diff options
Diffstat (limited to 'drivers/serial')
-rw-r--r-- | drivers/serial/8250.c | 2 | ||||
-rw-r--r-- | drivers/serial/8250_early.c | 2 | ||||
-rw-r--r-- | drivers/serial/clps711x.c | 9 | ||||
-rw-r--r-- | drivers/serial/imx.c | 3 | ||||
-rw-r--r-- | drivers/serial/ioc4_serial.c | 80 | ||||
-rw-r--r-- | drivers/serial/mpc52xx_uart.c | 2 | ||||
-rw-r--r-- | drivers/serial/mpsc.c | 4 | ||||
-rw-r--r-- | drivers/serial/pxa.c | 2 | ||||
-rw-r--r-- | drivers/serial/s3c2410.c | 2 | ||||
-rw-r--r-- | drivers/serial/sa1100.c | 2 | ||||
-rw-r--r-- | drivers/serial/serial_core.c | 7 | ||||
-rw-r--r-- | drivers/serial/vr41xx_siu.c | 2 |
12 files changed, 61 insertions, 56 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index afb7ddf200e..f47d2c454e3 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -33,7 +33,7 @@ #include <linux/sysrq.h> #include <linux/mca.h> #include <linux/delay.h> -#include <linux/device.h> +#include <linux/platform_device.h> #include <linux/tty.h> #include <linux/tty_flip.h> #include <linux/serial_reg.h> diff --git a/drivers/serial/8250_early.c b/drivers/serial/8250_early.c index b7a5dd71022..59ba5d993b4 100644 --- a/drivers/serial/8250_early.c +++ b/drivers/serial/8250_early.c @@ -164,7 +164,7 @@ static int __init parse_options(struct early_uart_device *device, char *options) if ((options = strchr(options, ','))) { options++; - device->baud = simple_strtoul(options, 0, 0); + device->baud = simple_strtoul(options, NULL, 0); length = min(strcspn(options, " "), sizeof(device->options)); strncpy(device->options, options, length); } else { diff --git a/drivers/serial/clps711x.c b/drivers/serial/clps711x.c index 6a67e8f585b..87ef368384f 100644 --- a/drivers/serial/clps711x.c +++ b/drivers/serial/clps711x.c @@ -408,11 +408,7 @@ static struct uart_port clps711x_ports[UART_NR] = { { .iobase = SYSCON1, .irq = IRQ_UTXINT1, /* IRQ_URXINT1, IRQ_UMSINT */ -#ifdef CONFIG_MP1000_90MHZ - .uartclk = 4515840, -#else .uartclk = 3686400, -#endif .fifosize = 16, .ops = &clps711x_pops, .line = 0, @@ -421,11 +417,7 @@ static struct uart_port clps711x_ports[UART_NR] = { { .iobase = SYSCON2, .irq = IRQ_UTXINT2, /* IRQ_URXINT2 */ -#ifdef CONFIG_MP1000_90MHZ - .uartclk = 4515840, -#else .uartclk = 3686400, -#endif .fifosize = 16, .ops = &clps711x_pops, .line = 1, @@ -559,7 +551,6 @@ console_initcall(clps711xuart_console_init); static struct uart_driver clps711x_reg = { .driver_name = "ttyCL", .dev_name = "ttyCL", - .devfs_name = "ttyCL", .major = SERIAL_CLPS711X_MAJOR, .minor = SERIAL_CLPS711X_MINOR, .nr = UART_NR, diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c index 5b3933b0c99..4a54ff58470 100644 --- a/drivers/serial/imx.c +++ b/drivers/serial/imx.c @@ -36,7 +36,7 @@ #include <linux/init.h> #include <linux/console.h> #include <linux/sysrq.h> -#include <linux/device.h> +#include <linux/platform_device.h> #include <linux/tty.h> #include <linux/tty_flip.h> #include <linux/serial_core.h> @@ -995,6 +995,7 @@ static int __init imx_serial_init(void) static void __exit imx_serial_exit(void) { uart_unregister_driver(&imx_reg); + driver_unregister(&serial_imx_driver); } module_init(imx_serial_init); diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c index f88fdd48068..771676abee6 100644 --- a/drivers/serial/ioc4_serial.c +++ b/drivers/serial/ioc4_serial.c @@ -308,6 +308,8 @@ struct ioc4_serial { typedef void ioc4_intr_func_f(void *, uint32_t); typedef ioc4_intr_func_f *ioc4_intr_func_t; +static unsigned int Num_of_ioc4_cards; + /* defining this will get you LOTS of great debug