Re: [PATCH] tty: serial: qcom_geni_serial: Fix UART hang

2018-12-19 Thread Doug Anderson
Hi, On Wed, Dec 19, 2018 at 2:12 PM Evan Green wrote: > > On Wed, Dec 19, 2018 at 12:34 PM Ryan Case wrote: > > > > If a serial console write occured while a UART transmit command was > > waiting for a done signal then no further data would be sent until > > something new kicked the system into

Re: [PATCH] tty: serial: qcom_geni_serial: Fix UART hang

2018-12-19 Thread Evan Green
On Wed, Dec 19, 2018 at 12:34 PM Ryan Case wrote: > > If a serial console write occured while a UART transmit command was > waiting for a done signal then no further data would be sent until > something new kicked the system into gear. If there is already data > waiting in the circular buffer we

[PATCH] tty: serial: qcom_geni_serial: Fix UART hang

2018-12-19 Thread Ryan Case
If a serial console write occured while a UART transmit command was waiting for a done signal then no further data would be sent until something new kicked the system into gear. If there is already data waiting in the circular buffer we must re-enable the tx watermark so we receive the expected