linux-kernel - [PATCH 1/3] staging:iio:magnetometer:ak8975 use platform

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Date:	Mon, 19 Sep 2011 15:57:30 -0600
From:	Stephen Warren <swarren@...dia.com>
To:	Greg Kroah-Hartman <gregkh@...e.de>,
	Jonathan Cameron <jic23@....ac.uk>,
	Arnd Bergmann <arnd@...db.de>
Cc:	Andrew Chew <achew@...dia.com>, linux-iio@...r.kernel.org,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	linux-tegra@...r.kernel.org, Jonathan Cameron <jic23@....ac.uk>,
	Stephen Warren <swarren@...dia.com>
Subject: [PATCH 1/3] staging:iio:magnetometer:ak8975 use platform_data to pass the gpio number.

From: Jonathan Cameron <jic23@....ac.uk>

Tegra doesn't have irq_to_gpio() any more, and ak8975 is included in
tegra_defconfig. This causes a build failure. Instead, pass the GPIO name
through platform data.

[swarren: Rewrote commit description when I squashed this with my patch
to remove the irq_to_gpio() call]

Signed-off-by: Jonathan Cameron <jic23@....ac.uk>
Signed-off-by: Stephen Warren <swarren@...dia.com>
---
 drivers/staging/iio/magnetometer/ak8975.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/iio/magnetometer/ak8975.c b/drivers/staging/iio/magnetometer/ak8975.c
index a17fa9f..6d17ae5 100644
--- a/drivers/staging/iio/magnetometer/ak8975.c
+++ b/drivers/staging/iio/magnetometer/ak8975.c
@@ -477,7 +477,10 @@ static int ak8975_probe(struct i2c_client *client,
 	int err;
 
 	/* Grab and set up the supplied GPIO. */
-	eoc_gpio = irq_to_gpio(client->irq);
+	if (client->dev.platform_data == NULL)
+		eoc_gpio = -1;
+	else
+		eoc_gpio = *(int *)(client->dev.platform_data);
 
 	/* We may not have a GPIO based IRQ to scan, that is fine, we will
 	   poll if so */
-- 
1.7.0.4

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