From: Alan Tull <atull@xxxxxxxxxxxxxxxxxxxxx>
Adding timeout for maximum allowed time for FPGA to go to
operating mode after a FPGA region has been programmed.
Signed-off-by: Alan Tull <atull@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/fpga/fpga-region.c | 3 +++
include/linux/fpga/fpga-mgr.h | 3 +++
2 files changed, 6 insertions(+)
diff --git a/drivers/fpga/fpga-region.c b/drivers/fpga/fpga-region.c
index 2fe2a52..ae4c61a 100644
--- a/drivers/fpga/fpga-region.c
+++ b/drivers/fpga/fpga-region.c
@@ -385,6 +385,9 @@ static int fpga_region_notify_pre_apply(struct fpga_region *region,
of_property_read_u32(nd->overlay, "region-freeze-timeout-us",
&info->disable_timeout_us);
+ of_property_read_u32(nd->overlay, "config-complete-timeout-us",
+ &info->config_complete_timeout_us);
+
/* If FPGA was externally programmed, don't specify firmware */
if ((info->flags & FPGA_MGR_EXTERNAL_CONFIG) && firmware_name) {
pr_err("error: specified firmware and external-fpga-config");
diff --git a/include/linux/fpga/fpga-mgr.h b/include/linux/fpga/fpga-mgr.h
index e2ef94f..b4ac24c 100644
--- a/include/linux/fpga/fpga-mgr.h
+++ b/include/linux/fpga/fpga-mgr.h
@@ -77,11 +77,14 @@ enum fpga_mgr_states {
* @flags: boolean flags as defined above
* @enable_timeout_us: maximum time to enable traffic through bridge (uSec)
* @disable_timeout_us: maximum time to disable traffic through bridge (uSec)
+ * @config_complete_timeout_us: maximum time for FPGA to switch to operating
+ * status in the write_complete op.
*/
struct fpga_image_info {
u32 flags;
u32 enable_timeout_us;
u32 disable_timeout_us;
+ u32 config_complete_timeout_us;
};
/**
--
2.7.4
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