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-rw-r--r--Documentation/kernel-parameters.txt5
-rw-r--r--arch/i386/kernel/Makefile1
-rw-r--r--arch/i386/kernel/legacy_serial.c67
-rw-r--r--arch/x86_64/kernel/Makefile2
-rw-r--r--drivers/serial/Kconfig14
-rw-r--r--include/asm-i386/serial.h16
-rw-r--r--include/asm-x86_64/serial.h16
7 files changed, 37 insertions, 84 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index d763ebe11afe..efdb42fd3fb8 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -864,11 +864,6 @@ and is between 256 and 4096 characters. It is defined in the file
lasi= [HW,SCSI] PARISC LASI driver for the 53c700 chip
Format: addr:<io>,irq:<irq>
- legacy_serial.force [HW,X86-32,X86-64]
- Probe for COM ports at legacy addresses even
- if PNPBIOS or ACPI should describe them. This
- is for working around firmware defects.
-
load_ramdisk= [RAM] List of ramdisks to load from floppy
See Documentation/ramdisk.txt.
diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile
index dbe5e87e0d66..9d33b00de659 100644
--- a/arch/i386/kernel/Makefile
+++ b/arch/i386/kernel/Makefile
@@ -35,7 +35,6 @@ obj-y += sysenter.o vsyscall.o
obj-$(CONFIG_ACPI_SRAT) += srat.o
obj-$(CONFIG_EFI) += efi.o efi_stub.o
obj-$(CONFIG_DOUBLEFAULT) += doublefault.o
-obj-$(CONFIG_SERIAL_8250) += legacy_serial.o
obj-$(CONFIG_VM86) += vm86.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_HPET_TIMER) += hpet.o
diff --git a/arch/i386/kernel/legacy_serial.c b/arch/i386/kernel/legacy_serial.c
deleted file mode 100644
index 21510118544e..000000000000
--- a/arch/i386/kernel/legacy_serial.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Legacy COM port devices for x86 platforms without PNPBIOS or ACPI.
- * Data taken from include/asm-i386/serial.h.
- *
- * (c) Copyright 2007 Hewlett-Packard Development Company, L.P.
- * Bjorn Helgaas <bjorn.helgaas@hp.com>
- *
- * 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/pnp.h>
-#include <linux/serial_8250.h>
-
-/* Standard COM flags (except for COM4, because of the 8514 problem) */
-#ifdef CONFIG_SERIAL_DETECT_IRQ
-#define COM_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ)
-#define COM4_FLAGS (UPF_BOOT_AUTOCONF | UPF_AUTO_IRQ)
-#else
-#define COM_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST)
-#define COM4_FLAGS UPF_BOOT_AUTOCONF
-#endif
-
-#define PORT(_base,_irq,_flags) \
- { \
- .iobase = _base, \
- .irq = _irq, \
- .uartclk = 1843200, \
- .iotype = UPIO_PORT, \
- .flags = _flags, \
- }
-
-static struct plat_serial8250_port x86_com_data[] = {
- PORT(0x3F8, 4, COM_FLAGS),
- PORT(0x2F8, 3, COM_FLAGS),
- PORT(0x3E8, 4, COM_FLAGS),
- PORT(0x2E8, 3, COM4_FLAGS),
- { },
-};
-
-static struct platform_device x86_com_device = {
- .name = "serial8250",
- .id = PLAT8250_DEV_PLATFORM,
- .dev = {
- .platform_data = x86_com_data,
- },
-};
-
-static int force_legacy_probe;
-module_param_named(force, force_legacy_probe, bool, 0);
-MODULE_PARM_DESC(force, "Force legacy serial port probe");
-
-static int __init serial8250_x86_com_init(void)
-{
- if (pnp_platform_devices && !force_legacy_probe)
- return -ENODEV;
-
- return platform_device_register(&x86_com_device);
-}
-
-module_init(serial8250_x86_com_init);
-
-MODULE_AUTHOR("Bjorn Helgaas");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Generic 8250/16x50 legacy probe module");
diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile
index d1d18c1ea0f4..ff5d8c9b96d9 100644
--- a/arch/x86_64/kernel/Makefile
+++ b/arch/x86_64/kernel/Makefile
@@ -32,7 +32,6 @@ obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_IOMMU) += pci-gart.o aperture.o
