Patchwork [GIT,PULL] ARM: OMAP: HDQ: convert HDQ to runtime PM

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Submitter Paul Walmsley
Date June 22, 2012, 2:12 p.m.
Message ID <alpine.DEB.2.00.1206220809460.10198@utopia.booyaka.com>
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Permalink /patch/166604/
State New
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Pull-request

git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending.git tags/omap-devel-b-for-3.6

Comments

Paul Walmsley - June 22, 2012, 2:12 p.m.
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Hi Tony

The following changes since commit 485802a6c524e62b5924849dd727ddbb1497cc71:

  Linux 3.5-rc3 (2012-06-16 17:25:17 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending.git tags/omap-devel-b-for-3.6

for you to fetch changes up to c354a86484b61e32100eb94c1f3f0aa512958cee:

  W1: OMAP HDQ1W: use runtime PM (2012-06-21 21:40:40 -0600)

- ----------------------------------------------------------------
Convert the OMAP HDQ1W driver to use runtime PM.  Make it available on
all OMAP2+ chips that appear to have it integrated.  Fix a problem
preventing it from being used on OMAP4.

- ----------------------------------------------------------------

Particular thanks go to NeilBrown <neilb@suse.de> for his
extensive help getting the HDQ working.  There's still one
remaining fix needed for a HDQ PM-related integration bug; that will be
handled in a separate series.  (Neil's Tested-by:s were
with these patches based on an earlier version of the kernel, but
the patch contents haven't changed significantly during the
rebase.)  Thanks also to Evgeniy for his acks.

Testing logs are at:

http://www.pwsan.com/omap/bootlogs/20120621/hdq_hwmod_runtime_pm_devel_3.6__c354a86484b61e32100eb94c1f3f0aa512958cee/

The usual issues with v3.5-rc3 are all still present here: N800
MMC is broken and won't boot; 3517 boards won't NFS-mount root
and several WARN()s appear; 37xx EVM and 35xx Beagle CORE
powerdomain won't enter retention or off-mode; and 35xx Beagle
serial wakeup from suspend doesn't work.

object size (delta in bytes from v3.5-rc3 (485802a6c524e62b5924849dd727ddbb1497cc71)):
  text 	  data 	   bss 	 total 	kernel
     0 	     0 	     0 	     0 	5912osk_testconfig/vmlinux
  +132 	   +16 	     0 	  +148 	am33xx_testconfig/vmlinux
  +124 	   +24 	     0 	  +148 	n800_b_testconfig/vmlinux
  +124 	   -24 	     0 	  +100 	n800_multi_omap2xxx/vmlinux
  +124 	   -16 	     0 	  +108 	n800_testconfig/vmlinux
     0 	     0 	     0 	     0 	omap1510_defconfig/vmlinux
     0 	     0 	     0 	     0 	omap1_defconfig/vmlinux
  +124 	   +16 	     0 	  +140 	omap2_4_testconfig/vmlinux
 +4220 	    -8 	     0 	 +4212 	omap2plus_defconfig/vmlinux
  +124 	   +16 	     0 	  +140 	omap2plus_no_pm/vmlinux
  +128 	   -24 	     0 	  +104 	omap3_4_testconfig/vmlinux
  +128 	    +8 	     0 	  +136 	omap3_testconfig/vmlinux
  +128 	    +8 	     0 	  +136 	omap4_testconfig/vmlinux

Paul Walmsley (4):
      W1: OMAP HDQ1W: allow driver to be built on all OMAP2+
      W1: OMAP HDQ1W: use 32-bit register accesses
      ARM: OMAP2+: HDQ1W: use omap_device
      W1: OMAP HDQ1W: use runtime PM

 arch/arm/mach-omap2/devices.c |   38 ------------------
 arch/arm/mach-omap2/hdq1w.c   |   26 +++++++++++++
 drivers/w1/masters/Kconfig    |    2 +-
 drivers/w1/masters/omap_hdq.c |   86 ++++++++---------------------------------
 4 files changed, 44 insertions(+), 108 deletions(-)
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Tony Lindgren - June 25, 2012, 3:36 p.m.
* Paul Walmsley <paul@pwsan.com> [120622 07:16]:
> Hi Tony
> 
> The following changes since commit 485802a6c524e62b5924849dd727ddbb1497cc71:
> 
>   Linux 3.5-rc3 (2012-06-16 17:25:17 -0700)
> 
> are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending.git tags/omap-devel-b-for-3.6
> 
> for you to fetch changes up to c354a86484b61e32100eb94c1f3f0aa512958cee:
> 
>   W1: OMAP HDQ1W: use runtime PM (2012-06-21 21:40:40 -0600)
> 
> ----------------------------------------------------------------
> Convert the OMAP HDQ1W driver to use runtime PM.  Make it available on
> all OMAP2+ chips that appear to have it integrated.  Fix a problem
> preventing it from being used on OMAP4.
> 
> ----------------------------------------------------------------

Thanks pulling into devel-driver branch.

Tony