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Groups > linux.kernel > #1311075

[PATCH v6 00/12] Earlycon cleanup

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Hi Greg, Grant & Rob,

This patch series is a rebase of the v3 from April last year.

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, and endianness)
* 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

* Changes from v3
  - Added 32-bit big-endian support
  - Removed the omap8250 earlycon (will follow later)
* Changes from v4
  - Rolled in Rob's acks (thanks for reviewing this series)
  - Removed the conditional guard of of_fdt.h header inclusion (Rob's comment)
  - Left in the omap8250 earlycon (rebased w/o the wip so applies cleanly)
* Changes from v5
  - Builds :/
    "of: earlycon: of_setup_earlycon() requires CONFIG_OF_EARLY_FLATREE"
    didn't make it into v4 so I left it out of v5. That'll teach me.

Regards,

Peter Hurley (12):
  of: earlycon: of_setup_earlycon() requires CONFIG_OF_EARLY_FLATTREE
  earlycon: Use common framework for earlycon declarations
  serial: earlycon: Fixup earlycon console name and index
  of: earlycon: Fixup earlycon console name and index
  of: earlycon: Add options string handling
  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
  serial: 8250_early: Use port->regshift
  of: earlycon: Log more helpful message if stdout-path node not found
  serial: 8250_omap: Add omap8250 earlycon

 drivers/of/fdt.c                     |  32 +++++-----
 drivers/of/fdt_address.c             |  11 +++-
 drivers/tty/serial/8250/8250_early.c |  37 +++++++++--
 drivers/tty/serial/amba-pl011.c      |   1 -
 drivers/tty/serial/arc_uart.c        |   1 -
 drivers/tty/serial/earlycon.c        | 118 ++++++++++++++++++++++++++---------
 drivers/tty/serial/msm_serial.c      |   2 -
 drivers/tty/serial/samsung.c         |   6 --
 drivers/tty/serial/sprd_serial.c     |   2 -
 include/asm-generic/vmlinux.lds.h    |   6 +-
 include/linux/of_fdt.h               |   2 +-
 include/linux/serial_core.h          |  25 +++++---
 12 files changed, 162 insertions(+), 81 deletions(-)

-- 
2.7.0

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[PATCH v5 00/11] Earlycon cleanup Peter Hurley <peter@hurleysoftware.com> - 2016-01-16 22:40 +0100
  [PATCH v5 11/11] serial: 8250_omap: Add omap8250 earlycon Peter Hurley <peter@hurleysoftware.com> - 2016-01-16 22:40 +0100
  [PATCH v5 06/11] of: earlycon: Move address translation to of_setup_earlycon() Peter Hurley <peter@hurleysoftware.com> - 2016-01-16 22:40 +0100
    Re: [PATCH v5 06/11] of: earlycon: Move address translation to  of_setup_earlycon() kbuild test robot <lkp@intel.com> - 2016-01-16 23:10 +0100
  [PATCH v5 07/11] serial: earlycon: Common log banner for command line and DT Peter Hurley <peter@hurleysoftware.com> - 2016-01-16 22:40 +0100
  [PATCH v5 01/11] earlycon: Use common framework for earlycon declarations Peter Hurley <peter@hurleysoftware.com> - 2016-01-16 22:50 +0100
  [PATCH v5 05/11] of: earlycon: Initialize port fields from DT properties Peter Hurley <peter@hurleysoftware.com> - 2016-01-16 22:50 +0100
    Re: [PATCH v5 05/11] of: earlycon: Initialize port fields from DT  properties kbuild test robot <lkp@intel.com> - 2016-01-16 23:00 +0100
  [PATCH v5 02/11] serial: earlycon: Fixup earlycon console name and index Peter Hurley <peter@hurleysoftware.com> - 2016-01-16 22:50 +0100
  [PATCH v5 03/11] of: earlycon: Fixup earlycon console name and index Peter Hurley <peter@hurleysoftware.com> - 2016-01-16 22:50 +0100
  [PATCH v5 04/11] of: earlycon: Add options string handling Peter Hurley <peter@hurleysoftware.com> - 2016-01-16 22:50 +0100
  [PATCH v5 09/11] serial: 8250_early: Use port->regshift Peter Hurley <peter@hurleysoftware.com> - 2016-01-16 22:50 +0100
  [PATCH v5 08/11] serial: earlycon: Show the earlycon "driver" in banner Peter Hurley <peter@hurleysoftware.com> - 2016-01-16 22:50 +0100
  [PATCH v5 10/11] of: earlycon: Log more helpful message if stdout-path node not found Peter Hurley <peter@hurleysoftware.com> - 2016-01-16 22:50 +0100
  [PATCH v6 11/12] of: earlycon: Log more helpful message if stdout-path node not found Peter Hurley <peter@hurleysoftware.com> - 2016-01-17 00:30 +0100
  [PATCH v6 05/12] of: earlycon: Add options string handling Peter Hurley <peter@hurleysoftware.com> - 2016-01-17 00:30 +0100
  [PATCH v6 04/12] of: earlycon: Fixup earlycon console name and index Peter Hurley <peter@hurleysoftware.com> - 2016-01-17 00:30 +0100
  [PATCH v6 09/12] serial: earlycon: Show the earlycon "driver" in banner Peter Hurley <peter@hurleysoftware.com> - 2016-01-17 00:30 +0100
  [PATCH v6 00/12] Earlycon cleanup Peter Hurley <peter@hurleysoftware.com> - 2016-01-17 00:30 +0100
    [PATCH v6 02/12] earlycon: Use common framework for earlycon declarations Peter Hurley <peter@hurleysoftware.com> - 2016-01-17 00:30 +0100
    [PATCH v6 10/12] serial: 8250_early: Use port->regshift Peter Hurley <peter@hurleysoftware.com> - 2016-01-17 00:30 +0100
    [PATCH v6 07/12] of: earlycon: Move address translation to of_setup_earlycon() Peter Hurley <peter@hurleysoftware.com> - 2016-01-17 00:30 +0100
    [PATCH v6 01/12] of: earlycon: of_setup_earlycon() requires CONFIG_OF_EARLY_FLATTREE Peter Hurley <peter@hurleysoftware.com> - 2016-01-17 00:30 +0100
    [PATCH v6 03/12] serial: earlycon: Fixup earlycon console name and index Peter Hurley <peter@hurleysoftware.com> - 2016-01-17 00:30 +0100
    [PATCH v6 08/12] serial: earlycon: Common log banner for command line and DT Peter Hurley <peter@hurleysoftware.com> - 2016-01-17 00:30 +0100
    [PATCH v6 06/12] of: earlycon: Initialize port fields from DT properties Peter Hurley <peter@hurleysoftware.com> - 2016-01-17 00:30 +0100
    [PATCH v6 12/12] serial: 8250_omap: Add omap8250 earlycon Peter Hurley <peter@hurleysoftware.com> - 2016-01-17 00:30 +0100

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