diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/8250.c | 7 | ||||
| -rw-r--r-- | drivers/serial/crisv10.c | 1 | ||||
| -rw-r--r-- | drivers/serial/kgdboc.c | 3 | ||||
| -rw-r--r-- | drivers/serial/mfd.c | 24 | ||||
| -rw-r--r-- | drivers/serial/serial_core.c | 1 |
5 files changed, 12 insertions, 24 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index dd5e1ac..09a5508 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -2343,11 +2343,8 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, /* * CTS flow control flag and modem status interrupts - * Only disable MSI if no threads are waiting in - * serial_core::uart_wait_modem_status */ - if (!waitqueue_active(&up->port.state->port.delta_msr_wait)) - up->ier &= ~UART_IER_MSI; + up->ier &= ~UART_IER_MSI; if (!(up->bugs & UART_BUG_NOMSR) && UART_ENABLE_MS(&up->port, termios->c_cflag)) up->ier |= UART_IER_MSI; @@ -2875,7 +2872,7 @@ static struct console serial8250_console = { .device = uart_console_device, .setup = serial8250_console_setup, .early_setup = serial8250_console_early_setup, - .flags = CON_PRINTBUFFER, + .flags = CON_PRINTBUFFER | CON_ANYTIME, .index = -1, .data = &serial8250_reg, }; diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c index fa62578..bcc31f2 100644 --- a/drivers/serial/crisv10.c +++ b/drivers/serial/crisv10.c @@ -18,7 +18,6 @@ static char *serial_version = "$Revision: 1.25 $"; #include <linux/tty.h> #include <linux/tty_flip.h> #include <linux/major.h> -#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/fcntl.h> #include <linux/mm.h> diff --git a/drivers/serial/kgdboc.c b/drivers/serial/kgdboc.c index 3374618..25a8bc5 100644 --- a/drivers/serial/kgdboc.c +++ b/drivers/serial/kgdboc.c @@ -90,7 +90,8 @@ static DECLARE_WORK(kgdboc_restore_input_work, kgdboc_restore_input_helper); static void kgdboc_restore_input(void) { - schedule_work(&kgdboc_restore_input_work); + if (likely(system_state == SYSTEM_RUNNING)) + schedule_work(&kgdboc_restore_input_work); } static int kgdboc_register_kbd(char **cptr) diff --git a/drivers/serial/mfd.c b/drivers/serial/mfd.c index 5fc699e..d40010a 100644 --- a/drivers/serial/mfd.c +++ b/drivers/serial/mfd.c @@ -900,8 +900,7 @@ serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios, unsigned char cval, fcr = 0; unsigned long flags; unsigned int baud, quot; - u32 mul = 0x3600; - u32 ps = 0x10; + u32 ps, mul; switch (termios->c_cflag & CSIZE) { case CS5: @@ -943,31 +942,24 @@ serial_hsu_set_termios(struct uart_port *port, struct ktermios *termios, baud = uart_get_baud_rate(port, termios, old, 0, 4000000); quot = 1; + ps = 0x10; + mul = 0x3600; switch (baud) { case 3500000: mul = 0x3345; ps = 0xC; break; - case 3000000: - mul = 0x2EE0; - break; - case 2500000: - mul = 0x2710; - break; - case 2000000: - mul = 0x1F40; - break; case 1843200: mul = 0x2400; break; + case 3000000: + case 2500000: + case 2000000: case 1500000: - mul = 0x1770; - break; case 1000000: - mul = 0xFA0; - break; case 500000: - mul = 0x7D0; + /* mul/ps/quot = 0x9C4/0x10/0x1 will make a 500000 bps */ + mul = baud / 500000 * 0x9C4; break; default: /* Use uart_get_divisor to get quot for other baud rates */ diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index c4ea146..9ffa5be 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -29,7 +29,6 @@ #include <linux/console.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> -#include <linux/smp_lock.h> #include <linux/device.h> #include <linux/serial.h> /* for serial_state and serial_icounter_struct */ #include <linux/serial_core.h> |
