Re: [PATCH] serial: sprd: Add polling IO support

2019-09-18 Thread hhome liu
Baolin Wang 于2019年9月18日周三 下午8:10写道: > > Hi Lanqing, > > On Wed, 18 Sep 2019 at 16:16, Lanqing Liu wrote: > > > > 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 enab

Re: [PATCH] serial: sprd: Add polling IO support

2019-09-18 Thread Baolin Wang
Hi Lanqing, On Wed, 18 Sep 2019 at 16:16, Lanqing Liu wrote: > > 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-of

[PATCH] serial: sprd: Add polling IO support

2019-09-18 Thread Lanqing Liu
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 --- drivers/tty/serial/sprd_serial.c | 22