Jan Glauber c59b9f9265 s390/pci: no msleep in potential IRQ context
The PCI instructions may be used in IRQ context so scheduling is forbidden.
Use udelay and shorten the delay since we are now polling.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-12-05 09:12:51 -05:00
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