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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-10 15:59:12 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-10 15:59:12 -0700 |
| commit | 7a92bc3856ec7e995ea9a0fb48c25e79ad395ea3 (patch) | |
| tree | 62220bffa5641eae4ab27efcefe807241e588ff8 /drivers/tty/serial/omap-serial.c | |
| parent | 722aacb28588c7d0326493d1a0700d6a886be7b9 (diff) | |
| parent | 1b581f173992cded311f810346378f763a1f1e5d (diff) | |
Merge tag 'tty-3.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg Kroah-Hartman:
"Here are 4 small tty/serial fixes for 3.9.
One fixes a bug where we broke the documentation build, and the others
fix reported problems in some serial drivers.
All have been in linux-next for a while"
* tag 'tty-3.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: mxser: fix cycle termination condition in mxser_probe() and mxser_module_init()
Revert "tty/8250_pnp: serial port detection regression since v3.7"
OMAP/serial: Revert bad fix of Rx FIFO threshold granularity
tty: Documentation: fix a path in a DocBook template
Diffstat (limited to 'drivers/tty/serial/omap-serial.c')
| -rw-r--r-- | drivers/tty/serial/omap-serial.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 4dc41408ecb..30d4f7a783c 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -886,6 +886,17 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios, serial_out(up, UART_MCR, up->mcr | UART_MCR_TCRTLR); /* FIFO ENABLE, DMA MODE */ + up->scr |= OMAP_UART_SCR_RX_TRIG_GRANU1_MASK; + /* + * NOTE: Setting OMAP_UART_SCR_RX_TRIG_GRANU1_MASK + * sets Enables the granularity of 1 for TRIGGER RX + * level. Along with setting RX FIFO trigger level + * to 1 (as noted below, 16 characters) and TLR[3:0] + * to zero this will result RX FIFO threshold level + * to 1 character, instead of 16 as noted in comment + * below. + */ + /* Set receive FIFO threshold to 16 characters and * transmit FIFO threshold to 16 spaces */ |