linux-kernel - [PATCH 1/3] mfd: intel_soc_pmic: Move PMIC interrupt comment to probe function

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Message-Id: <1423832475-5803-1-git-send-email-jarkko.nikula@linux.intel.com>
Date:	Fri, 13 Feb 2015 15:01:13 +0200
From:	Jarkko Nikula <jarkko.nikula@...ux.intel.com>
To:	linux-kernel@...r.kernel.org
Cc:	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>, <lejun.zhu@...ux.intel.com>,
	<bin.yang@...el.com>, Jarkko Nikula <jarkko.nikula@...ux.intel.com>
Subject: [PATCH 1/3] mfd: intel_soc_pmic: Move PMIC interrupt comment to probe function

intel_soc_pmic_find_gpio_irq() tries to find a GPIO interrupt but doesn't
select between it or I2C interrupt so it makes more sense to move this
comment to intel_soc_pmic_i2c_probe() with minor edits.

Signed-off-by: Jarkko Nikula <jarkko.nikula@...ux.intel.com>
---
 drivers/mfd/intel_soc_pmic_core.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/mfd/intel_soc_pmic_core.c b/drivers/mfd/intel_soc_pmic_core.c
index df7b0642a5b4..08c8e3dafaf5 100644
--- a/drivers/mfd/intel_soc_pmic_core.c
+++ b/drivers/mfd/intel_soc_pmic_core.c
@@ -26,11 +26,6 @@
 #include <linux/mfd/intel_soc_pmic.h>
 #include "intel_soc_pmic_core.h"
 
-/*
- * On some boards the PMIC interrupt may come from a GPIO line.
- * Try to lookup the ACPI table and see if such connection exists. If not,
- * return -ENOENT and use the IRQ provided by I2C.
- */
 static int intel_soc_pmic_find_gpio_irq(struct device *dev)
 {
 	struct gpio_desc *desc;
@@ -68,6 +63,11 @@ static int intel_soc_pmic_i2c_probe(struct i2c_client *i2c,
 
 	pmic->regmap = devm_regmap_init_i2c(i2c, config->regmap_config);
 
+	/*
+	 * On some boards the PMIC interrupt may come from a GPIO line. Try to
+	 * lookup the ACPI table for a such connection and setup a GPIO
+	 * interrupt if it exists. Otherwise use the IRQ provided by I2C
+	 */
 	irq = intel_soc_pmic_find_gpio_irq(dev);
 	pmic->irq = (irq < 0) ? i2c->irq : irq;
 
-- 
2.1.4

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