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authorVlad Lungu <vlad.lungu@windriver.com>2013-10-17 14:08:06 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-10-19 19:47:37 -0700
commit0c0c47bc40a2e358d593b2d7fb93b50027fbfc0c (patch)
tree1f38689bc64044ba087c7394079c7a62d81c81fa /drivers/sn
parentc03cae1791407f4f4f9bc6b0354ecaeb50df787f (diff)
downloadop-kernel-dev-0c0c47bc40a2e358d593b2d7fb93b50027fbfc0c.zip
op-kernel-dev-0c0c47bc40a2e358d593b2d7fb93b50027fbfc0c.tar.gz
tty: xuartps: Implement BREAK detection, add SYSRQ support
The Cadence UART does not do break detection, even if the datasheet says it does. This patch adds break detection in software (tested in 8N1 mode only) and enables SYSRQ, allowing for Break-g to enter KDB and all the other goodies. Signed-off-by: Vlad Lungu <vlad.lungu@windriver.com> Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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