diff options
| author | Alan Tull <atull@opensource.altera.com> | 2017-03-23 19:34:27 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-08 17:45:28 +0200 |
| commit | 42d5ec954719917e2b7a9160fe05d2316eece5bf (patch) | |
| tree | 19088b3704312ff5f8f6b4e2790e3963ebb2d4da | |
| parent | 061c97d13f1a69c0edcab4dc6e97788e5bf3230f (diff) | |
fpga: add config complete timeout
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@opensource.altera.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/fpga/fpga-region.c | 3 | ||||
| -rw-r--r-- | include/linux/fpga/fpga-mgr.h | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/fpga/fpga-region.c b/drivers/fpga/fpga-region.c index 2fe2a52c66ca..ae4c61aada99 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 e2ef94fd37af..b4ac24c4411d 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; }; /** |