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-rw-r--r--drivers/fpga/fpga-region.c16
-rw-r--r--include/linux/fpga/fpga-mgr.h4
2 files changed, 13 insertions, 7 deletions
diff --git a/drivers/fpga/fpga-region.c b/drivers/fpga/fpga-region.c
index 35af952a889a..eaacf5049381 100644
--- a/drivers/fpga/fpga-region.c
+++ b/drivers/fpga/fpga-region.c
@@ -223,14 +223,13 @@ static int fpga_region_get_bridges(struct fpga_region *region,
/**
* fpga_region_program_fpga - program FPGA
* @region: FPGA region
- * @overlay: device node of the overlay
- * Program an FPGA using information in the region's fpga image info.
+ * 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,
- struct device_node *overlay)
+static int fpga_region_program_fpga(struct fpga_region *region)
{
struct device *dev = &region->dev;
+ struct fpga_image_info *info = region->info;
int ret;
region = fpga_region_get(region);
@@ -245,7 +244,7 @@ static int fpga_region_program_fpga(struct fpga_region *region,
goto err_put_region;
}
- ret = fpga_region_get_bridges(region, overlay);
+ ret = fpga_region_get_bridges(region, info->overlay);
if (ret) {
dev_err(dev, "failed to get FPGA bridges\n");
goto err_unlock_mgr;
@@ -257,7 +256,7 @@ static int fpga_region_program_fpga(struct fpga_region *region,
goto err_put_br;
}
- ret = fpga_mgr_load(region->mgr, region->info);
+ ret = fpga_mgr_load(region->mgr, info);
if (ret) {
dev_err(dev, "failed to load FPGA image\n");
goto err_put_br;
@@ -373,6 +372,8 @@ static int fpga_region_notify_pre_apply(struct fpga_region *region,
if (!info)
return -ENOMEM;
+ info->overlay = nd->overlay;
+
/* Read FPGA region properties from the overlay */
if (of_property_read_bool(nd->overlay, "partial-fpga-config"))
info->flags |= FPGA_MGR_PARTIAL_RECONFIG;
@@ -421,7 +422,8 @@ static int fpga_region_notify_pre_apply(struct fpga_region *region,
}
region->info = info;
- ret = fpga_region_program_fpga(region, nd->overlay);
+
+ ret = fpga_region_program_fpga(region);
if (ret) {
fpga_image_info_free(info);
region->info = NULL;
diff --git a/include/linux/fpga/fpga-mgr.h b/include/linux/fpga/fpga-mgr.h
index cb5615c87504..4fb706bd9aba 100644
--- a/include/linux/fpga/fpga-mgr.h
+++ b/include/linux/fpga/fpga-mgr.h
@@ -89,6 +89,7 @@ enum fpga_mgr_states {
* @buf: contiguous buffer containing FPGA image
* @count: size of buf
* @dev: device that owns this
+ * @overlay: Device Tree overlay
*/
struct fpga_image_info {
u32 flags;
@@ -100,6 +101,9 @@ struct fpga_image_info {
const char *buf;
size_t count;
struct device *dev;
+#ifdef CONFIG_OF
+ struct device_node *overlay;
+#endif
};
/**