[U-Boot] [PATCH] Generic udelay() with watchdog support

Wolfgang Denk wd at denx.de
Sat Dec 5 01:09:11 CET 2009


Dear Ingo van Lil,

In message <20091124130921.GA465 at zaphod.peppercon.de> you wrote:
> According to the PPC reference implementation the udelay() function is
> responsible for resetting the watchdog timer as frequently as needed.
> Most other architectures do not meet that requirement, so long-running
> operations might result in a watchdog reset.
> 
> This patch adds a generic udelay() function which takes care of
> resetting the watchdog before calling an architecture-specific
> __udelay().
> 
> Signed-off-by: Ingo van Lil <inguin at gmx.de>
> ---
>  board/armltd/integrator/timer.c     |    2 +-
>  board/freescale/mpc8313erdb/sdram.c |    2 +-
>  cpu/arm1136/mx31/timer.c            |    2 +-
>  cpu/arm1136/omap24xx/timer.c        |    2 +-
>  cpu/arm1176/s3c64xx/timer.c         |    2 +-
>  cpu/arm720t/interrupts.c            |    4 +-
>  cpu/arm920t/at91rm9200/timer.c      |    2 +-
>  cpu/arm920t/imx/timer.c             |    2 +-
>  cpu/arm920t/ks8695/timer.c          |    2 +-
>  cpu/arm920t/s3c24x0/timer.c         |    2 +-
>  cpu/arm925t/timer.c                 |    2 +-
>  cpu/arm926ejs/at91/timer.c          |    2 +-
>  cpu/arm926ejs/davinci/timer.c       |    2 +-
>  cpu/arm926ejs/kirkwood/timer.c      |    2 +-
>  cpu/arm926ejs/mx27/timer.c          |    2 +-
>  cpu/arm926ejs/nomadik/timer.c       |    2 +-
>  cpu/arm926ejs/omap/timer.c          |    2 +-
>  cpu/arm926ejs/versatile/timer.c     |    2 +-
>  cpu/arm_cortexa8/omap3/timer.c      |    2 +-
>  cpu/arm_cortexa8/s5pc1xx/timer.c    |    2 +-
>  cpu/at32ap/interrupts.c             |    2 +-
>  cpu/blackfin/interrupts.c           |    2 +-
>  cpu/i386/sc520/sc520_timer.c        |    2 +-
>  cpu/ixp/start.S                     |    4 +-
>  cpu/ixp/timer.c                     |    2 +-
>  cpu/lh7a40x/timer.c                 |    2 +-
>  cpu/mcf547x_8x/slicetimer.c         |    2 +-
>  cpu/pxa/timer.c                     |    2 +-
>  cpu/s3c44b0/timer.c                 |    2 +-
>  cpu/sa1100/timer.c                  |    2 +-
>  examples/api/Makefile               |    1 +
>  examples/api/libgenwrap.c           |    2 +-
>  include/asm-blackfin/delay.h        |    2 +-
>  include/common.h                    |    5 +++-
>  include/exports.h                   |    2 +-
>  lib_generic/Makefile                |    1 +
>  lib_generic/time.c                  |   43 +++++++++++++++++++++++++++++++++++
>  lib_i386/pcat_timer.c               |    2 +-
>  lib_m68k/time.c                     |    4 +-
>  lib_microblaze/time.c               |    4 +-
>  lib_mips/time.c                     |    2 +-
>  lib_nios/time.c                     |    3 +-
>  lib_nios2/time.c                    |    3 +-
>  lib_ppc/time.c                      |   16 ++----------
>  lib_sh/time.c                       |    2 +-
>  lib_sh/time_sh2.c                   |    2 +-
>  lib_sparc/time.c                    |    2 +-
>  47 files changed, 98 insertions(+), 62 deletions(-)
>  create mode 100644 lib_generic/time.c

Applied to "next", thanks.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
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