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serial: delete the MCA specific 8250 support.

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The support for CONFIG_MCA is being removed, since the 20
year old hardware simply isn't capable of meeting today's
software demands on CPU and memory resources.

This commit removes the MCA specific 8250 UART code.

Cc: Alan Cox <[email protected]>
Cc: [email protected]
Acked-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Paul Gortmaker <[email protected]>
This commit is contained in:
Paul Gortmaker 2012-05-16 20:27:32 -04:00
commit d157be852f
6 changed files with 11 additions and 85 deletions
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61
drivers/tty/serial/8250/8250_mca.c
View file

@ -1,61 +0,0 @@
/*
* Copyright (C) 2005 Russell King.
* Data taken from include/asm-i386/serial.h
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/mca.h>
#include <linux/serial_8250.h>
/*
* FIXME: Should we be doing AUTO_IRQ here?
*/
#ifdef CONFIG_SERIAL_8250_DETECT_IRQ
#define MCA_FLAGS UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ
#else
#define MCA_FLAGS UPF_BOOT_AUTOCONF | UPF_SKIP_TEST
#endif
#define PORT(_base,_irq) \
{ \
.iobase = _base, \
.irq = _irq, \
.uartclk = 1843200, \
.iotype = UPIO_PORT, \
.flags = MCA_FLAGS, \
}
static struct plat_serial8250_port mca_data[] = {
PORT(0x3220, 3),
PORT(0x3228, 3),
PORT(0x4220, 3),
PORT(0x4228, 3),
PORT(0x5220, 3),
PORT(0x5228, 3),
{ },
};
static struct platform_device mca_device = {
.name = "serial8250",
.id = PLAT8250_DEV_MCA,
.dev = {
.platform_data = mca_data,
},
};
static int __init mca_init(void)
{
if (!MCA_bus)
return -ENODEV;
return platform_device_register(&mca_device);
}
module_init(mca_init);
MODULE_AUTHOR("Russell King");
MODULE_DESCRIPTION("8250 serial probe module for MCA ports");
MODULE_LICENSE("GPL");

9
drivers/tty/serial/8250/Kconfig
View file

@ -241,15 +241,6 @@ config SERIAL_8250_RSA
help
::: To be written :::
config SERIAL_8250_MCA
tristate "Support 8250-type ports on MCA buses"
depends on SERIAL_8250 != n && MCA
help
Say Y here if you have a MCA serial ports.
To compile this driver as a module, choose M here: the module
will be called 8250_mca.
config SERIAL_8250_ACORN
tristate "Acorn expansion card serial port support"
depends on ARCH_ACORN && SERIAL_8250

1
drivers/tty/serial/8250/Makefile
View file

@ -15,6 +15,5 @@ obj-$(CONFIG_SERIAL_8250_ACCENT) += 8250_accent.o
obj-$(CONFIG_SERIAL_8250_BOCA) += 8250_boca.o
obj-$(CONFIG_SERIAL_8250_EXAR_ST16C554) += 8250_exar_st16c554.o
obj-$(CONFIG_SERIAL_8250_HUB6) += 8250_hub6.o
obj-$(CONFIG_SERIAL_8250_MCA) += 8250_mca.o
obj-$(CONFIG_SERIAL_8250_FSL) += 8250_fsl.o
obj-$(CONFIG_SERIAL_8250_DW) += 8250_dw.o