Re: [PATCH v3] tty: serial: msm_serial: avoid system lockup condition

On Mon, Jun 10, 2019 at 12:11 PM Jorge Ramirez wrote: > > On 6/10/19 19:53, Rob Clark wrote: > > On Mon, Jun 10, 2019 at 10:23 AM Jorge Ramirez-Ortiz > > wrote: > >> The function msm_wait_for_xmitr can be taken with interrupts > >> disabled. In order to avoid a potential system lockup - demonstra

Re: [PATCH v3] tty: serial: msm_serial: avoid system lockup condition

On 6/10/19 19:53, Rob Clark wrote: > On Mon, Jun 10, 2019 at 10:23 AM Jorge Ramirez-Ortiz > wrote: >> The function msm_wait_for_xmitr can be taken with interrupts >> disabled. In order to avoid a potential system lockup - demonstrated >> under stress testing conditions on SoC QCS404/5 - make sure

Re: [PATCH v3] tty: serial: msm_serial: avoid system lockup condition

On Mon, Jun 10, 2019 at 10:23 AM Jorge Ramirez-Ortiz wrote: > > The function msm_wait_for_xmitr can be taken with interrupts > disabled. In order to avoid a potential system lockup - demonstrated > under stress testing conditions on SoC QCS404/5 - make sure we wait > for a bounded amount of time.

[PATCH v3] tty: serial: msm_serial: avoid system lockup condition

The function msm_wait_for_xmitr can be taken with interrupts disabled. In order to avoid a potential system lockup - demonstrated under stress testing conditions on SoC QCS404/5 - make sure we wait for a bounded amount of time. Tested on SoC QCS404. Signed-off-by: Jorge Ramirez-Ortiz --- v2: fi