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  1. 11 Oct, 2007 1 commit
  2. 31 Jul, 2007 1 commit
    • Andrew Morton's avatar
      revert "x86, serial: convert legacy COM ports to platform devices" · 57d4810e
      Andrew Morton authored
      Revert 7e92b4fc.  It broke Sébastien Dugué's
      machine and Jeff said (persuasively)
      
        This seems like it will break decades-long-working stuff, in favor of
        breaking new ground in our favorite area, "trusting the BIOS."
      
        It's just not worth it for serial ports, IMO.  Serial ports are something
        that just shouldn't break at this late stage in the game.  My new Intel
        platform boxes don't even have serial ports, so I question the value of
        messing with serial port probing even more...  because...  just wait a year,
        and your box won't have a serial port either!  :)
      
        I certainly don't object to the use of platform devices (or isa_driver),
        but the probe change seems questionable.  That's sorta analagous to
        rewriting the floppy driver probe routine.  Sure you could do it...  but why
        risk all that damage and go through debugging all over again?
      
        It seems clear from this report that we cannot, should not, trust BIOS for
        something (a) so simple and (b) that has been working for over a decade.
      
      Much discussion ensued and we've decided to have another go at all of this.
      
      Cc: Sébastien Dugué <sebastien.dugue@bull.net>
      Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
      Cc: Len Brown <lenb@kernel.org>
      Cc: Adam Belay <ambx1@neo.rr.com>
      Cc: Matthew Garrett <mjg59@srcf.ucam.org>
      Cc: Russell King <rmk@arm.linux.org.uk>
      Cc: Jeff Garzik <jeff@garzik.org>
      Acked-by: default avatarAlan Cox <alan@lxorguk.ukuu.org.uk>
      Cc: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
      Cc: Sascha Sommer <saschasommer@freenet.de>
      Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      57d4810e
  3. 08 May, 2007 1 commit
    • Bjorn Helgaas's avatar
      x86, serial: convert legacy COM ports to platform devices · 7e92b4fc
      Bjorn Helgaas authored
      Make x86 COM ports into platform devices and don't probe for them
      if we have PNP.
      
      This prevents double discovery, where a device was found both by
      the legacy probe and by 8250_pnp, e.g.,
      
          serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
          00:02: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
      
      This also means IRDA devices without a UART PNP ID will no longer be
      claimed by the serial driver, which might require changes in IRDA
      drivers and administration.
      
      In addition to this patch, you may need to configure a setserial init
      script, e.g., /etc/init.d/setserial, so it doesn't poke legacy UART
      stuff back in.  On Debian, "dpkg-reconfigure setserial" with the "kernel"
      option does this.
      
      To force the old legacy probe behavior even when we have PNPBIOS or
      ACPI, load the new legacy_serial module (or build 8250 static) with
      the "legacy_serial.force" option.
      
      [akpm@linux-foundation.org: fix makefiles]
      Signed-off-by: default avatarBjorn Helgaas <bjorn.helgaas@hp.com>
      Cc: Keith Owens <kaos@ocs.com.au>
      Cc: Len Brown <lenb@kernel.org>
      Cc: Adam Belay <ambx1@neo.rr.com>
      Cc: Matthieu CASTET <castet.matthieu@free.fr>
      Cc: Jean Tourrilhes <jt@hpl.hp.com>
      Cc: Matthew Garrett <mjg59@srcf.ucam.org>
      Cc: Ville Syrjala <syrjala@sci.fi>
      Cc: Russell King <rmk+serial@arm.linux.org.uk>
      Cc: Samuel Ortiz <samuel@sortiz.org>
      Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      7e92b4fc
  4. 26 Apr, 2006 1 commit
  5. 29 Jun, 2005 1 commit
    • Russell King's avatar
      [PATCH] Serial: Split 8250 port table (part 2) · 026d02a2
      Russell King authored
      Remove legacy ISA serial ports for Accent, Boca, Fourport, Hub6 and MCA
      from the architecture specific serial.h include.
      
      The only ports which remain in asm-*/serial.h are the platform specific
      entries.  These should really be converted by platform maintainers to
      use a platform device, such as can be found in
      arch/arm/mach-footbridge/isa.c
      Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
      026d02a2
  6. 16 Apr, 2005 1 commit
    • Linus Torvalds's avatar
      Linux-2.6.12-rc2 · 1da177e4
      Linus Torvalds authored
      Initial git repository build. I'm not bothering with the full history,
      even though we have it. We can create a separate "historical" git
      archive of that later if we want to, and in the meantime it's about
      3.2GB when imported into git - space that would just make the early
      git days unnecessarily complicated, when we don't have a lot of good
      infrastructure for it.
      
      Let it rip!
      1da177e4