Hello. On 16-12-2011 2:42, Felipe Contreras wrote:
In musb_init_controller() there's a pm_runtime_put(), but there's no pm_runtime_get(), which creates a mismatch that causes the driver to sleep when it shouldn't.
This was introduced in 7acc619, but it wasn't triggered until 18a2689 was merged to Linus' branch at point 6899608.
Please also specify the summaries for the commits you're mentioning.
However, it seems most of the time this is used in a way that keeps the counter above 0, so nobody noticed. Also, it seems to depend on the configuration used.
I found the problem by loading isp1704_charger before any usb gadgets: http://article.gmane.org/gmane.linux.kernel/1226122
All versions after 2.6.39 are affected.
Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Felipe Contreras<felipe.contreras@xxxxxxxxx>
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