diff options
Diffstat (limited to 'drivers/tty/bfin_jtag_comm.c')
-rw-r--r-- | drivers/tty/bfin_jtag_comm.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/tty/bfin_jtag_comm.c b/drivers/tty/bfin_jtag_comm.c index 02b7d3a09696..a93a424873fa 100644 --- a/drivers/tty/bfin_jtag_comm.c +++ b/drivers/tty/bfin_jtag_comm.c @@ -95,18 +95,16 @@ bfin_jc_emudat_manager(void *arg) /* if incoming data is ready, eat it */ if (bfin_read_DBGSTAT() & EMUDIF) { - if (tty != NULL) { - uint32_t emudat = bfin_read_emudat(); - if (inbound_len == 0) { - pr_debug("incoming length: 0x%08x\n", emudat); - inbound_len = emudat; - } else { - size_t num_chars = (4 <= inbound_len ? 4 : inbound_len); - pr_debug(" incoming data: 0x%08x (pushing %zu)\n", emudat, num_chars); - inbound_len -= num_chars; - tty_insert_flip_string(tty, (unsigned char *)&emudat, num_chars); - tty_flip_buffer_push(tty); - } + uint32_t emudat = bfin_read_emudat(); + if (inbound_len == 0) { + pr_debug("incoming length: 0x%08x\n", emudat); + inbound_len = emudat; + } else { + size_t num_chars = (4 <= inbound_len ? 4 : inbound_len); + pr_debug(" incoming data: 0x%08x (pushing %zu)\n", emudat, num_chars); + inbound_len -= num_chars; + tty_insert_flip_string(&port, (unsigned char *)&emudat, num_chars); + tty_flip_buffer_push(&port); } } @@ -240,8 +238,6 @@ static int __init bfin_jc_init(void) { int ret; - tty_port_init(&port); - bfin_jc_kthread = kthread_create(bfin_jc_emudat_manager, NULL, DRV_NAME); if (IS_ERR(bfin_jc_kthread)) return PTR_ERR(bfin_jc_kthread); @@ -257,6 +253,8 @@ static int __init bfin_jc_init(void) if (!bfin_jc_driver) goto err_driver; + tty_port_init(&port); + bfin_jc_driver->driver_name = DRV_NAME; bfin_jc_driver->name = DEV_NAME; bfin_jc_driver->type = TTY_DRIVER_TYPE_SERIAL; @@ -274,6 +272,7 @@ static int __init bfin_jc_init(void) return 0; err: + tty_port_destroy(&port); put_tty_driver(bfin_jc_driver); err_driver: kfree(bfin_jc_write_buf.buf); @@ -289,6 +288,7 @@ static void __exit bfin_jc_exit(void) kfree(bfin_jc_write_buf.buf); tty_unregister_driver(bfin_jc_driver); put_tty_driver(bfin_jc_driver); + tty_port_destroy(&port); } module_exit(bfin_jc_exit); |