Re: [PATCH] iio: sx9310: Prefer async probe

2020-09-01 Thread Doug Anderson
Hi, On Tue, Sep 1, 2020 at 6:47 AM Jonathan Cameron wrote: > > On Tue, 1 Sep 2020 00:03:55 -0700 > Stephen Boyd wrote: > > > Quoting Doug Anderson (2020-08-31 11:59:37) > > > On Sat, Aug 29, 2020 at 10:18 AM Jonathan Cameron > > > wrote: > > > > Agreed. However, I'd like a comment next to the

Re: [PATCH] iio: sx9310: Prefer async probe

2020-09-01 Thread Jonathan Cameron
On Tue, 1 Sep 2020 00:03:55 -0700 Stephen Boyd wrote: > Quoting Doug Anderson (2020-08-31 11:59:37) > > On Sat, Aug 29, 2020 at 10:18 AM Jonathan Cameron wrote: > > > > > Agreed. However, I'd like a comment next to the place we turn it on > > > saying what delays we are trying to mitigate by

Re: [PATCH] iio: sx9310: Prefer async probe

2020-09-01 Thread Stephen Boyd
Quoting Doug Anderson (2020-08-31 11:59:37) > On Sat, Aug 29, 2020 at 10:18 AM Jonathan Cameron wrote: > > Agreed. However, I'd like a comment next to the place we turn it on > > saying what delays we are trying to mitigate by enabling it in this > > driver. > > OK, I used function graph to get a

Re: [PATCH] iio: sx9310: Prefer async probe

2020-08-31 Thread Doug Anderson
Hi, On Sat, Aug 29, 2020 at 10:18 AM Jonathan Cameron wrote: > > On Sat, 29 Aug 2020 09:56:41 -0700 > Doug Anderson wrote: > > > Hi, > > > > On Sat, Aug 29, 2020 at 8:12 AM Jonathan Cameron wrote: > > > > > > On Fri, 28 Aug 2020 17:01:18 -0700 > > > Douglas Anderson wrote: > > > > > > > On one

Re: [PATCH] iio: sx9310: Prefer async probe

2020-08-29 Thread Jonathan Cameron
On Sat, 29 Aug 2020 09:56:41 -0700 Doug Anderson wrote: > Hi, > > On Sat, Aug 29, 2020 at 8:12 AM Jonathan Cameron wrote: > > > > On Fri, 28 Aug 2020 17:01:18 -0700 > > Douglas Anderson wrote: > > > > > On one board I found that: > > > probe of 5-0028 returned 1 after 259547 usecs > > > >

Re: [PATCH] iio: sx9310: Prefer async probe

2020-08-29 Thread Doug Anderson
Hi, On Sat, Aug 29, 2020 at 8:12 AM Jonathan Cameron wrote: > > On Fri, 28 Aug 2020 17:01:18 -0700 > Douglas Anderson wrote: > > > On one board I found that: > > probe of 5-0028 returned 1 after 259547 usecs > > > > There's no reason to block probe of all other devices on our probe. > > Turn o

Re: [PATCH] iio: sx9310: Prefer async probe

2020-08-29 Thread Jonathan Cameron
On Fri, 28 Aug 2020 17:01:18 -0700 Douglas Anderson wrote: > On one board I found that: > probe of 5-0028 returned 1 after 259547 usecs > > There's no reason to block probe of all other devices on our probe. > Turn on async probe. > > Signed-off-by: Douglas Anderson > --- > NOTE: I haven't d

[PATCH] iio: sx9310: Prefer async probe

2020-08-28 Thread Douglas Anderson
On one board I found that: probe of 5-0028 returned 1 after 259547 usecs There's no reason to block probe of all other devices on our probe. Turn on async probe. Signed-off-by: Douglas Anderson --- NOTE: I haven't done any analysis of the driver to see _why_ it's so slow, only that I have meas