Merge tag 'sound-3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...
[cascardo/linux.git] / Documentation / kernel-parameters.txt
index 2b64fb2..af55e13 100644 (file)
@@ -214,6 +214,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        unusable.  The "log_buf_len" parameter may be useful
                        if you need to capture more output.
 
+       acpi_force_table_verification   [HW,ACPI]
+                       Enable table checksum verification during early stage.
+                       By default, this is disabled due to x86 early mapping
+                       size limitation.
+
        acpi_irq_balance [HW,ACPI]
                        ACPI will balance active IRQs
                        default in APIC mode
@@ -237,7 +242,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        This feature is enabled by default.
                        This option allows to turn off the feature.
 
-       acpi_no_auto_ssdt       [HW,ACPI] Disable automatic loading of SSDT
+       acpi_no_static_ssdt     [HW,ACPI]
+                       Disable installation of static SSDTs at early boot time
+                       By default, SSDTs contained in the RSDT/XSDT will be
+                       installed automatically and they will appear under
+                       /sys/firmware/acpi/tables.
+                       This option turns off this feature.
+                       Note that specifying this option does not affect
+                       dynamic table installation which will install SSDT
+                       tables to /sys/firmware/acpi/tables/dynamic.
 
        acpica_no_return_repair [HW, ACPI]
                        Disable AML predefined validation mechanism
@@ -883,6 +896,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        which are not unmapped.
 
        earlycon=       [KNL] Output early console device and options.
+
                uart[8250],io,<addr>[,options]
                uart[8250],mmio,<addr>[,options]
                uart[8250],mmio32,<addr>[,options]
@@ -892,7 +906,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        (mmio) or 32-bit (mmio32).
                        The options are the same as for ttyS, above.
 
-       earlyprintk=    [X86,SH,BLACKFIN,ARM]
+               pl011,<addr>
+                       Start an early, polled-mode console on a pl011 serial
+                       port at the specified address. The pl011 serial port
+                       must already be setup and configured. Options are not
+                       yet supported.
+
+               smh     Use ARM semihosting calls for early console.
+
+       earlyprintk=    [X86,SH,BLACKFIN,ARM,M68k]
                        earlyprintk=vga
                        earlyprintk=efi
                        earlyprintk=xen
@@ -3468,7 +3490,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        the allocated input device; If set to 0, video driver
                        will only send out the event without touching backlight
                        brightness level.
-                       default: 1
+                       default: 0
 
        virtio_mmio.device=
                        [VMMIO] Memory mapped virtio (platform) device.