struct platform_device palmld_ide_device = {
> -	.name	= "pata_palmld",
> -	.id	= -1,
> +	.name		= "pata_palmld",
> +	.id		= -1,
> +	.resource	= palmld_ide_resources,
> +	.num_resources	= ARRAY_SIZE(palmld_ide_resources),
>  };
>  
>  static struct gpiod_lookup_table palmld_ide_gpio_table = {
> diff --git a/arch/arm/mach-pxa/include/mach/palmld.h b/arch/arm/mach-pxa/palmld.h
> similarity index 98%
> rename from arch/arm/mach-pxa/include/mach/palmld.h
> rename to arch/arm/mach-pxa/palmld.h
> index 99a6d8b3a1e3..ee3bc15b71a2 100644
> --- a/arch/arm/mach-pxa/include/mach/palmld.h
> +++ b/arch/arm/mach-pxa/palmld.h
> @@ -9,7 +9,7 @@
>  #ifndef _INCLUDE_PALMLD_H_
>  #define _INCLUDE_PALMLD_H_
>  
> -#include "irqs.h" /* PXA_GPIO_TO_IRQ */
> +#include <mach/irqs.h> /* PXA_GPIO_TO_IRQ */
>  
>  /** HERE ARE GPIOs **/
>  
> diff --git a/drivers/ata/pata_palmld.c b/drivers/ata/pata_palmld.c
> index 2448441571ed..400e65190904 100644
> --- a/drivers/ata/pata_palmld.c
> +++ b/drivers/ata/pata_palmld.c
> @@ -25,7 +25,6 @@
>  #include <linux/gpio/consumer.h>
>  
>  #include <scsi/scsi_host.h>
> -#include <mach/palmld.h>
>  
>  #define DRV_NAME "pata_palmld"
>  
> @@ -63,7 +62,7 @@ static int palmld_pata_probe(struct platform_device *pdev)
>  		return -ENOMEM;
>  
>  	/* remap drive's physical memory address */
> -	mem = devm_ioremap(dev, PALMLD_IDE_PHYS, 0x1000);
> +	mem = devm_platform_ioremap_resource(pdev, 0);
>  	if (!mem)
>  		return -ENOMEM;
>  

Acked-by: Damien Le Moal <damien.lemoal@...nsource.wdc.com>

-- 
Damien Le Moal
Western Digital Research