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author | Yixun Lan <dlan@gentoo.org> | 2017-09-06 21:52:39 +0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-09-18 18:31:48 +0200 |
commit | b86ac225037900963b1203344e5d129f5af6bbd2 (patch) | |
tree | 4c0e0ccf9cb5323dd631752d2bf2de5d2a880807 /drivers/tty/tty_port.c | |
parent | 2bd6bf03f4c1c59381d62c61d03f6cc3fe71f66e (diff) | |
download | linux-b86ac225037900963b1203344e5d129f5af6bbd2.tar.gz linux-b86ac225037900963b1203344e5d129f5af6bbd2.tar.bz2 linux-b86ac225037900963b1203344e5d129f5af6bbd2.zip |
serial: meson: add Magic SysRq support
This dirver try to implement the Magic SysRq support[1] for
Amlogic Inc's meson platfo
>From the hardware perspective, the UART IP can't detect the 'BREAK' command
clearly via the status register. Instead, we rely on the combination of
'FRAME_ERR bit && ch == 0', and it works fine.
[1] Documentation/admin-guide/sysrq.rst
Signed-off-by: Yixun Lan <dlan@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/tty_port.c')
0 files changed, 0 insertions, 0 deletions