gpio: struct device - replace bus_id with dev_name(), dev_set_name()

[linux-2.6-omap-h63xx.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index c9115c1b672c6e9eadb9ce59c2c198fea024823c..a2d8805c03d5588f317a9677add758c94051e6a6 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -89,6 +89,7 @@ parameter is applicable:
        SPARC   Sparc architecture is enabled.
        SWSUSP  Software suspend (hibernation) is enabled.
        SUSPEND System suspend states are enabled.
        SPARC   Sparc architecture is enabled.
        SWSUSP  Software suspend (hibernation) is enabled.
        SUSPEND System suspend states are enabled.

+       FTRACE  Function tracing enabled.

        TS      Appropriate touchscreen support is enabled.
        USB     USB support is enabled.
        USBHID  USB Human Interface Device support is enabled.
        TS      Appropriate touchscreen support is enabled.
        USB     USB support is enabled.
        USBHID  USB Human Interface Device support is enabled.


@@ -753,6 +754,14 @@ and is between 256 and 4096 characters. It is defined in the file
                        parameter will force ia64_sal_cache_flush to call
                        ia64_pal_cache_flush instead of SAL_CACHE_FLUSH.
 
                        parameter will force ia64_sal_cache_flush to call
                        ia64_pal_cache_flush instead of SAL_CACHE_FLUSH.
 

+       ftrace=[tracer]
+                       [ftrace] will set and start the specified tracer
+                       as early as possible in order to facilitate early
+                       boot debugging.
+
+       ftrace_dump_on_oops
+                       [ftrace] will dump the trace buffers on oops.
+

        gamecon.map[2|3]=
                        [HW,JOY] Multisystem joystick and NES/SNES/PSX pad
                        support via parallel port (up to 5 devices per port)
        gamecon.map[2|3]=
                        [HW,JOY] Multisystem joystick and NES/SNES/PSX pad
                        support via parallel port (up to 5 devices per port)


@@ -814,6 +823,9 @@ and is between 256 and 4096 characters. It is defined in the file
 
        hlt             [BUGS=ARM,SH]
 
 
        hlt             [BUGS=ARM,SH]
 

+       hvc_iucv=       [S390] Number of z/VM IUCV Hypervisor console (HVC)
+                              back-ends. Valid parameters: 0..8
+

        i8042.debug     [HW] Toggle i8042 debug mode
        i8042.direct    [HW] Put keyboard port into non-translated mode
        i8042.dumbkbd   [HW] Pretend that controller can only read data from
        i8042.debug     [HW] Toggle i8042 debug mode
        i8042.direct    [HW] Put keyboard port into non-translated mode
        i8042.dumbkbd   [HW] Pretend that controller can only read data from


@@ -1396,7 +1408,20 @@ and is between 256 and 4096 characters. It is defined in the file
                        when a NMI is triggered.
                        Format: [state][,regs][,debounce][,die]
 
                        when a NMI is triggered.
                        Format: [state][,regs][,debounce][,die]
 

-       nmi_watchdog=   [KNL,BUGS=X86-32] Debugging features for SMP kernels
+       nmi_watchdog=   [KNL,BUGS=X86-32,X86-64] Debugging features for SMP kernels
+                       Format: [panic,][num]
+                       Valid num: 0,1,2
+                       0 - turn nmi_watchdog off
+                       1 - use the IO-APIC timer for the NMI watchdog
+                       2 - use the local APIC for the NMI watchdog using
+                       a performance counter. Note: This will use one performance
+                       counter and the local APIC's performance vector.
+                       When panic is specified panic when an NMI watchdog timeout occurs.
+                       This is useful when you use a panic=... timeout and need the box
+                       quickly up again.
+                       Instead of 1 and 2 it is possible to use the following
+                       symbolic names: lapic and ioapic
+                       Example: nmi_watchdog=2 or nmi_watchdog=panic,lapic

 
        no387           [BUGS=X86-32] Tells the kernel to use the 387 maths
                        emulation library even if a 387 maths coprocessor
 
        no387           [BUGS=X86-32] Tells the kernel to use the 387 maths
                        emulation library even if a 387 maths coprocessor


@@ -1452,6 +1477,10 @@ and is between 256 and 4096 characters. It is defined in the file
                        instruction doesn't work correctly and not to
                        use it.
 
