Messages in this thread | | | From | Peter Hurley <> | Subject | [PATCH v2 -next 00/14] OF earlycon cleanup | Date | Fri, 6 Mar 2015 14:25:16 -0500 |
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I thought I'd respin this to address the bugs in v1.
I'm still having an open conversation with Rob Herring about the OF_EARLYCON_DECLARE macro and earlycon console names.
* Changes from v1 *
- Rebase on top of device-tree compiler patch submission, "libfdt: Add fdt_path_offset_namelen()" - Fixed x86 build breakage, conditionally compile of_setup_earlycon(); Note: this should have already been the case since of_setup_earlycon() is dead code without CONFIG_OF_EARLY_FLATTREE - Fixed Geert's suggestion to change the printf specifier for ->mapbase - Fixed initial console index value for earlycon name without trailing numerals
Hi Greg, Grant & Rob,
This patch series builds on my earlier "Extensible console matching & direct earlycon" to add several useful features to earlycon: * Proper port i/o configuration from DT node with of_serial properties (such as reg-io-width, reg-shift and reg-offset) * Proper console name & index initialization from earlycon name (for both command line and DT-defined earlycons) * Support for DT 'stdout-path' options pass-through to earlycon setup * Improved log messages for troubleshooting * Support for multiple OF earlycon declarations so different compatible strings can specify the same OF earlycon
Lastly, this patch series adds an omap8250 OF earlycon. I don't think the last patch requires the "Split 8250 driver" to work but it won't apply cleanly without it.
Requires: 1) "libfdt: Add fdt_path_offset_namelen()" 2) the last patch which adds omap8250 earlycon requires some kind of fixmap support, such as "ARM: early fixmap support for earlycon", which has not yet been accepted upstream.
Regards,
Peter Hurley (14): of: earlycon: Fix 'stdout-path' with ':' path terminator serial: earlycon: Fixup earlycon console name and index serial: earlycon: Emit earlycon name in the OF table of: earlycon: Fixup earlycon console name and index of: earlycon: Add options string handling of: earlycon: of_setup_earlycon() requires CONFIG_OF_EARLY_FLATTREE of: earlycon: Initialize port fields from DT properties of: earlycon: Move address translation to of_setup_earlycon() serial: earlycon: Common log banner for command line and DT serial: earlycon: Show the earlycon "driver" in banner of: earlycon: Allow multiple OF_EARLYCON_DECLARE() with same name of: earlycon: Log more helpful message if earlycon not found serial: 8250_early: Use port->regshift serial: 8250_omap: Add omap8250 earlycon
drivers/of/fdt.c | 18 +++---- drivers/of/fdt_address.c | 11 +++- drivers/tty/serial/8250/8250_early.c | 29 +++++++++- drivers/tty/serial/earlycon.c | 100 ++++++++++++++++++++++++++++------- include/linux/of_fdt.h | 2 +- include/linux/serial_core.h | 20 +++++-- 6 files changed, 144 insertions(+), 36 deletions(-)
-- 2.3.1
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