diff options
author | Arve Hjønnevåg <arve@android.com> | 2010-03-10 16:38:33 -0800 |
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committer | Arve Hjønnevåg <arve@android.com> | 2010-03-10 16:38:33 -0800 |
commit | 67078ecae3edb5b4657dcb9f67f744ecccd18a97 (patch) | |
tree | 90333318a7229fd977881577e0d19fd8e7e26423 /drivers/serial | |
parent | dc136618cb23810dd3d4adfcb836b289cd528b4f (diff) | |
parent | 7f5e918e62cbc9ac27c2f47d3c3dd4b86f67ff0e (diff) |
Merge commit 'v2.6.32.9' into android-2.6.32
Diffstat (limited to 'drivers/serial')
-rw-r--r-- | drivers/serial/8250.c | 15 | ||||
-rw-r--r-- | drivers/serial/8250_pnp.c | 12 | ||||
-rw-r--r-- | drivers/serial/uartlite.c | 2 |
3 files changed, 11 insertions, 18 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 737b4c960971..5ed1b828a7ca 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -83,6 +83,9 @@ static unsigned int skip_txen_test; /* force skip of txen test at init time */ #define PASS_LIMIT 256 +#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) + + /* * We default to IRQ0 for the "no irq" hack. Some * machine types want others as well - they're free @@ -1339,14 +1342,12 @@ static void serial8250_start_tx(struct uart_port *port) serial_out(up, UART_IER, up->ier); if (up->bugs & UART_BUG_TXEN) { - unsigned char lsr, iir; + unsigned char lsr; lsr = serial_in(up, UART_LSR); up->lsr_saved_flags |= lsr & LSR_SAVE_FLAGS; - iir = serial_in(up, UART_IIR) & 0x0f; if ((up->port.type == PORT_RM9000) ? - (lsr & UART_LSR_THRE && - (iir == UART_IIR_NO_INT || iir == UART_IIR_THRI)) : - (lsr & UART_LSR_TEMT && iir & UART_IIR_NO_INT)) + (lsr & UART_LSR_THRE) : + (lsr & UART_LSR_TEMT)) transmit_chars(up); } } @@ -1794,7 +1795,7 @@ static unsigned int serial8250_tx_empty(struct uart_port *port) up->lsr_saved_flags |= lsr & LSR_SAVE_FLAGS; spin_unlock_irqrestore(&up->port.lock, flags); - return lsr & UART_LSR_TEMT ? TIOCSER_TEMT : 0; + return (lsr & BOTH_EMPTY) == BOTH_EMPTY ? TIOCSER_TEMT : 0; } static unsigned int serial8250_get_mctrl(struct uart_port *port) @@ -1852,8 +1853,6 @@ static void serial8250_break_ctl(struct uart_port *port, int break_state) spin_unlock_irqrestore(&up->port.lock, flags); } -#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) - /* * Wait for transmitter & holding register to empty */ diff --git a/drivers/serial/8250_pnp.c b/drivers/serial/8250_pnp.c index d71dfe398940..deac67e35ce9 100644 --- a/drivers/serial/8250_pnp.c +++ b/drivers/serial/8250_pnp.c @@ -328,15 +328,7 @@ static const struct pnp_device_id pnp_dev_table[] = { /* U.S. Robotics 56K Voice INT PnP*/ { "USR9190", 0 }, /* Wacom tablets */ - { "WACF004", 0 }, - { "WACF005", 0 }, - { "WACF006", 0 }, - { "WACF007", 0 }, - { "WACF008", 0 }, - { "WACF009", 0 }, - { "WACF00A", 0 }, - { "WACF00B", 0 }, - { "WACF00C", 0 }, + { "WACFXXX", 0 }, /* Compaq touchscreen */ { "FPI2002", 0 }, /* Fujitsu Stylistic touchscreens */ @@ -354,6 +346,8 @@ static const struct pnp_device_id pnp_dev_table[] = { { "FUJ02E5", 0 }, /* Fujitsu P-series tablet PC device */ { "FUJ02E6", 0 }, + /* Fujitsu Wacom 2FGT Tablet PC device */ + { "FUJ02E7", 0 }, /* * LG C1 EXPRESS DUAL (C1-PB11A3) touch screen (actually a FUJ02E6 in * disguise) diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c index 377f2712289e..ab2ab3c81834 100644 --- a/drivers/serial/uartlite.c +++ b/drivers/serial/uartlite.c @@ -394,7 +394,7 @@ static void ulite_console_write(struct console *co, const char *s, spin_unlock_irqrestore(&port->lock, flags); } -static int __init ulite_console_setup(struct console *co, char *options) +static int __devinit ulite_console_setup(struct console *co, char *options) { struct uart_port *port; int baud = 9600; |