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Message-Id: <20230310144723.1544999-1-robh@kernel.org>
Date:   Fri, 10 Mar 2023 08:47:23 -0600
From:   Rob Herring <robh@...nel.org>
To:     "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Cc:     devicetree@...r.kernel.org, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] scsi: Use of_property_read_bool() for boolean properties

It is preferred to use typed property access functions (i.e.
of_property_read_<type> functions) rather than low-level
of_get_property/of_find_property functions for reading properties.
Convert reading boolean properties to to of_property_read_bool().

Signed-off-by: Rob Herring <robh@...nel.org>
---
 drivers/scsi/qlogicpti.c | 11 +++++------
 drivers/scsi/sun_esp.c   |  2 +-
 2 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index 8c961ff03fcd..bf08c7cd10ef 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -513,7 +513,7 @@ static int qlogicpti_load_firmware(struct qlogicpti *qpti)
 		       qpti->qpti_id);
 		err = 1;
 		goto out;
-	}		
+	}
 	sbus_writew(SBUS_CTRL_RESET, qpti->qregs + SBUS_CTRL);
 	sbus_writew((DMA_CTRL_CCLEAR | DMA_CTRL_CIRQ), qpti->qregs + CMD_DMA_CTRL);
 	sbus_writew((DMA_CTRL_CCLEAR | DMA_CTRL_CIRQ), qpti->qregs + DATA_DMA_CTRL);
@@ -563,7 +563,7 @@ static int qlogicpti_load_firmware(struct qlogicpti *qpti)
 		       qpti->qpti_id);
 		err = 1;
 		goto out;
-	}		
+	}
 
 	/* Load it up.. */
 	for (i = 0; i < risc_code_length; i++) {
@@ -1136,7 +1136,7 @@ static struct scsi_cmnd *qlogicpti_intr_handler(struct qlogicpti *qpti)
 
 	if (!(sbus_readw(qpti->qregs + SBUS_STAT) & SBUS_STAT_RINT))
 		return NULL;
-		
+
 	in_ptr = sbus_readw(qpti->qregs + MBOX5);
 	sbus_writew(HCCTRL_CRIRQ, qpti->qregs + HCCTRL);
 	if (sbus_readw(qpti->qregs + SBUS_SEMAPHORE) & SBUS_SEMAPHORE_LCK) {
@@ -1362,9 +1362,8 @@ static int qpti_sbus_probe(struct platform_device *op)
 	fcode = of_get_property(dp, "isp-fcode", NULL);
 	if (fcode && fcode[0])
 		printk("(FCode %s)", fcode);
-	if (of_find_property(dp, "differential", NULL) != NULL)
-		qpti->differential = 1;
-			
+	qpti->differential = of_property_read_bool(dp, "differential");
+
 	printk("\nqlogicpti%d: [%s Wide, using %s interface]\n",
 		qpti->qpti_id,
 		(qpti->ultra ? "Ultra" : "Fast"),
diff --git a/drivers/scsi/sun_esp.c b/drivers/scsi/sun_esp.c
index 5dc38d35745b..58bdd71fef06 100644
--- a/drivers/scsi/sun_esp.c
+++ b/drivers/scsi/sun_esp.c
@@ -146,7 +146,7 @@ static void esp_get_differential(struct esp *esp)
 	struct device_node *dp;
 
 	dp = op->dev.of_node;
-	if (of_find_property(dp, "differential", NULL))
+	if (of_property_read_bool(dp, "differential"))
 		esp->flags |= ESP_FLAG_DIFFERENTIAL;
 	else
 		esp->flags &= ~ESP_FLAG_DIFFERENTIAL;
-- 
2.39.2

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