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fsi: occ: Don't accept response from un-initialized OCC 

[ Upstream commit 8a4659be08576141f47d47d94130eb148cb5f0df ]

If the OCC is not initialized and responds as such, the driver
should continue waiting for a valid response until the timeout
expires.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Fixes: 7ed98dddb7 ("fsi: Add On-Chip Controller (OCC) driver")
Link: https://lore.kernel.org/r/20210209171235.20624-2-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Eddie James 2021-02-09 11:12:32 -06:00 committed by Greg Kroah-Hartman
parent 96c914057a
commit d903eee764
1 changed files with 1 additions and 0 deletions
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drivers/fsi/fsi-occ.c
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@ -445,6 +445,7 @@ int fsi_occ_submit(struct device *dev, const void *request, size_t req_len,
goto done;
if (resp->return_status == OCC_RESP_CMD_IN_PRG ||
resp->return_status == OCC_RESP_CRIT_INIT ||
resp->seq_no != seq_no) {
rc = -ETIMEDOUT;