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  1. 08 Aug, 2008 1 commit
  2. 25 Jul, 2008 2 commits
    • Christian Borntraeger's avatar
      virtio: console as a config option · 7721c494
      Christian Borntraeger authored
      I also added a small Kconfig change that allows the user to specify the
      virtio console in menuconfig.
      
      (Fixes to export symbols from Stephen Rothwell <sfr@canb.auug.org.au>)
      (Fixes for CONFIG_VIRTIO_CONSOLE=y vs CONFIG_VIRTIO=m from Christian himself)
      Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
      Cc: Stephen Rothwell <sfr@canb.auug.org.au>
      7721c494
    • Christian Borntraeger's avatar
      hvc_console: rework setup to replace irq functions with callbacks · 611e097d
      Christian Borntraeger authored
      This patch tries to change hvc_console to not use request_irq/free_irq if
      the backend does not use irqs. This allows virtio_console to use hvc_console
      without having a linker reference to request_irq/free_irq.
      
      In addition, together with patch 2/3 it improves the performance for virtio
      console input. (an earlier version of this patch was tested by Yajin on lguest)
      
      The irq specific code is moved to hvc_irq.c and selected by the drivers that
      use irqs (System p, System i, XEN).
      
      I replaced "int irq" with the opaque "int data". The request_irq and
      free_irq calls are replaced with notifier_add and notifier_del. I have also
      changed the code a bit to call the notifier_add and notifier_del inside the
      spinlock area as the callbacks are found via hp->ops.
      
      Changes since last version:
      o remove ifdef
      o reintroduce "irq_requested" as "notified"
      o cleanups, sparse..
      
      I did not move the timer based polling into a separate polling scheme. I
      played with several variants, but it seems we need to sleep/schedule in
      a thread even for irq based consoles, as there are throttleing and buffer
      size constraints.
      
      I also kept hvc_struct defined in hvc_console.h so that hvc_irq.c can access
      the irq_requested element.
      
      Feedback is appreciated. virtio_console is currently the only available console
      for kvm on s390. I plan to push this change as soon as all affected parties
      agree on it. I would love to get test results from System p, Xen etc.
      Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
      Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
      611e097d
  3. 24 Jul, 2008 1 commit
  4. 22 Jul, 2008 7 commits
  5. 15 Jul, 2008 1 commit
  6. 13 Jun, 2008 1 commit
  7. 06 Jun, 2008 1 commit
  8. 04 Jun, 2008 1 commit
  9. 15 May, 2008 1 commit
  10. 29 Apr, 2008 1 commit
  11. 28 Apr, 2008 1 commit
    • David Brownell's avatar
      rtc: avoid legacy drivers with generic framework · c7500900
      David Brownell authored
      Kconfig tweaks to help reduce RTC configuration bugs, by avoiding
      legacy RTC drivers when the generic RTC framework is enabled:
      
       - If rtc-cmos is selected, disable the legacy rtc driver;
      
       - When using generic RTC on x86, enable rtc-cmos by default;
      
       - In the old "chardev RTC" section of Kconfig, add a comment
         warning people off these (seven) legacy RTC drivers when
         the generic framework is in use.
      
      People can still use the legacy drivers if they want (or need) to.
      
      This doesn't fix the broken dependencies for the legacy "CMOS" RTC driver.
      Ideally it would be a full list of platforms where it works, not a partial
      list of ones where it won't.  Or better yet, it would depend on a
      "HAVE_CMOS_RTC" flag defined by various platforms ...  surely there's a
      Kconfig style guideline lurking there.
      Signed-off-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
      Acked-by: default avatarAlessandro Zummo <a.zummo@towertech.it>
      Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      c7500900
  12. 25 Apr, 2008 1 commit
  13. 20 Apr, 2008 2 commits
  14. 09 Feb, 2008 1 commit
  15. 07 Feb, 2008 1 commit
  16. 06 Feb, 2008 3 commits
  17. 25 Jan, 2008 1 commit
    • Frank Seidel's avatar
      nozomi driver · 20fd1e3b
      Frank Seidel authored
      This is a driver to control the cardbus wireless data card that works on
      3g networks.
      
      Greg Kroah-Hartman <gregkh@suse.de> did the initial driver cleanup.
      Thanks to Arnaud Patard <apatard@mandriva.com> for help with bugfixing.
      Thanks to Alan Cox for a lot of tty fixes.
      Thanks to Satyam Sharma <satyam@infradead.org> for fixing buildbreakage.
      Thanks to Frank Seidel <fseidel@suse.de> for a lot of bugfixes and
      rewriting to make it a sane Linux driver
      Thanks to Jiri Slaby <jirislaby@gmail.com> for a lot bugfixes, cleanups
      and rewrites that make it much more readable.
      Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      Signed-off-by: default avatarFrank Seidel <fseidel@suse.de>
      Signed-off-by: default avatarJiri Slaby <jirislaby@gmail.com>
      20fd1e3b
  18. 22 Jan, 2008 1 commit
  19. 17 Dec, 2007 1 commit
  20. 28 Nov, 2007 1 commit
  21. 23 Oct, 2007 1 commit
    • Rusty Russell's avatar
      Virtio console driver · 31610434
      Rusty Russell authored
      This is an hvc-based virtio console driver.  It's suboptimal becuase
      hvc expects to have raw access to interrupts and virtio doesn't assume
      that, so it currently polls.
      
      There are two solutions: expose hvc's "kick" interface, or wean off hvc.
      Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
      31610434
  22. 18 Oct, 2007 2 commits
  23. 17 Oct, 2007 3 commits
  24. 16 Oct, 2007 1 commit
  25. 26 Jul, 2007 1 commit
  26. 24 Jul, 2007 1 commit
  27. 21 Jul, 2007 1 commit