Olof, On Tue, Jun 4, 2013 at 8:15 PM, Olof Johansson <olof@xxxxxxxxx> wrote: > This seems to be caused by not calling iotable_ini() in exynos_init_io() > when a device tree is passed into the kernel, thus not setting up the > mapping for the UART in that case. > > I think the solution is instead to map the uart earlier. The window of > exposure is still there, but much smaller (and similar to how it always > has been). > > In current upstream, if there is no map_io mach_desc entry at all, > debug_ll_io_init() will be called on all platforms. Seems appropriate > to call that explicitly before of_scan_flat_dt() in exynos_init_io() > in this case. Oh. Ummm, right. Yes, debug_ll_io_init() is exactly what's needed here instead of all the complexity of what I proposed. New patch coming shortly. Thanks! :) -Doug -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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