Tegra doesn't have irq_to_gpio() any more, and ak8975 is included in
tegra_defconfig. This causes a build failure.

Instead, obtain the GPIO ID corresponding to the chip's IRQ from the new
i2c_client field irq_gpio.

Signed-off-by: Stephen Warren <swar...@nvidia.com>
---
 drivers/staging/iio/magnetometer/ak8975.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/iio/magnetometer/ak8975.c 
b/drivers/staging/iio/magnetometer/ak8975.c
index a17fa9f..14076da 100644
--- a/drivers/staging/iio/magnetometer/ak8975.c
+++ b/drivers/staging/iio/magnetometer/ak8975.c
@@ -477,7 +477,7 @@ static int ak8975_probe(struct i2c_client *client,
        int err;
 
        /* Grab and set up the supplied GPIO. */
-       eoc_gpio = irq_to_gpio(client->irq);
+       eoc_gpio = client->irq_gpio;
 
        /* 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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