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s390: chp: handle CRW_ERC_INIT for channel-path status change
When channel path is identified as the report source code (RSC) of a CRW, and initialized (CRW_ERC_INIT) is recognized as the error recovery code (ERC) by the channel subsystem, it indicates a "path has come" event. Let's handle this case in chp_process_crw(). Reviewed-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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@ -559,6 +559,7 @@ static void chp_process_crw(struct crw *crw0, struct crw *crw1,
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chpid.id = crw0->rsid;
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switch (crw0->erc) {
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case CRW_ERC_IPARM: /* Path has come. */
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case CRW_ERC_INIT:
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if (!chp_is_registered(chpid))
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chp_new(chpid);
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chsc_chp_online(chpid);
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