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| author | Paul Mundt <lethal@linux-sh.org> | 2011-11-24 19:36:46 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-11-24 19:36:46 +0900 |
| commit | d39ec6ce34f130d582880d1f3cbe2b38e723cafe (patch) | |
| tree | 93d7a3274625667e8ce0d5e580f7c4b914aaf8b4 /drivers/tty/serial/sh-sci.c | |
| parent | d97fbbed6e5bb37df75be8993bb0c61adb7d3558 (diff) | |
| download | op-kernel-dev-d39ec6ce34f130d582880d1f3cbe2b38e723cafe.zip op-kernel-dev-d39ec6ce34f130d582880d1f3cbe2b38e723cafe.tar.gz | |
serial: sh-sci: Clarify enable_ms/break_ctl comments.
Technically there's nothing we can do for either of these, so update the
comments to reflect this, rather than infering that there's additional
work to be done.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/tty/serial/sh-sci.c')
| -rw-r--r-- | drivers/tty/serial/sh-sci.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 3bea91b..cd13792 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1465,12 +1465,17 @@ static void sci_stop_rx(struct uart_port *port) static void sci_enable_ms(struct uart_port *port) { - /* Nothing here yet .. */ + /* + * Not supported by hardware, always a nop. + */ } static void sci_break_ctl(struct uart_port *port, int break_state) { - /* Nothing here yet .. */ + /* + * Not supported by hardware. Most parts couple break and rx + * interrupts together, with break detection always enabled. + */ } #ifdef CONFIG_SERIAL_SH_SCI_DMA |
