diff options
Diffstat (limited to 'src/jtag')
| -rw-r--r-- | src/jtag/drivers/sysfsgpio.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/src/jtag/drivers/sysfsgpio.c b/src/jtag/drivers/sysfsgpio.c index 283ec44..f77371c 100644 --- a/src/jtag/drivers/sysfsgpio.c +++ b/src/jtag/drivers/sysfsgpio.c @@ -475,14 +475,18 @@ static int sysfsgpio_init(void) goto out_error; /* assume active low*/ - trst_fd = setup_sysfs_gpio(trst_gpio, 1, 1); - if (trst_gpio > 0 && trst_fd < 0) - goto out_error; + if (trst_gpio > 0) { + trst_fd = setup_sysfs_gpio(trst_gpio, 1, 1); + if (trst_fd < 0) + goto out_error; + } /* assume active low*/ - srst_fd = setup_sysfs_gpio(srst_gpio, 1, 1); - if (srst_gpio > 0 && srst_fd < 0) - goto out_error; + if (srst_gpio > 0) { + srst_fd = setup_sysfs_gpio(srst_gpio, 1, 1); + if (srst_fd < 0) + goto out_error; + } return ERROR_OK; |