On Sat, Nov 19, 2011 at 1:36 PM, Otavio Salvador
wrote:
>> This will not work as a post rootfs hook as I've explained before. Let
>> me give you a more concrete example: We have a root file stored in
>> flash. We use it to boot from on a system with 4 serial ports. We use
>> the same image again t
Op 19 nov. 2011, om 19:59 heeft McClintock Matthew-B29882 het volgende
geschreven:
> On Sat, Nov 19, 2011 at 8:29 AM, Otavio Salvador
> wrote:
>>> It must be online though in this case?
>>
>> The code you add needs to be running on target and doesn't work at
>> rootfs built time. This is bad a
On Sat, Nov 19, 2011 at 16:59, McClintock Matthew-B29882
wrote:
> On Sat, Nov 19, 2011 at 8:29 AM, Otavio Salvador
> wrote:
>>> It must be online though in this case?
>>
>> The code you add needs to be running on target and doesn't work at
>> rootfs built time. This is bad and adds more complicat
On Sat, Nov 19, 2011 at 1:12 PM, Phil Blundell wrote:
>> This works *perfectly* with a read only fs. Each time it boots removes
>> the non-working serial ports. One could argue that it does NOT work
>> completely as expected with a writable file system.
>
> Um, the patch you sent seems to modify /
On Sat, 2011-11-19 at 18:59 +, McClintock Matthew-B29882 wrote:
> On Sat, Nov 19, 2011 at 8:29 AM, Otavio Salvador
> wrote:
> >> It must be online though in this case?
> >
> > The code you add needs to be running on target and doesn't work at
> > rootfs built time. This is bad and adds more co
On Sat, Nov 19, 2011 at 8:29 AM, Otavio Salvador
wrote:
>> It must be online though in this case?
>
> The code you add needs to be running on target and doesn't work at
> rootfs built time. This is bad and adds more complications to
> read-only-fs support.
This works *perfectly* with a read only
On Fri, Nov 18, 2011 at 00:32, McClintock Matthew-B29882
wrote:
> On Thu, Nov 17, 2011 at 6:29 PM, Otavio Salvador
> wrote:
>> I see your point but add more "must be online" requirements is wrong
>> IMO.
>
> It must be online though in this case?
The code you add needs to be running on target an
On Fri, 2011-11-18 at 17:54 +, McClintock Matthew-B29882 wrote:
> On Fri, Nov 18, 2011 at 2:07 AM, Phil Blundell wrote:
> > if [ true < /dev/ttyS0 ]; then
>
> This test returns 0 if the serial node is in my device tree or not
> (e.g. there or not).
That sounds like a shell bug to me. What s
On Fri, Nov 18, 2011 at 2:07 AM, Phil Blundell wrote:
> if [ true < /dev/ttyS0 ]; then
This test returns 0 if the serial node is in my device tree or not
(e.g. there or not).
-M
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On Fri, 2011-11-18 at 00:23 +, McClintock Matthew-B29882 wrote:
> I'm mostly soliciting ideas for how we detect if a serial port is
> actually present besides 'dmesg'
I guess the obvious one is to try opening it. Something like:
if [ true < /dev/ttyS0 ]; then
echo present
else
echo not p
On Thu, Nov 17, 2011 at 6:29 PM, Otavio Salvador
wrote:
> I see your point but add more "must be online" requirements is wrong
> IMO.
It must be online though in this case?
> This could be done with a specific package that could mangle the
> image at first boot if really need but doing it by def
On Thu, Nov 17, 2011 at 22:23, McClintock Matthew-B29882
wrote:
> On Thu, Nov 17, 2011 at 6:08 PM, Otavio Salvador
> wrote:
>> This enforces online use so won't work for read-only-fs.
>
> Online use is sort of the point here - I think it should be configurable
> though.
>
>> Please use SERIAL_CO
On Thu, Nov 17, 2011 at 6:08 PM, Otavio Salvador
wrote:
> This enforces online use so won't work for read-only-fs.
Online use is sort of the point here - I think it should be configurable though.
> Please use SERIAL_CONSOLE value to write iniitab but supporting offline use
Already done but some
NACK!
This enforces online use so won't work for read-only-fs.
Please use SERIAL_CONSOLE value to write iniitab but supporting offline use
On Thu, Nov 17, 2011 at 20:47, Matthew McClintock wrote:
> This will prevent error message that pop up when the serial
> port is not present
> ---
> This s
This will prevent error message that pop up when the serial
port is not present
---
This seems quite hacky to me, but we have an issue where if we remove
a serial port from the device tree the serial port won't work.
It seems link it's still in /dev/ttySN but it's not configured properly.
I looked
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