Hi Grazvydas, Steve,

On Thu, 11 Dec 2008, Grazvydas Ignotas wrote:

> > Can you please post whatever patches you need to apply to make it work
> > occasionally so others can also look at the issue?
> 
> For pandora, making infinite while loops finite doesn't help much,
> kernel crashes later on. Steve had this too:
> http://marc.info/?l=linux-omap&m=122378604027303&w=2
> 
> I did bisect and found that commit
> 8b1f0bd44fe490ec631230c8c040753a2bda8caa is causing the hang for me.
> Reverting this makes EHCI work again on pandora.
> http://marc.info/?l=linux-omap&m=122453174024860&w=2

Would one of you be willing to run with this patch and send back any debug 
output relating to dpll5_ck ?  (Unfortunately, I don't have access to any 
boards with EHCI hardware, so cannot try it myself)

This will help determine what fix should be applied


- Paul



Add debugging in omap3_noncore_dpll_enable() - for testing only.

---
 arch/arm/mach-omap2/clock34xx.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c
index 2c655be..3b80667 100644
--- a/arch/arm/mach-omap2/clock34xx.c
+++ b/arch/arm/mach-omap2/clock34xx.c
@@ -275,6 +275,10 @@ static int omap3_noncore_dpll_enable(struct clk *clk)
        if (!dd)
                return -EINVAL;
 
+       pr_info("clock: %s: clk->rate = %ld, hdwr rate = %d, parent "
+               "rate = %ld\n", clk->name, clk->rate, 
+               omap2_get_dpll_rate(clk), dd->bypass_clk->rate);
+
        if (clk->rate == dd->bypass_clk->rate)
                r = _omap3_noncore_dpll_bypass(clk);
        else


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