SYNOPSIS
- int ccw_device_clear(struct ccw_device * cdev, unsigned long intparm);
ARGUMENTS
cdev
-
- target ccw device
intparm
- interruption parameter; value is only used if no I/O is outstanding, otherwise the intparm associated with the I/O request is returned
DESCRIPTION
ccw_device_clear calls csch on cdev's subchannel.
RETURNS
0 on success, -ENODEV on device not operational, -EINVAL on invalid device state.
CONTEXT
Interrupts disabled, ccw device lock held
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