[PATCH] tpm: Use of_reserved_mem_region_to_resource() for "memory-region"

From: Rob Herring (Arm)
Date: Thu Jul 03 2025 - 14:36:06 EST


Use the newly added of_reserved_mem_region_to_resource() function to
handle "memory-region" properties.

Signed-off-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
---
drivers/char/tpm/eventlog/of.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/char/tpm/eventlog/of.c b/drivers/char/tpm/eventlog/of.c
index 930fe43d5daf..92cec9722ee4 100644
--- a/drivers/char/tpm/eventlog/of.c
+++ b/drivers/char/tpm/eventlog/of.c
@@ -24,16 +24,10 @@

static int tpm_read_log_memory_region(struct tpm_chip *chip)
{
- struct device_node *node;
struct resource res;
int rc;

- node = of_parse_phandle(chip->dev.parent->of_node, "memory-region", 0);
- if (!node)
- return -ENODEV;
-
- rc = of_address_to_resource(node, 0, &res);
- of_node_put(node);
+ rc = of_reserved_mem_region_to_resource(chip->dev.parent->of_node, 0, &res);
if (rc)
return rc;

--
2.47.2