obj-$(CONFIG_CALGARY_IOMMU) += pci-calgary.o tce.o
obj-$(CONFIG_SWIOTLB) += pci-swiotlb.o
-obj-$(CONFIG_SERIAL_8250) += legacy_serial.o
obj-$(CONFIG_KPROBES) += kprobes.o
obj-$(CONFIG_X86_PM_TIMER) += pmtimer.o
obj-$(CONFIG_X86_VSMP) += vsmp.o
@@ -51,7 +50,6 @@ CFLAGS_vsyscall.o := $(PROFILING) -g0
therm_throt-y += ../../i386/kernel/cpu/mcheck/therm_throt.o
bootflag-y += ../../i386/kernel/bootflag.o
-legacy_serial-y += ../../i386/kernel/legacy_serial.o
cpuid-$(subst m,y,$(CONFIG_X86_CPUID)) += ../../i386/kernel/cpuid.o
topology-y += ../../i386/kernel/topology.o
microcode-$(subst m,y,$(CONFIG_MICROCODE)) += ../../i386/kernel/microcode.o
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 18f629706448..819fc3efc468 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -88,21 +88,17 @@ config SERIAL_8250_PCI
depends on SERIAL_8250 && PCI
default SERIAL_8250
help
- Say Y here if you have PCI serial ports.
-
- To compile this driver as a module, choose M here: the module
- will be called 8250_pci.
+ This builds standard PCI serial support. You may be able to
+ disable this feature if you only need legacy serial support.
+ Saves about 9K.
config SERIAL_8250_PNP
tristate "8250/16550 PNP device support" if EMBEDDED
depends on SERIAL_8250 && PNP
default SERIAL_8250
help
- Say Y here if you have serial ports described by PNPBIOS or ACPI.
- These are typically ports built into the system board.
-
- To compile this driver as a module, choose M here: the module
- will be called 8250_pnp.
+ This builds standard PNP serial support. You may be able to
+ disable this feature if you only need legacy serial support.
config SERIAL_8250_HP300
tristate
diff --git a/include/asm-i386/serial.h b/include/asm-i386/serial.h
index 57a4306cdf63..bd67480ca109 100644
--- a/include/asm-i386/serial.h
+++ b/include/asm-i386/serial.h
@@ -11,3 +11,19 @@
* megabits/second; but this requires the faster clock.
*/
#define BASE_BAUD ( 1843200 / 16 )
+
+/* Standard COM flags (except for COM4, because of the 8514 problem) */
+#ifdef CONFIG_SERIAL_DETECT_IRQ
+#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
+#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
+#else
+#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
+#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
+#endif
+
+#define SERIAL_PORT_DFNS \
+ /* UART CLK PORT IRQ FLAGS */ \
+ { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
+ { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
+ { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
+ { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */
diff --git a/include/asm-x86_64/serial.h b/include/asm-x86_64/serial.h
index 8ebd765c674a..b0496e0d72a6 100644
--- a/include/asm-x86_64/serial.h
+++ b/include/asm-x86_64/serial.h
@@ -11,3 +11,19 @@
* megabits/second; but this requires the faster clock.
*/
#define BASE_BAUD ( 1843200 / 16 )
+
+/* Standard COM flags (except for COM4, because of the 8514 problem) */
+#ifdef CONFIG_SERIAL_DETECT_IRQ
+#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ)
+#define STD_COM4_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_AUTO_IRQ)
+#else
+#define STD_COM_FLAGS (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST)
+#define STD_COM4_FLAGS ASYNC_BOOT_AUTOCONF
+#endif
+
+#define SERIAL_PORT_DFNS \
+ /* UART CLK PORT IRQ FLAGS */ \
+ { 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
+ { 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
+ { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
+ { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */