On Wednesday, September 21, 2011 08:21:35 Michal Simek wrote: > Marek Vasut wrote: > > On Tuesday, September 20, 2011 09:19:23 AM Michal Simek wrote: > >> Michal Simek wrote: > >>> Add support for SERIAL MULTI for uartlite. > >> > >> Any comment? > > > > Avoid endless loops > > No problem to do it for putc but for getc? > What would you like to return if there is no character available?
getc() is allowed to loop forever. pretty much most drivers also wait forever with putc(). i dont think serial drivers really matter as if the hardware breaks, u-boot itself isn't terribly useful anymore. just make sure flow control doesn't bite you (CTS/RTS). -mike
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