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From: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
To: jic23@kernel.org
Cc: linux-iio@vger.kernel.org, dan.carpenter@oracle.com,
	Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Subject: [PATCH] iio: ak8975: Fix issue with the name
Date: Tue, 29 Apr 2014 08:44:34 -0700	[thread overview]
Message-ID: <1398786274-24868-1-git-send-email-srinivas.pandruvada@linux.intel.com> (raw)

Fixing issue caused by clash of two patches, one adding a name with
the acpi enumeration patch.

54ab3e24 Beomho Seo          2014-04-02 @572  	indio_dev->name = id->name;
d913971e Srinivas Pandruvada 2014-03-19  574  	indio_dev->name = name;

The name added by commit 54ab3e24 is not required as this is already
added by taking care of case where id is NULL.

Datailed warning 0-DAY kernel build testing backend:
vers/iio/magnetometer/ak8975.c:572 ak8975_probe() error: we previously assumed 'id' could be null (see line 546)

git remote add iio git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git
git remote update iio
git checkout d913971ecaf31d7d5a6836224b669e1972469445
vim +/id +572 drivers/iio/magnetometer/ak8975.c

94a6d5cf drivers/iio/magnetometer/ak8975.c         Jacek Anaszewski    2013-05-07  540
94a6d5cf drivers/iio/magnetometer/ak8975.c         Jacek Anaszewski    2013-05-07  541  	data->client = client;
94a6d5cf drivers/iio/magnetometer/ak8975.c         Jacek Anaszewski    2013-05-07  542  	data->eoc_gpio = eoc_gpio;
94a6d5cf drivers/iio/magnetometer/ak8975.c         Jacek Anaszewski    2013-05-07  543  	data->eoc_irq = 0;
94a6d5cf drivers/iio/magnetometer/ak8975.c         Jacek Anaszewski    2013-05-07  544
d913971e drivers/iio/magnetometer/ak8975.c         Srinivas Pandruvada 2014-03-19  545  	/* id will be NULL when enumerated via ACPI */
d913971e drivers/iio/magnetometer/ak8975.c         Srinivas Pandruvada 2014-03-19 @546  	if (id) {
d913971e drivers/iio/magnetometer/ak8975.c         Srinivas Pandruvada 2014-03-19  547  		data->chipset =
d913971e drivers/iio/magnetometer/ak8975.c         Srinivas Pandruvada 2014-03-19  548  			(enum asahi_compass_chipset)(id->driver_data);
d913971e drivers/iio/magnetometer/ak8975.c         Srinivas Pandruvada 2014-03-19  549  		name = (char *) id->name;
d913971e drivers/iio/magnetometer/ak8975.c         Srinivas Pandruvada 2014-03-19  550  	} else if (ACPI_HANDLE(&client->dev))
d913971e drivers/iio/magnetometer/ak8975.c         Srinivas Pandruvada 2014-03-19  551  		name = ak8975_match_acpi_device(&client->dev, &data->chipset);
d913971e drivers/iio/magnetometer/ak8975.c         Srinivas Pandruvada 2014-03-19  552  	else {
d913971e drivers/iio/magnetometer/ak8975.c         Srinivas Pandruvada 2014-03-19  553  		err = -ENOSYS;
d913971e drivers/iio/magnetometer/ak8975.c         Srinivas Pandruvada 2014-03-19  554  		goto exit_free_iio;
d913971e drivers/iio/magnetometer/ak8975.c         Srinivas Pandruvada 2014-03-19  555  	}
d913971e drivers/iio/magnetometer/ak8975.c         Srinivas Pandruvada 2014-03-19  556  	dev_dbg(&client->dev, "Asahi compass chip %s\n", name);
6027c077 drivers/iio/magnetometer/ak8975.c         Srinivas Pandruvada 2014-03-19  557
3285aae1 drivers/staging/iio/magnetometer/ak8975.c Andrew Chew         2010-09-08  558  	/* Perform some basic start-of-day setup of the device. */
3285aae1 drivers/staging/iio/magnetometer/ak8975.c Andrew Chew         2010-09-08  559  	err = ak8975_setup(client);
3285aae1 drivers/staging/iio/magnetometer/ak8975.c Andrew Chew         2010-09-08  560  	if (err < 0) {
3285aae1 drivers/staging/iio/magnetometer/ak8975.c Andrew Chew         2010-09-08  561  		dev_err(&client->dev, "AK8975 initialization fails\n");
ad31d250 drivers/staging/iio/magnetometer/ak8975.c Stephen Warren      2011-09-21  562  		goto exit_free_iio;
3285aae1 drivers/staging/iio/magnetometer/ak8975.c Andrew Chew         2010-09-08  563  	}
3285aae1 drivers/staging/iio/magnetometer/ak8975.c Andrew Chew         2010-09-08  564
338473c8 drivers/staging/iio/magnetometer/ak8975.c Jonathan Cameron    2011-06-27  565  	data->client = client;
338473c8 drivers/staging/iio/magnetometer/ak8975.c Jonathan Cameron    2011-06-27  566  	mutex_init(&data->lock);
338473c8 drivers/staging/iio/magnetometer/ak8975.c Jonathan Cameron    2011-06-27  567  	data->eoc_gpio = eoc_gpio;
338473c8 drivers/staging/iio/magnetometer/ak8975.c Jonathan Cameron    2011-06-27  568  	indio_dev->dev.parent = &client->dev;
694e1b5f drivers/staging/iio/magnetometer/ak8975.c Jonathan Cameron    2011-08-12  569  	indio_dev->channels = ak8975_channels;
694e1b5f drivers/staging/iio/magnetometer/ak8975.c Jonathan Cameron    2011-08-12  570  	indio_dev->num_channels = ARRAY_SIZE(ak8975_channels);
338473c8 drivers/staging/iio/magnetometer/ak8975.c Jonathan Cameron    2011-06-27  571  	indio_dev->info = &ak8975_info;
54ab3e24 drivers/iio/magnetometer/ak8975.c         Beomho Seo          2014-04-02 @572  	indio_dev->name = id->name;
338473c8 drivers/staging/iio/magnetometer/ak8975.c Jonathan Cameron    2011-06-27  573  	indio_dev->modes = INDIO_DIRECT_MODE;
d913971e drivers/iio/magnetometer/ak8975.c         Srinivas Pandruvada 2014-03-19  574  	indio_dev->name = name;
338473c8 drivers/staging/iio/magnetometer/ak8975.c Jonathan Cameron    2011-06-27  575  	err = iio_device_register(indio_dev);

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
---
 drivers/iio/magnetometer/ak8975.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index f5c1d41..09ea5c4 100644
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -569,7 +569,6 @@ static int ak8975_probe(struct i2c_client *client,
 	indio_dev->channels = ak8975_channels;
 	indio_dev->num_channels = ARRAY_SIZE(ak8975_channels);
 	indio_dev->info = &ak8975_info;
-	indio_dev->name = id->name;
 	indio_dev->modes = INDIO_DIRECT_MODE;
 	indio_dev->name = name;
 	err = iio_device_register(indio_dev);
-- 
1.7.11.7


             reply	other threads:[~2014-04-29 15:56 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-29 15:44 Srinivas Pandruvada [this message]
2014-05-03 11:03 ` [PATCH] iio: ak8975: Fix issue with the name Jonathan Cameron

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