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| author | Jan Kiszka <jan.kiszka@siemens.com> | 2018-08-26 20:49:32 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-18 16:22:15 +0300 |
| commit | e0bf2d4982fe7d9ddaf550dd023803ea286f47fc (patch) | |
| tree | 26027cba68693f2a4c197ff8c67df69ede339314 /drivers/idle | |
| parent | 7876320f88802b22d4e2daf7eb027dd14175a0f8 (diff) | |
| download | linux-e0bf2d4982fe7d9ddaf550dd023803ea286f47fc.tar.xz | |
serial: mvebu-uart: Fix reporting of effective CSIZE to userspace
Apparently, this driver (or the hardware) does not support character
length settings. It's apparently running in 8-bit mode, but it makes
userspace believe it's in 5-bit mode. That makes tcsetattr with CS8
incorrectly fail, breaking e.g. getty from busybox, thus the login shell
on ttyMVx.
Fix by hard-wiring CS8 into c_cflag.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Fixes: 30530791a7a0 ("serial: mvebu-uart: initial support for Armada-3700 serial port")
Cc: stable <stable@vger.kernel.org> # 4.6+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/idle')
0 files changed, 0 insertions, 0 deletions