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fpga: region: add fpga-region.h header

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* Create fpga-region.h.
* Export fpga_region_program_fpga.
* Move struct fpga_region and other things to the header.

This is a step in separating FPGA region common code
from Device Tree support.

Signed-off-by: Alan Tull <atull@kernel.org>
Acked-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alan Tull 2017-11-15 14:20:21 -06:00 committed by Greg Kroah-Hartman
parent c8898eda81
commit 59460a9305
2 changed files with 32 additions and 20 deletions
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24
drivers/fpga/fpga-region.c
View File

@ -18,6 +18,7 @@
#include <linux/fpga/fpga-bridge.h>
#include <linux/fpga/fpga-mgr.h>
#include <linux/fpga/fpga-region.h>
#include <linux/idr.h>
#include <linux/kernel.h>
#include <linux/list.h>
@ -26,24 +27,6 @@
#include <linux/slab.h>
#include <linux/spinlock.h>
/**
* struct fpga_region - FPGA Region structure
* @dev: FPGA Region device
* @mutex: enforces exclusive reference to region
* @bridge_list: list of FPGA bridges specified in region
* @mgr: FPGA manager
* @info: fpga image specific information
*/
struct fpga_region {
struct device dev;
struct mutex mutex; /* for exclusive reference to region */
struct list_head bridge_list;
struct fpga_manager *mgr;
struct fpga_image_info *info;
};
#define to_fpga_region(d) container_of(d, struct fpga_region, dev)
static DEFINE_IDA(fpga_region_ida);
static struct class *fpga_region_class;
@ -226,7 +209,7 @@ static int fpga_region_get_bridges(struct fpga_region *region,
* Program an FPGA using fpga image info (region->info).
* Return 0 for success or negative error code.
*/
static int fpga_region_program_fpga(struct fpga_region *region)
int fpga_region_program_fpga(struct fpga_region *region)
{
struct device *dev = &region->dev;
struct fpga_image_info *info = region->info;
@ -282,6 +265,7 @@ err_put_region:
return ret;
}
EXPORT_SYMBOL_GPL(fpga_region_program_fpga);
/**
* child_regions_with_firmware
@ -667,5 +651,5 @@ subsys_initcall(fpga_region_init);
module_exit(fpga_region_exit);
MODULE_DESCRIPTION("FPGA Region");
MODULE_AUTHOR("Alan Tull <atull@opensource.altera.com>");
MODULE_AUTHOR("Alan Tull <atull@kernel.org>");
MODULE_LICENSE("GPL v2");

28
include/linux/fpga/fpga-region.h Normal file
View File

@ -0,0 +1,28 @@
#ifndef _FPGA_REGION_H
#define _FPGA_REGION_H
#include <linux/device.h>
#include <linux/fpga/fpga-mgr.h>
#include <linux/fpga/fpga-bridge.h>
/**
* struct fpga_region - FPGA Region structure
* @dev: FPGA Region device
* @mutex: enforces exclusive reference to region
* @bridge_list: list of FPGA bridges specified in region
* @mgr: FPGA manager
* @info: FPGA image info
*/
struct fpga_region {
struct device dev;
struct mutex mutex; /* for exclusive reference to region */
struct list_head bridge_list;
struct fpga_manager *mgr;
struct fpga_image_info *info;
};
#define to_fpga_region(d) container_of(d, struct fpga_region, dev)
int fpga_region_program_fpga(struct fpga_region *region);
#endif /* _FPGA_REGION_H */