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early printk

DISCUSSION Saint-Etienne, Eric 4 participants 6 messages Jan 18, 2007 – Jan 21, 2007 1 message not in the archive

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#1 lore raw

Hi,

I'm looking fwd to use an early printk for omap2 like it exists on other architectures.

Did someone already released an early-printk patch?

Thanks.

#2 lore raw
Quoted 6 lines · Saint-Etienne, Eric

Hi,

I'm looking fwd to use an early printk for omap2 like it exists on other architectures.

Did someone already released an early-printk patch?

Do you mean something other than low level printk?

Low level printk should work, see CONFIG_DEBUG_LL and CONFIG_OMAP_LL_DEBUG_UART1 (or 2 or 3).

Tony

#3 lore raw
Quoted 6 lines
Quoted 1 line

Did someone already released an early-printk patch?

Do you mean something other than low level printk?

Low level printk should work, see CONFIG_DEBUG_LL and CONFIG_OMAP_LL_DEBUG_UART1 (or 2 or 3).

Seems like there has been some noise around some RT'ish changes + Timers breaking some early printk's on the other lists. I've not tried a build recently to see if it affects OMAP at all.

Or it's a straight forward as CONFIG_DEBUG_LL.

Regards,
Richard W.

#4 lore raw
Quoted 11 lines · Richard
Quoted 6 lines
Quoted 1 line

Did someone already released an early-printk patch?

Do you mean something other than low level printk?

Low level printk should work, see CONFIG_DEBUG_LL and CONFIG_OMAP_LL_DEBUG_UART1 (or 2 or 3).

Seems like there has been some noise around some RT'ish changes + Timers breaking some early printk's on the other lists. I've not tried a build recently to see if it affects OMAP at all.

At least on OSK (OMAP1) CONFIG_DEBUG_LL works with recent git. Have no OMAP2 to test though.

Dirk

#5 lore raw
In reply to Woodruff, Richard
Quoted 5 lines
Quoted 2 lines

Did someone already released an early-printk patch?

[...] Or it's a straight forward as CONFIG_DEBUG_LL

CONFIG_DEBUG_LL doesn't work for me, have to debug.

Thanks all for your suggestions.

~eric

#6 lore raw
Quoted 7 lines · Eric
Quoted 4 lines
Quoted 1 line

Did someone already released an early-printk patch?

[...] Or it's a straight forward as CONFIG_DEBUG_LL

CONFIG_DEBUG_LL doesn't work for me, have to debug.

Just guessing, don't know OMAP2:

On OMAP1 we fixed [1] to get CONFIG_DEBUG_LL to work again. Maybe it's worth checking anything similiar on OMAP2, too?

What does "CONFIG_DEBUG_LL doesn't work for me" mean? No output at all?

Cheers

Dirk

[1] http://source.mvista.com/git/gitweb.cgi?p=linux-omap-2.6.git;a=commitdiff;h=0f0421b9c44c558ee2c8c58bd2f86231f93d3ed6