linux-kernel - [PATCH 1/4] fsi: occ: Don't accept response from un-initialized OCC

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Message-Id: <20210209171235.20624-2-eajames@linux.ibm.com>
Date:   Tue,  9 Feb 2021 11:12:32 -0600
From:   Eddie James <eajames@...ux.ibm.com>
To:     linux-hwmon@...r.kernel.org
Cc:     linux-fsi@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        jk@...abs.org, joel@....id.au, alistair@...ple.id.au,
        jdelvare@...e.com, linux@...ck-us.net,
        Eddie James <eajames@...ux.ibm.com>
Subject: [PATCH 1/4] fsi: occ: Don't accept response from un-initialized OCC

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@...ux.ibm.com>
---
 drivers/fsi/fsi-occ.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/fsi/fsi-occ.c b/drivers/fsi/fsi-occ.c
index 10ca2e290655..cb05b6dacc9d 100644
--- a/drivers/fsi/fsi-occ.c
+++ b/drivers/fsi/fsi-occ.c
@@ -495,6 +495,7 @@ 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;
 
-- 
2.27.0