info */ //#define DEBUG_INTERRUPTS #define DPRINT_CONFIG(_x...) ; @@ -317,7 +319,8 @@ typedef ioc4_intr_func_f *ioc4_intr_func_t; #define WAKEUP_CHARS 256 /* number of characters we want to transmit to the lower level at a time */ -#define IOC4_MAX_CHARS 128 +#define IOC4_MAX_CHARS 256 +#define IOC4_FIFO_CHARS 255 /* Device name we're using */ #define DEVICE_NAME "ttyIOC" @@ -1038,6 +1041,7 @@ static int inline ioc4_attach_local(struct ioc4_driver_data *idd) return -ENOMEM; } memset(port, 0, sizeof(struct ioc4_port)); + spin_lock_init(&port->ip_lock); /* we need to remember the previous ones, to point back to * them farther down - setting up the ring buffers. @@ -1691,12 +1695,14 @@ ioc4_change_speed(struct uart_port *the_port, baud = 9600; if (!the_port->fifosize) - the_port->fifosize = IOC4_MAX_CHARS; + the_port->fifosize = IOC4_FIFO_CHARS; the_port->timeout = ((the_port->fifosize * HZ * bits) / (baud / 10)); the_port->timeout += HZ / 50; /* Add .02 seconds of slop */ the_port->ignore_status_mask = N_ALL_INPUT; + info->tty->low_latency = 1; + if (I_IGNPAR(info->tty)) the_port->ignore_status_mask &= ~(N_PARITY_ERROR | N_FRAMING_ERROR); @@ -1742,7 +1748,6 @@ ioc4_change_speed(struct uart_port *the_port, */ static inline int ic4_startup_local(struct uart_port *the_port) { - int retval = 0; struct ioc4_port *port; struct uart_info *info; @@ -1754,9 +1759,6 @@ static inline int ic4_startup_local(struct uart_port *the_port) return -1; info = the_port->info; - if (info->flags & UIF_INITIALIZED) { - return retval; - } if (info->tty) { set_bit(TTY_IO_ERROR, &info->tty->flags); @@ -1775,7 +1777,6 @@ static inline int ic4_startup_local(struct uart_port *the_port) /* set the speed of the serial port */ ioc4_change_speed(the_port, info->tty->termios, (struct termios *)0); - info->flags |= UIF_INITIALIZED; return 0; } @@ -1785,9 +1786,13 @@ static inline int ic4_startup_local(struct uart_port *the_port) */ static void ioc4_cb_output_lowat(struct ioc4_port *port) { + unsigned long pflags; + /* ip_lock is set on the call here */ if (port->ip_port) { + spin_lock_irqsave(&port->ip_port->lock, pflags); transmit_chars(port->ip_port); + spin_unlock_irqrestore(&port->ip_port->lock, pflags); } } @@ -2064,8 +2069,7 @@ static inline int do_read(struct uart_port *the_port, unsigned char *buf, * available data as long as it returns some. */ /* Re-arm the timer */ - writel(port->ip_rx_cons | IOC4_SRCIR_ARM, - &port->ip_serial_regs->srcir); + writel(port->ip_rx_cons | IOC4_SRCIR_ARM, &port->ip_serial_regs->srcir); prod_ptr = readl(&port->ip_serial_regs->srpir) & PROD_CONS_MASK; cons_ptr = port->ip_rx_cons; @@ -2299,6 +2303,7 @@ static inline int do_read(struct uart_port *the_port, unsigned char *buf, } return total; } + /** * receive_chars - upper level read. Called with ip_lock. * @the_port: port to read from @@ -2307,9 +2312,11 @@ static void receive_chars(struct uart_port *the_port) { struct tty_struct *tty; unsigned char ch[IOC4_MAX_CHARS]; - int read_count, request_count; + int read_count, request_count = IOC4_MAX_CHARS; struct uart_icount *icount; struct uart_info *info = the_port->info; + int flip = 0; + unsigned long pflags; /* Make sure all the pointers are "good" ones */ if (!info) @@ -2317,16 +2324,17 @@ static void receive_chars(struct uart_port *the_port) if (!info->tty) return; + spin_lock_irqsave(&the_port->lock, pflags); tty = info->tty; - request_count = TTY_FLIPBUF_SIZE - tty->flip.count - 1; + if (request_count > TTY_FLIPBUF_SIZE - tty->flip.count) + request_count = TTY_FLIPBUF_SIZE - tty->flip.count; if (request_count > 0) { - if (request_count > IOC4_MAX_CHARS - 2) - request_count = IOC4_MAX_CHARS - 2; icount = &the_port->icount; read_count = do_read(the_port, ch, request_count); if (read_count > 0) { + flip = 1; memcpy(tty->flip.char_buf_ptr, ch, read_count); memset(tty->flip.flag_buf_ptr, TTY_NORMAL, read_count); tty->flip.char_buf_ptr += read_count; @@ -2335,7 +2343,11 @@ static void receive_chars(struct uart_port *the_port) icount->rx += read_count; } } - tty_flip_buffer_push(tty); + + spin_unlock_irqrestore(&the_port->lock, pflags); + + if (flip) + tty_flip_buffer_push(tty); } /** @@ -2393,18 +2405,14 @@ static void ic4_shutdown(struct uart_port *the_port) info = the_port->info; - if (!(info->flags & UIF_INITIALIZED)) - return; - wake_up_interruptible(&info->delta_msr_wait); if (info->tty) set_bit(TTY_IO_ERROR, &info->tty->flags); - spin_lock_irqsave(&port->ip_lock, port_flags); + spin_lock_irqsave(&the_port->lock, port_flags); set_notification(port, N_ALL, 0); - info->flags &= ~UIF_INITIALIZED; - spin_unlock_irqrestore(&port->ip_lock, port_flags); + spin_unlock_irqrestore(&the_port->lock, port_flags); } /** @@ -2463,12 +2471,10 @@ static unsigned int ic4_get_mctrl(struct uart_port *the_port) static void ic4_start_tx(struct uart_port *the_port) { struct ioc4_port *port = get_ioc4_port(the_port); - unsigned long flags; if (port) { - spin_lock_irqsave(&port->ip_lock, flags); - transmit_chars(the_port); - spin_unlock_irqrestore(&port->ip_lock, flags); + set_notification(port, N_OUTPUT_LOWAT, 1); + enable_intrs(port, port->ip_hooks->intr_tx_mt); } } @@ -2510,9 +2516,9 @@ static int ic4_startup(struct uart_port *the_port) } /* Start up the serial port */ - spin_lock_irqsave(&port->ip_lock, port_flags); + spin_lock_irqsave(&the_port->lock, port_flags); retval = ic4_startup_local(the_port); - spin_unlock_irqrestore(&port->ip_lock, port_flags); + spin_unlock_irqrestore(&the_port->lock, port_flags); return retval; } @@ -2527,12 +2533,11 @@ static void ic4_set_termios(struct uart_port *the_port, struct termios *termios, struct termios *old_termios) { - struct ioc4_port *port = get_ioc4_port(the_port); unsigned long port_flags; - spin_lock_irqsave(&port->ip_lock, port_flags); + spin_lock_irqsave(&the_port->lock, port_flags); ioc4_change_speed(the_port, termios, old_termios); - spin_unlock_irqrestore(&port->ip_lock, port_flags); + spin_unlock_irqrestore(&the_port->lock, port_flags); } /** @@ -2607,24 +2612,25 @@ ioc4_serial_core_attach(struct pci_dev *pdev) __FUNCTION__, (void *)the_port, (void *)port)); - spin_lock_init(&the_port->lock); /* membase, iobase and mapbase just need to be non-0 */ the_port->membase = (unsigned char __iomem *)1; - the_port->line = the_port->iobase = ii; + the_port->iobase = (pdev->bus->number << 16) | ii; + the_port->line = (Num_of_ioc4_cards << 2) | ii; the_port->mapbase = 1; the_port->type = PORT_16550A; - the_port->fifosize = IOC4_MAX_CHARS; + the_port->fifosize = IOC4_FIFO_CHARS; the_port->ops = &ioc4_ops; the_port->irq = control->ic_irq; the_port->dev = &pdev->dev; + spin_lock_init(&the_port->lock); if (uart_add_one_port(&ioc4_uart, the_port) < 0) { printk(KERN_WARNING - "%s: unable to add port %d\n", - __FUNCTION__, the_port->line); + "%s: unable to add port %d bus %d\n", + __FUNCTION__, the_port->line, pdev->bus->number); } else { DPRINT_CONFIG( - ("IOC4 serial driver port %d irq = %d\n", - the_port->line, the_port->irq)); + ("IOC4 serial port %d irq = %d, bus %d\n", + the_port->line, the_port->irq, pdev->bus->number)); } /* all ports are rs232 for