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fix warning:
arch/x86/kernel/early_printk.c:993: warning: ‘enable_debug_console’ defined but not used
Eliminate dead code.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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arch/x86/kernel/early_printk.c:404:13: warning: incorrect type in assignment (different base types)
arch/x86/kernel/early_printk.c:404:13: expected restricted __le16 [assigned] [usertype] wValue
arch/x86/kernel/early_printk.c:404:13: got int [signed] value
arch/x86/kernel/early_printk.c:405:13: warning: incorrect type in assignment (different base types)
arch/x86/kernel/early_printk.c:405:13: expected restricted __le16 [assigned] [usertype] wIndex
arch/x86/kernel/early_printk.c:405:13: got int [signed] index
arch/x86/kernel/early_printk.c:406:14: warning: incorrect type in assignment (different base types)
arch/x86/kernel/early_printk.c:406:14: expected restricted __le16 [assigned] [usertype] wLength
arch/x86/kernel/early_printk.c:406:14: got int [signed] size
arch/x86/kernel/early_printk.c:845:16: warning: Using plain integer as NULL pointer
arch/x86/kernel/early_printk.c:992:13: warning: symbol 'enable_debug_console' was not declared. Should it be static?
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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based on work from Eric, and add some timeout so don't dead loop when debug
device is not installed
v2: fix checkpatch warning
v3: move ehci struct def to linux/usrb/ehci_def.h from host/ehci.h
also add CONFIG_EARLY_PRINTK_DBGP to disable it by default
v4: address comments from Ingo, seperate ehci reg def moving to another patch
also add auto detect port that connect to debug device for Nvidia
southbridge
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: "Arjan van de Ven" <arjan@infradead.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: "Greg KH" <greg@kroah.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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It's not explicitly marked as asmlinkage, but invoked from x86_32
startup code with parameters on stack.
No other architectures define early_printk and none of them are affected
by this change, since defines asmlinkage as empty token.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Depends on:
[PATCH 2/3] x86: coding style fixes to arch/x86/kernel/early_printk.c
Remove two:
ERROR: do not initialise statics to 0 or NULL
paolo@paolo-desktop:/tmp/c$ size *
text data bss dec hex filename
1172 280 12 1464 5b8 early_printk.o.after
1172 280 12 1464 5b8 early_printk.o.before
This patch is changing the binary output:
paolo@paolo-desktop:/tmp/c$ md5sum *
dad9a9a881e0eeda62cc5645bd3d7cad early_printk.o.after
da32f5cd8f248970e4809e1005393e95 early_printk.o.before
because the two variables moved to another section. No
change in functionality.
Signed-off-by: Paolo Ciarrocchi <paolo.ciarrocchi@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Before:
total: 17 errors, 3 warnings, 254 lines checked
After:
total: 2 errors, 3 warnings, 254 lines checked
paolo@paolo-desktop:/tmp/b$ md5sum *
da32f5cd8f248970e4809e1005393e95 early_printk.o.after
da32f5cd8f248970e4809e1005393e95 early_printk.o.before
paolo@paolo-desktop:/tmp/b$ size *
text data bss dec hex filename
1172 280 12 1464 5b8 early_printk.o.after
1172 280 12 1464 5b8 early_printk.o.befor
Signed-off-by: Paolo Ciarrocchi <paolo.ciarrocchi@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Not necessary to expose it, also fixes sparse warning.
arch/x86/kernel/early_printk.c:196:16: warning: symbol 'early_console' was not declared. Should it be static?
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Instead of using magic macros for boot_params access, simply use the
boot_params structure.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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