diff options
| -rw-r--r-- | drivers/fpga/xilinx-spi.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/fpga/xilinx-spi.c b/drivers/fpga/xilinx-spi.c index 52aab5a1f0ba..824abbbd631e 100644 --- a/drivers/fpga/xilinx-spi.c +++ b/drivers/fpga/xilinx-spi.c @@ -195,7 +195,21 @@ static int xilinx_spi_write_complete(struct fpga_manager *mgr, return 0; } - dev_err(&mgr->dev, "Timeout after config data transfer\n"); + if (conf->init_b) { + ret = gpiod_get_value(conf->init_b); + + if (ret < 0) { + dev_err(&mgr->dev, "Error reading INIT_B (%d)\n", ret); + return ret; + } + + dev_err(&mgr->dev, + ret ? "CRC error or invalid device\n" + : "Missing sync word or incomplete bitstream\n"); + } else { + dev_err(&mgr->dev, "Timeout after config data transfer\n"); + } + return -ETIMEDOUT; } |