Re: [PATCH 00/23] twl4030 patches (v4)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Sep 30, 2008 at 09:26:09AM -0700, Steve Sakoman wrote:
> On Tue, Sep 30, 2008 at 6:05 AM, Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> 
> > Let's plan on applying these tomorrow unless there are more comments.
> 
> I'm seeing some issues on Overo when applying these patches.
> 
> On a cold boot everything proceeds normally (including devices being
> enumerated on the musb channel) until the kernel attempts to mount the
> rootfs from mmc.  At that point boot messages stop:
> 
> mmc0: new high speed SD card at address 55ce
> mmcblk0: mmc0:55ce SD02G 1921024KiB
>  mmcblk0:<7>mmc0: starting CMD18 arg 00000000 flags 000000b5
>  p1 p2
> 
> At first I thought mmc support was broken and the system was hung.
> But after a 10 - 20 second delay I noticed that approximately every 10
> seconds I get the following message:
> 
> musb_h_tx_flush_fifo 124: Could not flush host TX fifo: csr: 000a
> 
> After a few cycles of this the boot continues and completes normally,
> but the musb port is now non-functional.
> 
> If I do a reboot command or press the reset button, the overo reboots
> without the above delays or error messages, however the musb port is
> non-functional.
> 
> It seems that something has gone awry in the twl4030 usb section,
> since I get a functional system without these patches.  Any
> suggestions as to where I should begin looking to help debug this?

remove the devices you have attached to musb port for now. musb
shouldn't prevent these patches from being applied. As I said before,
musb otg-host mode is not quite ok for omap3.

I'm pretty sure we're gonna have a lot to patch in order to get it in
good shape. A few patches are already coming from mainline btw.

-- 
balbi
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux