diff options
Diffstat (limited to 'sys/dev/ieee488/upd7210.c')
| -rw-r--r-- | sys/dev/ieee488/upd7210.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/sys/dev/ieee488/upd7210.c b/sys/dev/ieee488/upd7210.c index 2c63f2f..b245a65 100644 --- a/sys/dev/ieee488/upd7210.c +++ b/sys/dev/ieee488/upd7210.c @@ -72,7 +72,7 @@ upd7210_rd(struct upd7210 *u, enum upd7210_rreg reg) { u_int r; - r = bus_read_1(u->reg_res[reg], 0); + r = bus_read_1(u->reg_res[reg], u->reg_offset[reg]); u->rreg[reg] = r; return (r); } @@ -81,7 +81,7 @@ void upd7210_wr(struct upd7210 *u, enum upd7210_wreg reg, u_int val) { - bus_write_1(u->reg_res[reg], 0, val); + bus_write_1(u->reg_res[reg], u->reg_offset[reg], val); u->wreg[reg] = val; if (reg == AUXMR) u->wreg[8 + (val >> 5)] = val & 0x1f; @@ -125,7 +125,8 @@ upd7210intr(void *arg) * Some clones apparently don't implement this * feature, but National Instrument cards do. */ - bus_write_1(u->irq_clear_res, 0, 42); + if (u->irq_clear_res != NULL) + bus_write_1(u->irq_clear_res, 0, 42); } mtx_unlock(&u->mutex); } |
