Hi Benoît, Le Sun, 29 Sep 2013 15:21:52 +0200 (CEST), Benoît Thébaudeau <benoit.thebaud...@advansee.com> a écrit : > Why is this required? Is it because there is a different behavior of the PSR > register on one of the i.MXs? > > See my commit message here: > http://git.denx.de/cgi-bin/gitweb.cgi?p=u-boot.git;a=commitdiff;h=5dafa4543c399d329c7b01df1afa98437861cac0 > > In case the registers are configured to output some level on a GPIO but there > is > a level conflict with other hardware, the general assumption about > gpio_get_value() would probably be that it returns the actual GPIO level, not > the level that the registers try to apply. For the latter, another function > accessing DR could be implemented. > you are right and if that works in the kernel, that should also work in u-boot. It would be interesting to know if the original patch was really fixing a problem as it would be surprising that setting the pin as an input could fix the level sampling problem reliably : Otavio was that tested on real hardware ?
BTW Otavio if you read that email through the ML, your MX server rejects my emails : <ota...@ossystems.com.br>: host mx.ossystems.com.br[66.7.219.172] said: 450 4.1.8 <e...@eukrea.com>: Sender address rejected: Domain not found (in reply to RCPT TO command) Eric _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
