Robert Jarzmik <[email protected]> writes: > Dmitry Eremin-Solenikov <[email protected]> writes: > >> This reverts commit 2111667b4677 ("ARM: pxa: call debug_ll_io_init for >> earlyprintk") >> >> This commit gives the following backtrace on PXA/tosa early in the boot >> time when DEBUG_LL is enabled. It is due to overlap between uart memory >> and PERIPH_ memory block mapped by pxa_map_io. > > Indeed, all available UARTs IO mappings are already covered by pxa_map_io(), > so > the revert will remove the bug and keep the DEBUG_LL functionality. I suppose > you did the test with the revert and the lowlevel debugging works, right ?
Actually, I have a question for Andrew : was your commit aimed at the 3 or 4 available UARTs (ie. in peripheral address space), or is it a case where an external UART is mapped on the system bus (if that is possible) ? -- Robert -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
