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(parent: e854731) | patch
tty/serial: add arm/arm64 semihosting earlycon
authorRob Herring <robh@kernel.org>
Fri, 18 Apr 2014 22:19:58 +0000 (17:19 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 24 Apr 2014 23:32:27 +0000 (16:32 -0700)
commit9efe27c20349f475f07d5d8dc5048af476617f6c
tree7095e7a34467771f9b0e3c2f113cbeb6e7ff5145tree | snapshot
parente8547317d590e6cc41de29f4d0d157976091fcc6commit | diff
tty/serial: add arm/arm64 semihosting earlycon

Add earlycon support for the arm/arm64 semihosting debug serial
interface. This allows enabling a debug console when early_params are
processed. This is based on the arm64 earlyprintk smh support and is
intended to replace it.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Documentation/kernel-parameters.txt diff | blob | history
drivers/tty/serial/Kconfig diff | blob | history
drivers/tty/serial/Makefile diff | blob | history
drivers/tty/serial/earlycon-arm-semihost.c [new file with mode: 0644] blob
Linux Kernel Source Tree.