On Sun, Sep 29, 2013 at 4:45 PM, Benoît Thébaudeau <[email protected]> wrote: > On Sunday, September 29, 2013 9:42:44 PM, Otavio Salvador wrote: >> On Sun, Sep 29, 2013 at 4:25 PM, Benoît Thébaudeau >> <[email protected]> wrote: >> ... >> > Hence, gpio_get_value() should be left unchanged (using PSR in all cases), >> > and >> > SION should be set for all GPIOs in the i.MX6 pin definition header files. >> >> I just does not follow why this preferred against Fabio's proposed >> patch to read from DR? > > Because in case of a level conflict between the GPIO output and some other > hardware on the board, one would expect gpio_get_value() to return the actual > pin level, and not the level that the GPIO output tries (but possibly fails) > to > apply on this pin.
Ahh now I see. I agree :-) -- Otavio Salvador O.S. Systems http://www.ossystems.com.br http://code.ossystems.com.br Mobile: +55 (53) 9981-7854 Mobile: +1 (347) 903-9750 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
