Re: [PATCH v2] serial: sprd: Add polling IO support

Baolin Wang 于2019年9月19日周四 上午11:21写道： > > Hi, > > On Thu, 19 Sep 2019 at 11:10, 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

Re: [PATCH v2] serial: sprd: Add polling IO support

Hi, On Thu, 19 Sep 2019 at 11:10, 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-off-by:

[PATCH v2] 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 --- Change from v1: - Add poll_init() support. ---