                        instruction doesn't work correctly and not to
                        use it.
 

+       no_file_caps    Tells the kernel not to honor file capabilities.  The
+                       only way then for a file to be executed with privilege
+                       is to be setuid root or executed by root.
+

        nohalt          [IA-64] Tells the kernel not to use the power saving
                        function PAL_HALT_LIGHT when idle. This increases
                        power-consumption. On the positive side, it reduces
        nohalt          [IA-64] Tells the kernel not to use the power saving
                        function PAL_HALT_LIGHT when idle. This increases
                        power-consumption. On the positive side, it reduces


@@ -1629,6 +1658,17 @@ and is between 256 and 4096 characters. It is defined in the file
                nomsi           [MSI] If the PCI_MSI kernel config parameter is
                                enabled, this kernel boot option can be used to
                                disable the use of MSI interrupts system-wide.
                nomsi           [MSI] If the PCI_MSI kernel config parameter is
                                enabled, this kernel boot option can be used to
                                disable the use of MSI interrupts system-wide.

+               noioapicquirk   [APIC] Disable all boot interrupt quirks.
+                               Safety option to keep boot IRQs enabled. This
+                               should never be necessary.
+               ioapicreroute   [APIC] Enable rerouting of boot IRQs to the
+                               primary IO-APIC for bridges that cannot disable
+                               boot IRQs. This fixes a source of spurious IRQs
+                               when the system masks IRQs.
+               noioapicreroute [APIC] Disable workaround that uses the
+                               boot IRQ equivalent of an IRQ that connects to
+                               a chipset where boot IRQs cannot be disabled.
+                               The opposite of ioapicreroute.

                biosirq         [X86-32] Use PCI BIOS calls to get the interrupt
                                routing table. These calls are known to be buggy
                                on several machines and they hang the machine
                biosirq         [X86-32] Use PCI BIOS calls to get the interrupt
                                routing table. These calls are known to be buggy
                                on several machines and they hang the machine


@@ -2168,6 +2208,9 @@ and is between 256 and 4096 characters. It is defined in the file
        st=             [HW,SCSI] SCSI tape parameters (buffers, etc.)
                        See Documentation/scsi/st.txt.
 
        st=             [HW,SCSI] SCSI tape parameters (buffers, etc.)
                        See Documentation/scsi/st.txt.
 

+       stacktrace      [FTRACE]
+                       Enabled the stack tracer on boot up.
+

        sti=            [PARISC,HW]
                        Format: <num>
                        Set the STI (builtin display/keyboard on the HP-PARISC
        sti=            [PARISC,HW]
                        Format: <num>
                        Set the STI (builtin display/keyboard on the HP-PARISC


@@ -2252,12 +2295,27 @@ and is between 256 and 4096 characters. It is defined in the file
                        See comment before function dc390_setup() in
                        drivers/scsi/tmscsim.c.
 
                        See comment before function dc390_setup() in
                        drivers/scsi/tmscsim.c.
 

+       topology=       [S390]
+                       Format: {off | on}
+                       Specify if the kernel should make use of the cpu
+                       topology informations if the hardware supports these.
+                       The scheduler will make use of these informations and
+                       e.g. base its process migration decisions on it.
+                       Default is off.
+

        tp720=          [HW,PS2]
 
        trix=           [HW,OSS] MediaTrix AudioTrix Pro
                        Format:
                        <io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq>
 
        tp720=          [HW,PS2]
 
        trix=           [HW,OSS] MediaTrix AudioTrix Pro
                        Format:
                        <io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq>
 

+       tsc=            Disable clocksource-must-verify flag for TSC.
+                       Format: <string>
+                       [x86] reliable: mark tsc clocksource as reliable, this
+                       disables clocksource verification at runtime.
+                       Used to enable high-resolution timer mode on older
+                       hardware, and in virtualized environment.
+

        turbografx.map[2|3]=    [HW,JOY]
                        TurboGraFX parallel port interface
                        Format:
        turbografx.map[2|3]=    [HW,JOY]
                        TurboGraFX parallel port interface
                        Format: