linux-kernel - [PATCH 2/3] mfd: twl6040: Move register patching earlier in probe

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Date:	Thu, 27 Feb 2014 15:56:49 +0200
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	Lee Jones <lee.jones@...aro.org>
CC:	<florian.vaussard@...l.ch>, <linux-kernel@...r.kernel.org>,
	<linux-omap@...r.kernel.org>, Samuel Ortiz <sameo@...ux.intel.com>
Subject: [PATCH 2/3] mfd: twl6040: Move register patching earlier in probe

Make sure that we patch the ACCCTL register as the first thing when the
driver loads, thus configuring I2C fast mode and i2c access for dual access
registers.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
 drivers/mfd/twl6040.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c
index 2c308750f40f..693d547db1de 100644
--- a/drivers/mfd/twl6040.c
+++ b/drivers/mfd/twl6040.c
@@ -665,6 +665,10 @@ static int twl6040_probe(struct i2c_client *client,
 	mutex_init(&twl6040->mutex);
 	init_completion(&twl6040->ready);
 
+	regmap_register_patch(twl6040->regmap, twl6040_patch,
+			      ARRAY_SIZE(twl6040_patch));
+
+
 	twl6040->rev = twl6040_reg_read(twl6040, TWL6040_REG_ASICREV);
 	if (twl6040->rev < 0) {
 		dev_err(&client->dev, "Failed to read revision register: %d\n",
@@ -712,10 +716,6 @@ static int twl6040_probe(struct i2c_client *client,
 		goto readyirq_err;
 	}
 
-	/* dual-access registers controlled by I2C only */
-	regmap_register_patch(twl6040->regmap, twl6040_patch,
-			      ARRAY_SIZE(twl6040_patch));
-
 	/*
 	 * The main functionality of twl6040 to provide audio on OMAP4+ systems.
 	 * We can add the ASoC codec child whenever this driver has been loaded.
-- 
1.9.0

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