now */ ioc4_set_proto(port, PROTO_RS232); @@ -2734,6 +2740,8 @@ ioc4_serial_attach_one(struct ioc4_driver_data *idd) if ((ret = ioc4_serial_core_attach(idd->idd_pdev))) goto out4; + Num_of_ioc4_cards++; + return ret; /* error exits that give back resources */ diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c index 8a79968f8ce..0dd08a09e7e 100644 --- a/drivers/serial/mpc52xx_uart.c +++ b/drivers/serial/mpc52xx_uart.c @@ -45,7 +45,7 @@ */ #include <linux/config.h> -#include <linux/device.h> +#include <linux/platform_device.h> #include <linux/module.h> #include <linux/tty.h> #include <linux/serial.h> diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c index efe79b1fd43..ba8838b234d 100644 --- a/drivers/serial/mpsc.c +++ b/drivers/serial/mpsc.c @@ -52,6 +52,8 @@ * 4) AFAICT, hardware flow control isn't supported by the controller --MAG. */ +#include <linux/platform_device.h> + #include "mpsc.h" /* @@ -1100,6 +1102,8 @@ mpsc_start_rx(struct mpsc_port_info *pi) { pr_debug("mpsc_start_rx[%d]: Starting...\n", pi->port.line); + /* Issue a Receive Abort to clear any receive errors */ + writel(MPSC_CHR_2_RA, pi->mpsc_base + MPSC_CHR_2); if (pi->rcv_data) { mpsc_enter_hunt(pi); mpsc_sdma_cmd(pi, SDMA_SDCM_ERD); diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c index 8cc4cedadd9..16b2f9417af 100644 --- a/drivers/serial/pxa.c +++ b/drivers/serial/pxa.c @@ -39,7 +39,7 @@ #include <linux/circ_buf.h> #include <linux/delay.h> #include <linux/interrupt.h> -#include <linux/device.h> +#include <linux/platform_device.h> #include <linux/tty.h> #include <linux/tty_flip.h> #include <linux/serial_core.h> diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c index 06a17dff1a7..036792328d4 100644 --- a/drivers/serial/s3c2410.c +++ b/drivers/serial/s3c2410.c @@ -63,7 +63,7 @@ #include <linux/module.h> #include <linux/ioport.h> -#include <linux/device.h> +#include <linux/platform_device.h> #include <linux/init.h> #include <linux/sysrq.h> #include <linux/console.h> diff --git a/drivers/serial/sa1100.c b/drivers/serial/sa1100.c index c4a789e6af4..ed618cc7ae9 100644 --- a/drivers/serial/sa1100.c +++ b/drivers/serial/sa1100.c @@ -35,7 +35,7 @@ #include <linux/init.h> #include <linux/console.h> #include <linux/sysrq.h> -#include <linux/device.h> +#include <linux/platform_device.h> #include <linux/tty.h> #include <linux/tty_flip.h> #include <linux/serial_core.h> diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index 2d8622eef70..0745ce78297 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -147,8 +147,7 @@ static int uart_startup(struct uart_state *state, int init_hw) * once we have successfully opened the port. Also set * up the tty->alt_speed kludge */ - if (info->tty) - set_bit(TTY_IO_ERROR, &info->tty->flags); + set_bit(TTY_IO_ERROR, &info->tty->flags); if (port->type == PORT_UNKNOWN) return 0; @@ -1968,7 +1967,9 @@ uart_report_port(struct uart_driver *drv, struct uart_port *port) break; } - printk(KERN_INFO "%s%d at %s (irq = %d) is a %s\n", + printk(KERN_INFO "%s%s%s%d at %s (irq = %d) is a %s\n", + port->dev ? port->dev->bus_id : "", + port->dev ? ": " : "", drv->dev_name, port->line, address, port->irq, uart_type(port)); } diff --git a/drivers/serial/vr41xx_siu.c b/drivers/serial/vr41xx_siu.c index 2b623ab0e36..01696b3e3f6 100644 --- a/drivers/serial/vr41xx_siu.c +++ b/drivers/serial/vr41xx_siu.c @@ -26,7 +26,7 @@ #endif #include <linux/console.h> -#include <linux/device.h> +#include <linux/platform_device.h> #include <linux/err.h> #include <linux/ioport.h> #include <linux/init.h> |