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[media] v4l2: blackfin: convert ppi driver to a module

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Other drivers can make use of it.

Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Scott Jiang 2012-11-20 15:49:35 -03:00 • committed by Mauro Carvalho Chehab
parent fe0e990b22
commit fab0e8fa43
3 changed files with 14 additions and 3 deletions
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6
drivers/media/platform/blackfin/Kconfig
View file

@ -2,9 +2,13 @@ config VIDEO_BLACKFIN_CAPTURE
tristate "Blackfin Video Capture Driver" tristate "Blackfin Video Capture Driver"
depends on VIDEO_V4L2 && BLACKFIN && I2C depends on VIDEO_V4L2 && BLACKFIN && I2C
select VIDEOBUF2_DMA_CONTIG select VIDEOBUF2_DMA_CONTIG
select VIDEO_BLACKFIN_PPI
help help
V4L2 bridge driver for Blackfin video capture device. V4L2 bridge driver for Blackfin video capture device.
Choose PPI or EPPI as its interface. Choose PPI or EPPI as its interface.
To compile this driver as a module, choose M here: the To compile this driver as a module, choose M here: the
module will be called bfin_video_capture. module will be called bfin_capture.
config VIDEO_BLACKFIN_PPI
tristate

4
drivers/media/platform/blackfin/Makefile
View file

@ -1,2 +1,2 @@
bfin_video_capture-objs := bfin_capture.o ppi.o obj-$(CONFIG_VIDEO_BLACKFIN_CAPTURE) += bfin_capture.o
obj-$(CONFIG_VIDEO_BLACKFIN_CAPTURE) += bfin_video_capture.o obj-$(CONFIG_VIDEO_BLACKFIN_PPI) += ppi.o

7
drivers/media/platform/blackfin/ppi.c
View file

@ -17,6 +17,7 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
#include <linux/module.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <asm/bfin_ppi.h> #include <asm/bfin_ppi.h>
@ -263,9 +264,15 @@ struct ppi_if *ppi_create_instance(const struct ppi_info *info)
pr_info("ppi probe success\n"); pr_info("ppi probe success\n");
return ppi; return ppi;
} }
EXPORT_SYMBOL(ppi_create_instance);
void ppi_delete_instance(struct ppi_if *ppi) void ppi_delete_instance(struct ppi_if *ppi)
{ {
peripheral_free_list(ppi->info->pin_req); peripheral_free_list(ppi->info->pin_req);
kfree(ppi); kfree(ppi);
} }
EXPORT_SYMBOL(ppi_delete_instance);
MODULE_DESCRIPTION("Analog Devices PPI driver");
MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>");
MODULE_LICENSE("GPL v2");