linux-kernel - [PATCH v3 01/14] spi: Remove unneeded OF node NULL checks

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Message-Id: <20230711171756.86736-2-andriy.shevchenko@linux.intel.com>
Date:   Tue, 11 Jul 2023 20:17:43 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Mark Brown <broonie@...nel.org>,
        Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
        Yang Yingliang <yangyingliang@...wei.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
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        Uwe Kleine-König 
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Subject: [PATCH v3 01/14] spi: Remove unneeded OF node NULL checks

In the couple of places the NULL check of OF node is implied by the call
that takes it as a parameter. Drop the respective duplicate checks.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com> # MediaTek
---
 drivers/spi/spi.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 9291b2a0e887..8f3282a71c63 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -2399,9 +2399,6 @@ static void of_register_spi_devices(struct spi_controller *ctlr)
 	struct spi_device *spi;
 	struct device_node *nc;
 
-	if (!ctlr->dev.of_node)
-		return;
-
 	for_each_available_child_of_node(ctlr->dev.of_node, nc) {
 		if (of_node_test_and_set_flag(nc, OF_POPULATED))
 			continue;
@@ -3134,7 +3131,7 @@ int spi_register_controller(struct spi_controller *ctlr)
 		if (WARN(id < 0, "couldn't get idr"))
 			return id == -ENOSPC ? -EBUSY : id;
 		ctlr->bus_num = id;
-	} else if (ctlr->dev.of_node) {
+	} else {
 		/* Allocate dynamic bus number using Linux idr */
 		id = of_alias_get_id(ctlr->dev.of_node, "spi");
 		if (id >= 0) {
-- 
2.40.0.1.gaa8946217a0b