linux-kernel - [PATCH 2/2] mfd: max77693: Set proper maximum register for MUIC regmap

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Date:	Fri, 20 Dec 2013 10:35:08 +0100
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>, linux-kernel@...r.kernel.org
Cc:	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>
Subject: [PATCH 2/2] mfd: max77693: Set proper maximum register for MUIC regmap

The MUIC block in max77693 has different I2C address than PMIC. The
driver allocated two regmaps: for PMIC and MUIC. However it used the
same regmap_config (with max_register field) for both regmaps. Actual
maximum address of register for MUIC is different than for PMIC.

Define another regmap_config for MUIC with proper max_register value.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc: Kyungmin Park <kyungmin.park@...sung.com>
Cc: Marek Szyprowski <m.szyprowski@...sung.com>
---
 drivers/mfd/max77693.c |    8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c
index 9f92463f4f7e..3873a54e16ff 100644
--- a/drivers/mfd/max77693.c
+++ b/drivers/mfd/max77693.c
@@ -107,6 +107,12 @@ static const struct regmap_config max77693_regmap_config = {
 	.max_register = MAX77693_PMIC_REG_END,
 };
 
+static const struct regmap_config max77693_regmap_muic_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.max_register = MAX77693_MUIC_REG_END,
+};
+
 static int max77693_i2c_probe(struct i2c_client *i2c,
 			      const struct i2c_device_id *id)
 {
@@ -153,7 +159,7 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
 	 * before call max77693-muic probe() function.
 	 */
 	max77693->regmap_muic = devm_regmap_init_i2c(max77693->muic,
-					 &max77693_regmap_config);
+					 &max77693_regmap_muic_config);
 	if (IS_ERR(max77693->regmap_muic)) {
 		ret = PTR_ERR(max77693->regmap_muic);
 		dev_err(max77693->dev,
-- 
1.7.9.5

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