On Fri, 26 Feb 2021 07:23:31 -0800 Richard Cochran wrote: > On Thu, Feb 25, 2021 at 10:15:16PM +0100, Heiko Thiery wrote: > > When accessing the timecounter register on an i.MX8MQ the kernel hangs. > > This is only the case when the interface is down. This can be reproduced > > by reading with 'phc_ctrl eth0 get'. > > > > Like described in the change in 91c0d987a9788dcc5fe26baafd73bf9242b68900 > > the igp clock is disabled when the interface is down and leads to a > > system hang. > > > > So we check if the ptp clock status before reading the timecounter > > register. > > > > Signed-off-by: Heiko Thiery <heiko.thi...@gmail.com> > > --- > > v2: > > - add mutex (thanks to Richard) > > > > v3: > > I did a mistake and did not test properly > > - add parenteses > > - fix the used variable
On Fri, 26 Feb 2021 08:22:50 +0100 Heiko Thiery wrote: > Sorry for the noise. But just realized that I sent a v3 version of the > patch but forgot to update the subject line (still v2). Should I > resend it with the correct subject? No need, looks like patchwork caught the right version. > Acked-by: Richard Cochran <richardcoch...@gmail.com> Applied, thanks!