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Re: [PATCH 3/3] mfd: hi655x-pmic: Add powerkey device to hi655x PMIC driver

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On Thu, 09 Jun 2016, John Stultz wrote:

> Wire up the powerkey driver functionality for the hi655x PMIC.
> 
> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> Cc: Rob Herring <robh+dt@kernel.org>
> Cc: Lee Jones <lee.jones@linaro.org>
> Cc: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
> Cc: Feng Chen <puck.chen@hisilicon.com>
> Cc: Wei Xu <xuwei5@hisilicon.com>
> Cc: Guodong Xu <guodong.xu@linaro.org>
> Signed-off-by: John Stultz <john.stultz@linaro.org>
> ---
>  drivers/mfd/hi655x-pmic.c | 37 ++++++++++++++++++++++++++++++++-----
>  1 file changed, 32 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/mfd/hi655x-pmic.c b/drivers/mfd/hi655x-pmic.c
> index 68ab370..f3f6bfe2 100644
> --- a/drivers/mfd/hi655x-pmic.c
> +++ b/drivers/mfd/hi655x-pmic.c
> @@ -24,10 +24,6 @@
>  #include <linux/platform_device.h>
>  #include <linux/regmap.h>
>  
> -static const struct mfd_cell hi655x_pmic_devs[] = {
> -	{ .name = "hi655x-regulator", },
> -};
> -
>  static const struct regmap_irq hi655x_irqs[] = {
>  	{ .reg_offset = 0, .mask = OTMP_D1R_INT },
>  	{ .reg_offset = 0, .mask = VSYS_2P5_R_INT },
> @@ -56,6 +52,36 @@ static struct regmap_config hi655x_regmap_config = {
>  	.max_register = HI655X_BUS_ADDR(0xFFF),
>  };
>  
> +static struct resource pwrkey_resources[] = {
> +	{
> +		.name	= "down",
> +		.start	= 6,
> +		.end	= 6,
> +		.flags	= IORESOURCE_IRQ,
> +	}, {
> +		.name	= "up",
> +		.start	= 5,
> +		.end	= 5,
> +		.flags	= IORESOURCE_IRQ,
> +	}, {
> +		.name	= "hold 4s",
> +		.start	= 4,
> +		.end	= 4,
> +		.flags	= IORESOURCE_IRQ,
> +	},
> +};

No idea what 4, 5 and 6 mean.  Please define them.

> +static const struct mfd_cell hi655x_pmic_devs[] = {
> +	{
> +		.name		= "hi655x-regulator",
> +	},
> +	{
> +		.name		= "hi65xx-powerkey",
> +		.num_resources	= ARRAY_SIZE(pwrkey_resources),
> +		.resources	= &pwrkey_resources[0],
> +	},
> +};

Nit: Place the -regulator entry at the bottom and turn it into a one
liner:

	{ .name		= "hi655x-regulator", },


>  static void hi655x_local_irq_clear(struct regmap *map)
>  {
>  	int i;
> @@ -124,7 +150,8 @@ static int hi655x_pmic_probe(struct platform_device *pdev)
>  	platform_set_drvdata(pdev, pmic);
>  
>  	ret = mfd_add_devices(dev, PLATFORM_DEVID_AUTO, hi655x_pmic_devs,
> -			      ARRAY_SIZE(hi655x_pmic_devs), NULL, 0, NULL);
> +			      ARRAY_SIZE(hi655x_pmic_devs), NULL, 0,
> +			      regmap_irq_get_domain(pmic->irq_data));
>  	if (ret) {
>  		dev_err(dev, "Failed to register device %d\n", ret);
>  		regmap_del_irq_chip(gpio_to_irq(pmic->gpio), pmic->irq_data);

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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[PATCH 3/3] mfd: hi655x-pmic: Add powerkey device to hi655x PMIC driver John Stultz <john.stultz@linaro.org> - 2016-06-10 07:40 +0200
  Re: [PATCH 3/3] mfd: hi655x-pmic: Add powerkey device to hi655x PMIC driver John Stultz <john.stultz@linaro.org> - 2016-06-10 09:40 +0200
  Re: [PATCH 3/3] mfd: hi655x-pmic: Add powerkey device to hi655x PMIC  driver Lee Jones <lee.jones@linaro.org> - 2016-06-10 09:40 +0200

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