linux-kernel - [PATCH v8 8/8] fsi: sbefifo: Don't check status during probe

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Date:   Mon,  6 Mar 2023 10:10:56 -0600
From:   Eddie James <eajames@...ux.ibm.com>
To:     linux-fsi@...ts.ozlabs.org
Cc:     rostedt@...dmis.org, linux-trace-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        mhiramat@...nel.org, alistair@...ple.id.au, joel@....id.au,
        jk@...abs.org, andrew@...id.au, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, eajames@...ux.ibm.com
Subject: [PATCH v8 8/8] fsi: sbefifo: Don't check status during probe

The status check during probe doesn't serve any purpose. Any attempt
to use the SBEFIFO will result in the same check and cleanup.

Signed-off-by: Eddie James <eajames@...ux.ibm.com>
---
 drivers/fsi/fsi-sbefifo.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/fsi/fsi-sbefifo.c b/drivers/fsi/fsi-sbefifo.c
index 9912b7a6a4b9..42d7c95528d1 100644
--- a/drivers/fsi/fsi-sbefifo.c
+++ b/drivers/fsi/fsi-sbefifo.c
@@ -1027,14 +1027,6 @@ static int sbefifo_probe(struct device *dev)
 	mutex_init(&sbefifo->lock);
 	sbefifo->timeout_start_rsp_ms = SBEFIFO_TIMEOUT_START_RSP;
 
-	/*
-	 * Try cleaning up the FIFO. If this fails, we still register the
-	 * driver and will try cleaning things up again on the next access.
-	 */
-	rc = sbefifo_cleanup_hw(sbefifo);
-	if (rc && rc != -ESHUTDOWN)
-		dev_err(dev, "Initial HW cleanup failed, will retry later\n");
-
 	/* Create chardev for userspace access */
 	sbefifo->dev.type = &fsi_cdev_type;
 	sbefifo->dev.parent = dev;
-- 
2.31.1