Heiko Stübner <heiko@xxxxxxxxx> writes: Hello Heiko, Thanks for your feedback. > Hi, > > Am Montag, 3. April 2023, 19:59:37 CEST schrieb Javier Martinez Canillas: >> This baud rate is set for the device by mainline u-boot and is also what >> is set in the Pinebook Pro Device Tree, which is a device similar to the >> PinePhone Pro but with a different form factor. >> >> Otherwise, the baud rate of the firmware and Linux don't match by default >> and a 'console=ttyS2,1500000n8' kernel command line parameter is required >> to have proper output for both. > > The interesting question is always if this will break someone else's setup. Indeed. > I've never really understood the strange setting of 1.5MBps, but on the > other hand it _is_ a reality on most boards. > As far as I understand, it is just to get a faster data transmission but I have my doubts that it is worth to divert from the more common 115200 rate just for this. As you said though, it is a reality and also what mainline u-boot uses for this device. > Personally I don't care that much either way, but would like a comment > from the other people working on that device - if possible. > Same, I don't care either but just that would be good to make Linux and u-boot to match. If this change will break other people setups, maybe I can convince u-boot to sync with Linux and also use 115200 for the phone. > I guess if we don't hear anything, I'll apply it nevertheless at some point > > > Heiko > -- Best regards, Javier Martinez Canillas Core Platforms Red Hat
