diff options
author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-06-24 12:41:41 (GMT) |
---|---|---|
committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-06-24 17:07:53 (GMT) |
commit | 816724e65c72a90a44fbad0ef0b59b186c85fa90 (patch) | |
tree | 421fa29aedff988e392f92780637553e275d37a0 /drivers/usb/serial/console.c | |
parent | 70ac4385a13f78bc478f26d317511893741b05bd (diff) | |
parent | d384ea691fe4ea8c2dd5b9b8d9042eb181776f18 (diff) | |
download | linux-fsl-qoriq-816724e65c72a90a44fbad0ef0b59b186c85fa90.tar.xz |
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Conflicts:
fs/nfs/inode.c
fs/super.c
Fix conflicts between patch 'NFS: Split fs/nfs/inode.c' and patch
'VFS: Permit filesystem to override root dentry on mount'
Diffstat (limited to 'drivers/usb/serial/console.c')
-rw-r--r-- | drivers/usb/serial/console.c | 56 |
1 files changed, 45 insertions, 11 deletions
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c index 8023bb7..f3404e1 100644 --- a/drivers/usb/serial/console.c +++ b/drivers/usb/serial/console.c @@ -202,7 +202,7 @@ static void usb_console_write(struct console *co, const char *buf, unsigned coun struct usb_serial *serial; int retval = -ENODEV; - if (!port) + if (!port || port->serial->dev->state == USB_STATE_NOTATTACHED) return; serial = port->serial; @@ -213,17 +213,38 @@ static void usb_console_write(struct console *co, const char *buf, unsigned coun if (!port->open_count) { dbg ("%s - port not opened", __FUNCTION__); - goto exit; + return; } - /* pass on to the driver specific version of this function if it is available */ - if (serial->type->write) - retval = serial->type->write(port, buf, count); - else - retval = usb_serial_generic_write(port, buf, count); - -exit: - dbg("%s - return value (if we had one): %d", __FUNCTION__, retval); + while (count) { + unsigned int i; + unsigned int lf; + /* search for LF so we can insert CR if necessary */ + for (i=0, lf=0 ; i < count ; i++) { + if (*(buf + i) == 10) { + lf = 1; + i++; + break; + } + } + /* pass on to the driver specific version of this function if it is available */ + if (serial->type->write) + retval = serial->type->write(port, buf, i); + else + retval = usb_serial_generic_write(port, buf, i); + dbg("%s - return value : %d", __FUNCTION__, retval); + if (lf) { + /* append CR after LF */ + unsigned char cr = 13; + if (serial->type->write) + retval = serial->type->write(port, &cr, 1); + else + retval = usb_serial_generic_write(port, &cr, 1); + dbg("%s - return value : %d", __FUNCTION__, retval); + } + buf += i; + count -= i; + } } static struct console usbcons = { @@ -234,6 +255,14 @@ static struct console usbcons = { .index = -1, }; +void usb_serial_console_disconnect(struct usb_serial *serial) +{ + if (serial && serial->port && serial->port[0] && serial->port[0] == usbcons_info.port) { + usb_serial_console_exit(); + usb_serial_put(serial); + } +} + void usb_serial_console_init (int serial_debug, int minor) { debug = serial_debug; @@ -259,6 +288,11 @@ void usb_serial_console_init (int serial_debug, int minor) void usb_serial_console_exit (void) { - unregister_console(&usbcons); + if (usbcons_info.port) { + unregister_console(&usbcons); + if (usbcons_info.port->open_count) + usbcons_info.port->open_count--; + usbcons_info.port = NULL; + } } |