Re: [PATCH v2] omap4: Fix multi-omap boot with reset un-used clocks

[Tony Lindgren <tony@atomide.com>]

* Paul Walmsley <paul@pwsan.com> [100616 12:16]:
> On Mon, 31 May 2010, Tony Lindgren wrote:
> 
> > * Paul Walmsley <paul@pwsan.com> [100520 02:05]:
> > > Hi,
> > > 
> > > On Wed, 19 May 2010, Santosh Shilimkar wrote:
> > > 
> > > > This patch uses "ENABLE_ON_INIT" flag on the emif clock nodes
> > > > to avoid the emif clk getting cut as part of reset un-used clock
> > > > routine which prevents boot.
> > > > 
> > > > Since omap4 "omap2_clk_init()" calls "clk_enable_init_clocks()"
> > > > which increases the usecount on all ENABLE_ON_INIT clocks, it
> > > > prevents "omap2_clk_disable_unused()" from disabling the clock.
> > > > 
> > > > The real fix is to have driver for EMIF and do clock get/enable
> > > > as part of it. The EMIF driver is planned to be done HWMOD way
> > > > so till that available to keep omap3_defconfig booting on OMAP4430,
> > > > this patch is necessary.
> > > > (Will updated the auto-gen script for 44xx accordingly)
> > > > 
> > > > The fix was suggested by Paul Walmsley
> > > > 
> > > > Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
> > > > Cc: Paul Walmsley <paul@pwsan.com>
> > > 
> > > Thanks, I've added Nishanth's Tested-by: and fixed the patch changelog; 
> > > the following patch is now queued for 2.6.35-rc, unless there are any 
> > > further comments.
> > 
> > FYI, I'll also added this into omap-testing branch while we're waiting
> > for your clock fixes branch to be available.
> 
> Acked-by: Paul Walmsley <paul@pwsan.com>
> 
> Feel free to send this one upstream separately if you like, until the 
> clock -rc series is ready.

OK, thanks, will add into omap-fixes-for-linus.

Regards,

Tony