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DateFri, 11 Nov 2005 02:35:57 -0600
FromMatt Mackall <>
Subject[PATCH 15/15] misc: Configurable support for PCI serial ports
Configurable support for PCI serial devices

This allows disabling support for _non_-legacy PCI serial devices.

   text    data     bss     dec     hex filename
3332260  529420  190812 4052492  3dd60c vmlinux
3327944  523060  190812 4041816  3dac58 vmlinux-pci-serial

Signed-off-by: Matt Mackall <mpm@selenic.com>

Index: 2.6.14-misc/drivers/serial/Makefile
===================================================================
--- 2.6.14-misc.orig/drivers/serial/Makefile	2005-10-27 17:02:08.000000000 -0700
+++ 2.6.14-misc/drivers/serial/Makefile	2005-11-09 11:27:28.000000000 -0800
@@ -8,7 +8,7 @@ serial-8250-y :=
 serial-8250-$(CONFIG_SERIAL_8250_ACPI) += 8250_acpi.o
 serial-8250-$(CONFIG_PNP) += 8250_pnp.o
 serial-8250-$(CONFIG_GSC) += 8250_gsc.o
-serial-8250-$(CONFIG_PCI) += 8250_pci.o
+serial-8250-$(CONFIG_SERIAL_PCI) += 8250_pci.o
 serial-8250-$(CONFIG_HP300) += 8250_hp300.o
 
 obj-$(CONFIG_SERIAL_CORE) += serial_core.o
Index: 2.6.14-misc/init/Kconfig
===================================================================
--- 2.6.14-misc.orig/init/Kconfig	2005-11-09 11:27:26.000000000 -0800
+++ 2.6.14-misc/init/Kconfig	2005-11-09 11:27:28.000000000 -0800
@@ -473,6 +473,15 @@ config BOOTFLAG
 	help
 	  This enables support for the Simple Bootflag Specification.
 
+config SERIAL_PCI
+	depends PCI && SERIAL_8250
+	default y
+	bool "Enable standard PCI serial support" if EMBEDDED
+	help
+	  This builds standard PCI serial support. You may be able to disable
+          this feature if you are only need legacy serial support.
+	  Saves about 9K.
+
 endmenu		# General setup
 
 config TINY_SHMEM
-
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