Thread (6 messages) 6 messages, 3 authors, 2015-03-09
STALE4099d

[PATCH] iio: ak8975: fix AK09911 dependencies

From: jic23@kernel.org (Jonathan Cameron)
Date: 2015-02-04 17:32:31
Also in: linux-iio

On 28/01/15 13:58, Arnd Bergmann wrote:
ak8975 depends on I2C and GPIOLIB, so any symbols that selects
ak8975 must have the same dependency, or we get build errors:

drivers/iio/magnetometer/ak8975.c: In function 'ak8975_who_i_am':
drivers/iio/magnetometer/ak8975.c:393:2: error: implicit declaration of function 'i2c_smbus_read_i2c_block_data' [-Werror=implicit-function-declaration]
  ret = i2c_smbus_read_i2c_block_data(client, AK09912_REG_WIA1,
  ^
drivers/iio/magnetometer/ak8975.c: In function 'ak8975_set_mode':
drivers/iio/magnetometer/ak8975.c:431:2: error: implicit declaration of function 'i2c_smbus_write_byte_data' [-Werror=implicit-function-declaration]
  ret = i2c_smbus_write_byte_data(data->client,

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 57e73a423b1e85 ("iio: ak8975: add ak09911 and ak09912 support")
Sorry, I failed to register this was present in the linux-next tree rather than mainline
where at least the i2c dependency is present).  Given timing, will have to wait until
after the merge windows to send this now (last pull request for the merge has gone
to Greg)

Will fixup in a couple of weeks,

Jonathan
quoted hunk ↗ jump to hunk
---
I found this recent regression doing ARM randconfig builds, please apply
diff --git a/drivers/iio/magnetometer/Kconfig b/drivers/iio/magnetometer/Kconfig
index 4c7a4c52dd06..a5d6de72c523 100644
--- a/drivers/iio/magnetometer/Kconfig
+++ b/drivers/iio/magnetometer/Kconfig
@@ -18,6 +18,8 @@ config AK8975
 
 config AK09911
 	tristate "Asahi Kasei AK09911 3-axis Compass"
+	depends on I2C
+	depends on GPIOLIB
 	select AK8975
 	help
 	  Deprecated: AK09911 is now supported by AK8975 driver.

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