linux-kernel - Re: [PATCH v3 06/10] x86: olpc-xo1-pm: Remove invocation of MFD's .enable()/.disable() call-backs

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Date:   Fri, 25 Oct 2019 09:53:53 +0100
From:   Daniel Thompson <daniel.thompson@...aro.org>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     arnd@...db.de, broonie@...nel.org, linus.walleij@...aro.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        baohua@...nel.org, stephan@...hold.net
Subject: Re: [PATCH v3 06/10] x86: olpc-xo1-pm: Remove invocation of MFD's
 .enable()/.disable() call-backs

On Thu, Oct 24, 2019 at 05:38:28PM +0100, Lee Jones wrote:
> IO regions are now requested and released by this device's parent.
> 
> Signed-off-by: Lee Jones <lee.jones@...aro.org>

Reviewed-by: Daniel Thompson <daniel.thompson@...aro.org>

> ---
>  arch/x86/platform/olpc/olpc-xo1-pm.c | 8 --------
>  1 file changed, 8 deletions(-)
> 
> diff --git a/arch/x86/platform/olpc/olpc-xo1-pm.c b/arch/x86/platform/olpc/olpc-xo1-pm.c
> index e1a32062a375..f067ac780ba7 100644
> --- a/arch/x86/platform/olpc/olpc-xo1-pm.c
> +++ b/arch/x86/platform/olpc/olpc-xo1-pm.c
> @@ -12,7 +12,6 @@
>  #include <linux/platform_device.h>
>  #include <linux/export.h>
>  #include <linux/pm.h>
> -#include <linux/mfd/core.h>
>  #include <linux/suspend.h>
>  #include <linux/olpc-ec.h>
>  
> @@ -120,16 +119,11 @@ static const struct platform_suspend_ops xo1_suspend_ops = {
>  static int xo1_pm_probe(struct platform_device *pdev)
>  {
>  	struct resource *res;
> -	int err;
>  
>  	/* don't run on non-XOs */
>  	if (!machine_is_olpc())
>  		return -ENODEV;
>  
> -	err = mfd_cell_enable(pdev);
> -	if (err)
> -		return err;
> -
>  	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
>  	if (!res) {
>  		dev_err(&pdev->dev, "can't fetch device resource info\n");
> @@ -152,8 +146,6 @@ static int xo1_pm_probe(struct platform_device *pdev)
>  
>  static int xo1_pm_remove(struct platform_device *pdev)
>  {
> -	mfd_cell_disable(pdev);
> -
>  	if (strcmp(pdev->name, "cs5535-pms") == 0)
>  		pms_base = 0;
>  	else if (strcmp(pdev->name, "olpc-xo1-pm-acpi") == 0)
> -- 
> 2.17.1
>