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authorEzequiel Garcia <ezequiel@collabora.com>2019-08-15 19:48:02 +0300
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-08-26 16:49:12 +0300
commit7c795df5f344482c2ab8c52ebc1d94302d2b9082 (patch)
tree64c52564f84b8a4e964bd780d1f03c89bd11a626 /drivers/media/v4l2-core/v4l2-common.c
parentff35213fda9e2c6ba38979229b42d49dafc6e7d9 (diff)
downloadlinux-7c795df5f344482c2ab8c52ebc1d94302d2b9082.tar.xz
media: v4l2-core: move spi helpers out of v4l2-common.c
Separate the spi helpers to v4l2-spi.c, in order to get rid of the ifdefery. No functional changes intended, this is just a cosmetic change to organize the code better. Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-common.c')
-rw-r--r--drivers/media/v4l2-core/v4l2-common.c65
1 files changed, 0 insertions, 65 deletions
diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c
index 5cbb51864fbb..8ffa758d9342 100644
--- a/drivers/media/v4l2-core/v4l2-common.c
+++ b/drivers/media/v4l2-core/v4l2-common.c
@@ -41,9 +41,6 @@
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/i2c.h>
-#if defined(CONFIG_SPI)
-#include <linux/spi/spi.h>
-#endif
#include <linux/uaccess.h>
#include <asm/pgtable.h>
#include <asm/io.h>
@@ -235,68 +232,6 @@ EXPORT_SYMBOL_GPL(v4l2_i2c_tuner_addrs);
#endif /* defined(CONFIG_I2C) */
-#if defined(CONFIG_SPI)
-
-/* Load an spi sub-device. */
-
-void v4l2_spi_subdev_init(struct v4l2_subdev *sd, struct spi_device *spi,
- const struct v4l2_subdev_ops *ops)
-{
- v4l2_subdev_init(sd, ops);
- sd->flags |= V4L2_SUBDEV_FL_IS_SPI;
- /* the owner is the same as the spi_device's driver owner */
- sd->owner = spi->dev.driver->owner;
- sd->dev = &spi->dev;
- /* spi_device and v4l2_subdev point to one another */
- v4l2_set_subdevdata(sd, spi);
- spi_set_drvdata(spi, sd);
- /* initialize name */
- snprintf(sd->name, sizeof(sd->name), "%s %s",
- spi->dev.driver->name, dev_name(&spi->dev));
-}
-EXPORT_SYMBOL_GPL(v4l2_spi_subdev_init);
-
-struct v4l2_subdev *v4l2_spi_new_subdev(struct v4l2_device *v4l2_dev,
- struct spi_master *master, struct spi_board_info *info)
-{
- struct v4l2_subdev *sd = NULL;
- struct spi_device *spi = NULL;
-
- BUG_ON(!v4l2_dev);
-
- if (info->modalias[0])
- request_module(info->modalias);
-
- spi = spi_new_device(master, info);
-
- if (spi == NULL || spi->dev.driver == NULL)
- goto error;
-
- if (!try_module_get(spi->dev.driver->owner))
- goto error;
-
- sd = spi_get_drvdata(spi);
-
- /* Register with the v4l2_device which increases the module's
- use count as well. */
- if (v4l2_device_register_subdev(v4l2_dev, sd))
- sd = NULL;
-
- /* Decrease the module use count to match the first try_module_get. */
- module_put(spi->dev.driver->owner);
-
-error:
- /* If we have a client but no subdev, then something went wrong and
- we must unregister the client. */
- if (!sd)
- spi_unregister_device(spi);
-
- return sd;
-}
-EXPORT_SYMBOL_GPL(v4l2_spi_new_subdev);
-
-#endif /* defined(CONFIG_SPI) */
-
/* Clamp x to be between min and max, aligned to a multiple of 2^align. min
* and max don't have to be aligned, but there must be at least one valid
* value. E.g., min=17,max=31,align=4 is not allowed as there are no multiples