[S390] cio: no path after machine check.
Devices enter no-path state after disabling a channel path via the SE even though another path has been reenabled at the SE. The devices are set into no-path state before triggering path verification even though other paths may have become available. To fix this trigger path verification before setting a device into no-path state. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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@ -238,8 +238,6 @@ s390_subchannel_remove_chpid(struct device *dev, void *data)
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/* Check for single path devices. */
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if (sch->schib.pmcw.pim == 0x80)
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goto out_unreg;
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if (sch->vpm == mask)
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goto out_unreg;
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if ((sch->schib.scsw.actl & SCSW_ACTL_DEVACT) &&
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(sch->schib.scsw.actl & SCSW_ACTL_SCHACT) &&
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@ -258,6 +256,8 @@ s390_subchannel_remove_chpid(struct device *dev, void *data)
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/* trigger path verification. */
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if (sch->driver && sch->driver->verify)
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sch->driver->verify(&sch->dev);
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else if (sch->vpm == mask)
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goto out_unreg;
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out_unlock:
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spin_unlock_irq(&sch->lock);
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return 0;
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