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Message-ID: <20081013145241.GC4759@localdomain>
Date: Mon, 13 Oct 2008 16:52:42 +0200
From: Samuel Ortiz <sameo@...nedhand.com>
To: Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc: Liam Girdwood <lrg@...mlogic.co.uk>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] mfd: Add placeholders for WM8350 client devices
On Mon, Oct 13, 2008 at 03:45:22PM +0100, Mark Brown wrote:
> In order to avoid merge problems further down the line add placeholders
> for several of the WM8350 client devices and register them, otherwise
> the patches adding the client devices will all try to update the same
> code.
>
> Also remove redundant checks for null regulator platform devices while
> we're at it.
>
> Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@...nedhand.com>
Thanks Mark.
Cheers,
Samuel.
> ---
> drivers/mfd/wm8350-core.c | 18 ++++++++++++++++--
> include/linux/mfd/wm8350/audio.h | 6 ++++++
> include/linux/mfd/wm8350/core.h | 10 ++++++++++
> include/linux/mfd/wm8350/gpio.h | 6 ++++++
> include/linux/mfd/wm8350/rtc.h | 6 ++++++
> include/linux/mfd/wm8350/supply.h | 6 ++++++
> include/linux/mfd/wm8350/wdt.h | 8 +++++++-
> 7 files changed, 57 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
> index cd1f76e..382e38c 100644
> --- a/drivers/mfd/wm8350-core.c
> +++ b/drivers/mfd/wm8350-core.c
> @@ -1234,6 +1234,15 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq,
>
> wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0x0);
>
> + wm8350_client_dev_register(wm8350, "wm8350-codec",
> + &(wm8350->codec.pdev));
> + wm8350_client_dev_register(wm8350, "wm8350-gpio",
> + &(wm8350->gpio.pdev));
> + wm8350_client_dev_register(wm8350, "wm8350-power",
> + &(wm8350->power.pdev));
> + wm8350_client_dev_register(wm8350, "wm8350-rtc", &(wm8350->rtc.pdev));
> + wm8350_client_dev_register(wm8350, "wm8350-wdt", &(wm8350->wdt.pdev));
> +
> return 0;
>
> err:
> @@ -1247,8 +1256,13 @@ void wm8350_device_exit(struct wm8350 *wm8350)
> int i;
>
> for (i = 0; i < ARRAY_SIZE(wm8350->pmic.pdev); i++)
> - if (wm8350->pmic.pdev[i] != NULL)
> - platform_device_unregister(wm8350->pmic.pdev[i]);
> + platform_device_unregister(wm8350->pmic.pdev[i]);
> +
> + platform_device_unregister(wm8350->wdt.pdev);
> + platform_device_unregister(wm8350->rtc.pdev);
> + platform_device_unregister(wm8350->power.pdev);
> + platform_device_unregister(wm8350->gpio.pdev);
> + platform_device_unregister(wm8350->codec.pdev);
>
> free_irq(wm8350->chip_irq, wm8350);
> flush_work(&wm8350->irq_work);
> diff --git a/include/linux/mfd/wm8350/audio.h b/include/linux/mfd/wm8350/audio.h
> index 43342f7..217bb22 100644
> --- a/include/linux/mfd/wm8350/audio.h
> +++ b/include/linux/mfd/wm8350/audio.h
> @@ -13,6 +13,8 @@
> #ifndef __LINUX_MFD_WM8350_AUDIO_H_
> #define __LINUX_MFD_WM8350_AUDIO_H_
>
> +#include <linux/platform_device.h>
> +
> #define WM8350_CLOCK_CONTROL_1 0x28
> #define WM8350_CLOCK_CONTROL_2 0x29
> #define WM8350_FLL_CONTROL_1 0x2A
> @@ -589,4 +591,8 @@
> #define WM8350_IRQ_CODEC_MICSCD 41
> #define WM8350_IRQ_CODEC_MICD 42
>
> +struct wm8350_codec {
> + struct platform_device *pdev;
> +};
> +
> #endif
> diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h
> index 348101c..6ebf97f 100644
> --- a/include/linux/mfd/wm8350/core.h
> +++ b/include/linux/mfd/wm8350/core.h
> @@ -17,7 +17,12 @@
> #include <linux/mutex.h>
> #include <linux/workqueue.h>
>
> +#include <linux/mfd/wm8350/audio.h>
> +#include <linux/mfd/wm8350/gpio.h>
> #include <linux/mfd/wm8350/pmic.h>
> +#include <linux/mfd/wm8350/rtc.h>
> +#include <linux/mfd/wm8350/supply.h>
> +#include <linux/mfd/wm8350/wdt.h>
>
> /*
> * Register values.
