ccw_device_clear
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Name

ccw_device_clear — terminate I/O request processing

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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