diff options
| author | Lanqing Liu <liuhhome@gmail.com> | 2019-09-19 11:10:37 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-04 14:50:01 +0200 |
| commit | 39f809192661be91fabc3ee77c2e15f9123c11cf (patch) | |
| tree | a7f472940490996f1c68db09c4fa3db338a9f1f0 /drivers/tty/serial/dz.h | |
| parent | 76c38d30fee7907289c1951e6dc6e10ead12f4e1 (diff) | |
serial: sprd: Add polling IO support
In order to access the UART without the interrupts, the kernel uses
the basic polling methods for IO with the device. With these methods
implemented, it is now possible to enable kgdb during early boot over serial.
Signed-off-by: Lanqing Liu <liuhhome@gmail.com>
Reviewed-by: Baolin Wang <baolin.wang@linaro.org>
Tested-by: Baolin Wang <baolin.wang@linaro.org>
Link: https://lore.kernel.org/r/f112a741c053ac5fb0637e2f058be81e17f78ccc.1568862391.git.liuhhome@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/dz.h')
0 files changed, 0 insertions, 0 deletions