s390/pci: improve handling of hotplug event 0x301
Hypervisors may deliver event 0x301 not only for standby but also for reserved devices. Just handle event 0x301 regardless of the device's state. Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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@ -75,7 +75,13 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf)
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zpci_err_hex(ccdf, sizeof(*ccdf));
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switch (ccdf->pec) {
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case 0x0301: /* Standby -> Configured */
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case 0x0301: /* Reserved|Standby -> Configured */
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if (!zdev) {
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ret = clp_add_pci_device(ccdf->fid, ccdf->fh, 0);
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if (ret)
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break;
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zdev = get_zdev_by_fid(ccdf->fid);
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}
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if (!zdev || zdev->state != ZPCI_FN_STATE_STANDBY)
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break;
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zdev->state = ZPCI_FN_STATE_CONFIGURED;
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