> @@ -574,7 +579,12 @@ struct wm8350 {
> int chip_irq;
>
> /* Client devices */
> + struct wm8350_codec codec;
> + struct wm8350_gpio gpio;
> struct wm8350_pmic pmic;
> + struct wm8350_power power;
> + struct wm8350_rtc rtc;
> + struct wm8350_wdt wdt;
> };
>
> /**
> diff --git a/include/linux/mfd/wm8350/gpio.h b/include/linux/mfd/wm8350/gpio.h
> index c6cd2ca..ed91e8f 100644
> --- a/include/linux/mfd/wm8350/gpio.h
> +++ b/include/linux/mfd/wm8350/gpio.h
> @@ -13,6 +13,8 @@
> #ifndef __LINUX_MFD_WM8350_GPIO_H_
> #define __LINUX_MFD_WM8350_GPIO_H_
>
> +#include <linux/platform_device.h>
> +
> /*
> * GPIO Registers.
> */
> @@ -328,6 +330,10 @@ struct wm8350;
> int wm8350_gpio_config(struct wm8350 *wm8350, int gpio, int dir, int func,
> int pol, int pull, int invert, int debounce);
>
> +struct wm8350_gpio {
> + struct platform_device *pdev;
> +};
> +
> /*
> * GPIO Interrupts
> */
> diff --git a/include/linux/mfd/wm8350/rtc.h b/include/linux/mfd/wm8350/rtc.h
> index cb337ea..dfda69e 100644
> --- a/include/linux/mfd/wm8350/rtc.h
> +++ b/include/linux/mfd/wm8350/rtc.h
> @@ -12,6 +12,8 @@
> #ifndef __LINUX_MFD_WM8350_RTC_H
> #define __LINUX_MFD_WM8350_RTC_H
>
> +#include <linux/platform_device.h>
> +
> /*
> * Register values.
> */
> @@ -257,4 +259,8 @@
> #define WM8350_IRQ_RTC_SEC 8
> #define WM8350_IRQ_RTC_ALM 9
>
> +struct wm8350_rtc {
> + struct platform_device *pdev;
> +};
> +
> #endif
> diff --git a/include/linux/mfd/wm8350/supply.h b/include/linux/mfd/wm8350/supply.h
> index f1d4317..1c8f3cd 100644
> --- a/include/linux/mfd/wm8350/supply.h
> +++ b/include/linux/mfd/wm8350/supply.h
> @@ -13,6 +13,8 @@
> #ifndef __LINUX_MFD_WM8350_SUPPLY_H_
> #define __LINUX_MFD_WM8350_SUPPLY_H_
>
> +#include <linux/platform_device.h>
> +
> /*
> * Charger registers
> */
> @@ -102,4 +104,8 @@
> #define WM8350_IRQ_EXT_WALL_FB 37
> #define WM8350_IRQ_EXT_BAT_FB 38
>
> +struct wm8350_power {
> + struct platform_device *pdev;
> +};
> +
> #endif
> diff --git a/include/linux/mfd/wm8350/wdt.h b/include/linux/mfd/wm8350/wdt.h
> index 72fc9f5..f6135b5 100644
> --- a/include/linux/mfd/wm8350/wdt.h
> +++ b/include/linux/mfd/wm8350/wdt.h
> @@ -1,7 +1,7 @@
> /*
> * wdt.h -- Watchdog Driver for Wolfson WM8350 PMIC
> *
> - * Copyright 2007 Wolfson Microelectronics PLC
> + * Copyright 2007, 2008 Wolfson Microelectronics PLC
> *
> * This program is free software; you can redistribute it and/or modify it
> * under the terms of the GNU General Public License as published by the
> @@ -12,6 +12,8 @@
> #ifndef __LINUX_MFD_WM8350_WDT_H_
> #define __LINUX_MFD_WM8350_WDT_H_
>
> +#include <linux/platform_device.h>
> +
> #define WM8350_WDOG_HIB_MODE 0x0080
> #define WM8350_WDOG_DEBUG 0x0040
> #define WM8350_WDOG_MODE_MASK 0x0030
> @@ -19,4 +21,8 @@
>
> #define WM8350_IRQ_SYS_WDOG_TO 24
>
> +struct wm8350_wdt {
> + struct platform_device *pdev;
> +};
> +
> #endif
> --
> 1.5.6.5
>
--
Intel Open Source Technology Centre
http://oss.intel.com/
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