linux-kernel - Re: [PATCH 1/3] mfd: max77693: Initialize haptic register map

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Date:	Thu, 4 Sep 2014 11:31:21 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Jaewon Kim <jaewon02.kim@...sung.com>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
	Chanwoo Choi <cw00.choi@...sung.com>
Subject: Re: [PATCH 1/3] mfd: max77693: Initialize haptic register map

On Thu, 04 Sep 2014, Jaewon Kim wrote:

> 
> 2014년 09월 04일 18:06에 Lee Jones 이(가) 쓴 글:
> >On Mon, 01 Sep 2014, Jaewon Kim wrote:
> >
> >>This patch add regmap_haptic initialization to use haptic register map
> >>in haptic device driver.
> >>
> >>Signed-off-by: Jaewon Kim <jaewon02.kim@...sung.com>
> >>Acked-by: Chanwoo Choi <cw00.choi@...sung.com>
> >>---
> >>  drivers/mfd/max77693.c |   21 ++++++++++++++++++---
> >>  1 file changed, 18 insertions(+), 3 deletions(-)
> >Acked-by: Lee Jones <lee.jones@...aro.org>
> >
> >Can this patch go in without the Input one?
> 
> Yes. There is no problem without Input driver patch.

Once you've split the Documentation patch, I will take them all.

> >>diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c
> >>index 249c139..fbfed56 100644
> >>--- a/drivers/mfd/max77693.c
> >>+++ b/drivers/mfd/max77693.c
> >>@@ -144,6 +144,12 @@ static const struct regmap_irq_chip max77693_muic_irq_chip = {
> >>  	.num_irqs		= ARRAY_SIZE(max77693_muic_irqs),
> >>  };
> >>
> >>+static const struct regmap_config max77693_regmap_haptic_config = {
> >>+	.reg_bits = 8,
> >>+	.val_bits = 8,
> >>+	.max_register = MAX77693_HAPTIC_REG_END,
> >>+};
> >>+
> >>  static int max77693_i2c_probe(struct i2c_client *i2c,
> >>  			      const struct i2c_device_id *id)
> >>  {
> >>@@ -193,6 +199,15 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
> >>  	}
> >>  	i2c_set_clientdata(max77693->haptic, max77693);
> >>
> >>+	max77693->regmap_haptic = devm_regmap_init_i2c(max77693->haptic,
> >>+					&max77693_regmap_haptic_config);
> >>+	if (IS_ERR(max77693->regmap_haptic)) {
> >>+		ret = PTR_ERR(max77693->regmap_haptic);
> >>+		dev_err(max77693->dev,
> >>+			"failed to initialize haptic register map: %d\n", ret);
> >>+		goto err_regmap;
> >>+	}
> >>+
> >>  	/*
> >>  	 * Initialize register map for MUIC device because use regmap-muic
> >>  	 * instance of MUIC device when irq of max77693 is initialized
> >>@@ -204,7 +219,7 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
> >>  		ret = PTR_ERR(max77693->regmap_muic);
> >>  		dev_err(max77693->dev,
> >>  			"failed to allocate register map: %d\n", ret);
> >>-		goto err_regmap_muic;
> >>+		goto err_regmap;
> >>  	}
> >>
> >>  	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
> >>@@ -214,7 +229,7 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
> >>  				&max77693->irq_data_led);
> >>  	if (ret) {
> >>  		dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
> >>-		goto err_regmap_muic;
> >>+		goto err_regmap;
> >>  	}
> >>
> >>  	ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
> >>@@ -265,7 +280,7 @@ err_irq_charger:
> >>  	regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
> >>  err_irq_topsys:
> >>  	regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);
> >>-err_regmap_muic:
> >>+err_regmap:
> >>  	i2c_unregister_device(max77693->haptic);
> >>  err_i2c_haptic:
> >>  	i2c_unregister_device(max77693->muic);
> 

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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