diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-12-29 09:42:58 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-29 10:37:07 +0100 |
| commit | 0ce74d9296c971b2355c26984ad0bc538e34dd6c (patch) | |
| tree | 566d03e2a4f6b42dab9628cd82c93cd61d587467 /drivers/serial/pmac_zilog.c | |
| parent | 1cc4fff0b360aeffeedb7d6db5089d88dd861700 (diff) | |
| parent | 3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff) | |
Merge branch 'linus' into timers/hrtimers
Conflicts:
sound/drivers/pcsp/pcsp.c
Semantic conflict:
sound/core/hrtimer.c
Diffstat (limited to 'drivers/serial/pmac_zilog.c')
| -rw-r--r-- | drivers/serial/pmac_zilog.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c index 317b061f7641..ad3488504010 100644 --- a/drivers/serial/pmac_zilog.c +++ b/drivers/serial/pmac_zilog.c @@ -1383,6 +1383,29 @@ static int pmz_verify_port(struct uart_port *port, struct serial_struct *ser) return -EINVAL; } +#ifdef CONFIG_CONSOLE_POLL + +static int pmz_poll_get_char(struct uart_port *port) +{ + struct uart_pmac_port *uap = (struct uart_pmac_port *)port; + + while ((read_zsreg(uap, R0) & Rx_CH_AV) == 0) + udelay(5); + return read_zsdata(uap); +} + +static void pmz_poll_put_char(struct uart_port *port, unsigned char c) +{ + struct uart_pmac_port *uap = (struct uart_pmac_port *)port; + + /* Wait for the transmit buffer to empty. */ + while ((read_zsreg(uap, R0) & Tx_BUF_EMP) == 0) + udelay(5); + write_zsdata(uap, c); +} + +#endif + static struct uart_ops pmz_pops = { .tx_empty = pmz_tx_empty, .set_mctrl = pmz_set_mctrl, @@ -1400,6 +1423,10 @@ static struct uart_ops pmz_pops = { .request_port = pmz_request_port, .config_port = pmz_config_port, .verify_port = pmz_verify_port, +#ifdef CONFIG_CONSOLE_POLL + .poll_get_char = pmz_poll_get_char, + .poll_put_char = pmz_poll_put_char, +#endif }; /* |