kernel/git/stable/linux.git/drivers/serial/8250_early.c, branch master

tty: move drivers/serial/ to drivers/tty/serial/

2011-01-13T20:10:18+00:00

The serial drivers are really just tty drivers, so move them to drivers/tty/ to make things a bit neater overall. This is part of the tty/serial driver movement proceedure as proposed by Arnd Bergmann and approved by everyone involved a number of months ago. Cc: Arnd Bergmann Cc: Alan Cox Cc: Geert Uytterhoeven Cc: Rogier Wolff Cc: Michael H. Warfield Signed-off-by: Greg Kroah-Hartman

serial: print early console device address in hex

2010-08-24T01:17:20+00:00

Device addresses are usually printed in hex. Signed-off-by: Tony Luck Cc: Andrew Morton Signed-off-by: Greg Kroah-Hartman

serial: MMIO32 support for 8250_early.c

2010-08-10T20:47:45+00:00

Provide MMIO32 support in 8250_early (aka earlycon) [randy.dunlap@oracle.com: fix printk format warnings] [akpm@linux-foundation.org: fix printk args some more] Signed-off-by: Samium Gromoff <_deepfire@feelingofgreen.ru> Signed-off-by: Randy Dunlap Cc: KOSAKI Motohiro Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman

8250: switch 8250 drivers to use _nocache ioremaps

2008-05-01T15:04:00+00:00

Signed-off-by: Alan Cox Cc: Russell King Cc: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

serial: replace remaining FUNCTION occurrences

2008-04-30T15:29:54+00:00

__FUNCTION__ is gcc-specific, use __func__ Signed-off-by: Harvey Harrison Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

8250_early: coding style

2008-02-08T17:22:25+00:00

Signed-off-by: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

serial: fix compile warning about putc

2007-11-05T23:12:32+00:00

drivers/serial/8250_early.c:80: warning: conflicting types for built-in function `putc' Signed-off-by: Yinghai Lu Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

serial: fix 8250 early console setup

2007-08-03T22:02:56+00:00

the early setup function serial8250_console_early_setup() can be called from non __init code (eg. hotpluggable serial ports like serial_cs) so remove the __init from the call chain to avoid crashes. Signed-off-by: Daniel Ritz Cc: Yinghai Lu Signed-off-by: Linus Torvalds

Use resource_size_t for serial port IO addresses

2007-07-24T19:24:58+00:00

At present, various parts of the serial code use unsigned long to define resource addresses. This is a problem, because some 32-bit platforms have physical addresses larger than 32-bits, and have mmio serial uarts located above the 4GB point. This patch changes the type of mapbase in both struct uart_port and struct plat_serial8250_port to resource_size_t, which can be configured to be 64 bits on such platforms. The mapbase in serial_struct can't safely be changed, because that structure is user visible. Signed-off-by: David Gibson Signed-off-by: Josh Boyer Cc: Russell King Cc: Paul Mackerras Cc: Jason Wessel Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds

serial: convert early_uart to earlycon for 8250

2007-07-16T16:05:35+00:00

Beacuse SERIAL_PORT_DFNS is removed from include/asm-i386/serial.h and include/asm-x86_64/serial.h. the serial8250_ports need to be probed late in serial initializing stage. the console_init=>serial8250_console_init=> register_console=>serial8250_console_setup will return -ENDEV, and console ttyS0 can not be enabled at that time. need to wait till uart_add_one_port in drivers/serial/serial_core.c to call register_console to get console ttyS0. that is too late. Make early_uart to use early_param, so uart console can be used earlier. Make it to be bootconsole with CON_BOOT flag, so can use console handover feature. and it will switch to corresponding normal serial console automatically. new command line will be: console=uart8250,io,0x3f8,9600n8 console=uart8250,mmio,0xff5e0000,115200n8 or earlycon=uart8250,io,0x3f8,9600n8 earlycon=uart8250,mmio,0xff5e0000,115200n8 it will print in very early stage: Early serial console at I/O port 0x3f8 (options '9600n8') console [uart0] enabled later for console it will print: console handover: boot [uart0] -> real [ttyS0] Signed-off-by: Cc: Andi Kleen Cc: Bjorn Helgaas Cc: Russell King Cc: Gerd Hoffmann Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds