|
788 | 788 | Documentation/networking/netconsole.rst for an
|
789 | 789 | alternative.
|
790 | 790 |
|
791 |
| - <DEVNAME>:<n>.<n>[,options] |
792 |
| - Use the specified serial port on the serial core bus. |
793 |
| - The addressing uses DEVNAME of the physical serial port |
794 |
| - device, followed by the serial core controller instance, |
795 |
| - and the serial port instance. The options are the same |
796 |
| - as documented for the ttyS addressing above. |
797 |
| - |
798 |
| - The mapping of the serial ports to the tty instances |
799 |
| - can be viewed with: |
800 |
| - |
801 |
| - $ ls -d /sys/bus/serial-base/devices/*:*.*/tty/* |
802 |
| - /sys/bus/serial-base/devices/00:04:0.0/tty/ttyS0 |
803 |
| - |
804 |
| - In the above example, the console can be addressed with |
805 |
| - console=00:04:0.0. Note that a console addressed this |
806 |
| - way will only get added when the related device driver |
807 |
| - is ready. The use of an earlycon parameter in addition to |
808 |
| - the console may be desired for console output early on. |
809 |
| - |
810 | 791 | uart[8250],io,<addr>[,options]
|
811 | 792 | uart[8250],mmio,<addr>[,options]
|
812 | 793 | uart[8250],mmio16,<addr>[,options]
|
|
1921 | 1902 | Format:
|
1922 | 1903 | <bus_id>,<clkrate>
|
1923 | 1904 |
|
| 1905 | + i2c_touchscreen_props= [HW,ACPI,X86] |
| 1906 | + Set device-properties for ACPI-enumerated I2C-attached |
| 1907 | + touchscreen, to e.g. fix coordinates of upside-down |
| 1908 | + mounted touchscreens. If you need this option please |
| 1909 | + submit a drivers/platform/x86/touchscreen_dmi.c patch |
| 1910 | + adding a DMI quirk for this. |
| 1911 | + |
| 1912 | + Format: |
| 1913 | + <ACPI_HW_ID>:<prop_name>=<val>[:prop_name=val][:...] |
| 1914 | + Where <val> is one of: |
| 1915 | + Omit "=<val>" entirely Set a boolean device-property |
| 1916 | + Unsigned number Set a u32 device-property |
| 1917 | + Anything else Set a string device-property |
| 1918 | + |
| 1919 | + Examples (split over multiple lines): |
| 1920 | + i2c_touchscreen_props=GDIX1001:touchscreen-inverted-x: |
| 1921 | + touchscreen-inverted-y |
| 1922 | + |
| 1923 | + i2c_touchscreen_props=MSSL1680:touchscreen-size-x=1920: |
| 1924 | + touchscreen-size-y=1080:touchscreen-inverted-y: |
| 1925 | + firmware-name=gsl1680-vendor-model.fw:silead,home-button |
| 1926 | + |
1924 | 1927 | i8042.debug [HW] Toggle i8042 debug mode
|
1925 | 1928 | i8042.unmask_kbd_data
|
1926 | 1929 | [HW] Enable printing of interrupt data from the KBD port
|
|
2170 | 2173 | Format: 0 | 1
|
2171 | 2174 | Default set by CONFIG_INIT_ON_FREE_DEFAULT_ON.
|
2172 | 2175 |
|
2173 |
| - init_mlocked_on_free= [MM] Fill freed userspace memory with zeroes if |
2174 |
| - it was mlock'ed and not explicitly munlock'ed |
2175 |
| - afterwards. |
2176 |
| - Format: 0 | 1 |
2177 |
| - Default set by CONFIG_INIT_MLOCKED_ON_FREE_DEFAULT_ON |
2178 |
| - |
2179 | 2176 | init_pkru= [X86] Specify the default memory protection keys rights
|
2180 | 2177 | register contents for all processes. 0x55555554 by
|
2181 | 2178 | default (disallow access to all but pkey 0). Can
|
|
0 commit comments