hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[SERIAL] Remove UPF_AUTOPROBE and UPF_BOOT_ONLYMCA 

The functionality UPF_BOOT_ONLYMCA provided has been replaced by
the 8250_mca module, which only registers MCA ports if MCA is
present.

UPF_AUTOPROBE has no functional effect - in fact, it's never
tested.  Only ibmasm set the flag.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2006-01-21 20:06:14 +00:00 committed by Russell King
parent ce8337cb7d
commit ca74080385
3 changed files with 1 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/misc/ibmasm/uart.c
View File

@ -50,7 +50,7 @@ void ibmasm_register_uart(struct service_processor *sp)
memset(&uport, 0, sizeof(struct uart_port));
uport.irq = sp->irq;
uport.uartclk = 3686400;
uport.flags = UPF_AUTOPROBE | UPF_SHARE_IRQ;
uport.flags = UPF_SHARE_IRQ;
uport.iotype = UPIO_MEM;
uport.membase = iomem_base;

7
drivers/serial/8250.c
View File

@ -31,7 +31,6 @@
#include <linux/init.h>
#include <linux/console.h>
#include <linux/sysrq.h>
#include <linux/mca.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/tty.h>
@ -2026,12 +2025,6 @@ static void serial8250_config_port(struct uart_port *port, int flags)
int probeflags = PROBE_ANY;
int ret;
/*
* Don't probe for MCA ports on non-MCA machines.
*/
if (up->port.flags & UPF_BOOT_ONLYMCA && !MCA_bus)
return;
/*
* Find the region that we can probe for. This in turn
* tells us whether we can probe for the type of port.

2
include/linux/serial_core.h
View File

@ -245,9 +245,7 @@ struct uart_port {
#define UPF_HARDPPS_CD (1 << 11)
#define UPF_LOW_LATENCY (1 << 13)
#define UPF_BUGGY_UART (1 << 14)
#define UPF_AUTOPROBE (1 << 15)
#define UPF_MAGIC_MULTIPLIER (1 << 16)
#define UPF_BOOT_ONLYMCA (1 << 22)
#define UPF_CONS_FLOW (1 << 23)
#define UPF_SHARE_IRQ (1 << 24)
#define UPF_BOOT_AUTOCONF (1 << 28)