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Subject[CFT:PATCH] Removing possible wrong asm/serial.h inclusions
asm/serial.h is supposed to contain the definitions for the architecture
specific 8250 ports for the 8250 driver. It may also define BASE_BAUD,
but this is the base baud for the architecture specific ports _only_.

Therefore, nothing other than the 8250 driver should be including this
header file. In order to move towards this goal, here is a patch which
removes some of the more obvious incorrect includes of the file.

MIPS and PPC has rather a lot of stuff in asm/serial.h, some of it looks
related to non-8250 ports. Hence, it's not trivial to conclude that
these includes are indeed unnecessary, so can mips and ppc people please
test this patch carefully.

Thanks.

diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c
--- a/arch/frv/kernel/setup.c
+++ b/arch/frv/kernel/setup.c
@@ -31,7 +31,6 @@
#include <linux/serial_reg.h>

#include <asm/setup.h>
-#include <asm/serial.h>
#include <asm/irq.h>
#include <asm/sections.h>
#include <asm/pgalloc.h>
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -54,7 +54,6 @@
#include <asm/processor.h>
#include <asm/sal.h>
#include <asm/sections.h>
-#include <asm/serial.h>
#include <asm/setup.h>
#include <asm/smp.h>
#include <asm/system.h>
diff --git a/arch/mips/cobalt/setup.c b/arch/mips/cobalt/setup.c
--- a/arch/mips/cobalt/setup.c
+++ b/arch/mips/cobalt/setup.c
@@ -23,7 +23,6 @@
#include <asm/processor.h>
#include <asm/reboot.h>
#include <asm/gt64120.h>
-#include <asm/serial.h>

#include <asm/mach-cobalt/cobalt.h>

diff --git a/arch/mips/lasat/setup.c b/arch/mips/lasat/setup.c
--- a/arch/mips/lasat/setup.c
+++ b/arch/mips/lasat/setup.c
@@ -34,7 +34,6 @@
#include <asm/cpu.h>
#include <asm/bootinfo.h>
#include <asm/irq.h>
-#include <asm/serial.h>
#include <asm/lasat/lasat.h>
#include <asm/lasat/serial.h>

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -51,7 +51,6 @@
#include <asm/system.h>
#include <asm/rtas.h>
#include <asm/iommu.h>
-#include <asm/serial.h>
#include <asm/cache.h>
#include <asm/page.h>
#include <asm/mmu.h>
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -38,7 +38,6 @@
#include <asm/nvram.h>
#include <asm/xmon.h>
#include <asm/time.h>
-#include <asm/serial.h>
#include <asm/udbg.h>

#include "setup.h"
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -51,7 +51,6 @@
#include <asm/system.h>
#include <asm/rtas.h>
#include <asm/iommu.h>
-#include <asm/serial.h>
#include <asm/cache.h>
#include <asm/page.h>
#include <asm/mmu.h>
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -57,7 +57,6 @@
#include <linux/netdevice.h>
#include <linux/vmalloc.h>
#include <linux/init.h>
-#include <asm/serial.h>
#include <linux/delay.h>
#include <linux/ioctl.h>

diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -87,7 +87,6 @@

#include <linux/vmalloc.h>
#include <linux/init.h>
-#include <asm/serial.h>

#include <linux/delay.h>
#include <linux/ioctl.h>
diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -76,17 +76,16 @@
*/
#define is_real_interrupt(irq) ((irq) != 0)

-#include <asm/serial.h>
+#define BASE_BAUD 115200

/* Standard COM flags */
#define STD_COM_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST)

/*
* SERIAL_PORT_DFNS tells us about built-in ports that have no
* standard enumeration mechanism. Platforms that can find all
* serial ports via mechanisms like ACPI or PCI need not supply it.
*/
-#undef SERIAL_PORT_DFNS
#if defined(CONFIG_PLAT_USRV)

#define SERIAL_PORT_DFNS \
@@ -109,7 +108,7 @@
#endif /* !CONFIG_PLAT_USRV */

static struct old_serial_port old_serial_port[] = {
- SERIAL_PORT_DFNS /* defined in asm/serial.h */
+ SERIAL_PORT_DFNS
};

#define UART_NR ARRAY_SIZE(old_serial_port)
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
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