[PATCH] crypto: n2: Use of_property_read_reg() to parse "reg"

From: Rob Herring
Date: Fri Jun 09 2023 - 14:31:18 EST


Use the recently added of_property_read_reg() helper to get the
untranslated "reg" address value.

Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
---
drivers/crypto/n2_core.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c
index 20d0dcd50344..4f6ca229ee5e 100644
--- a/drivers/crypto/n2_core.c
+++ b/drivers/crypto/n2_core.c
@@ -9,6 +9,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/cpumask.h>
#include <linux/slab.h>
@@ -1795,11 +1796,9 @@ static int grab_mdesc_irq_props(struct mdesc_handle *mdesc,
struct spu_mdesc_info *ip,
const char *node_name)
{
- const unsigned int *reg;
- u64 node;
+ u64 node, reg;

- reg = of_get_property(dev->dev.of_node, "reg", NULL);
- if (!reg)
+ if (of_property_read_reg(dev->dev.of_node, 0, &reg, NULL) < 0)
return -ENODEV;

mdesc_for_each_node_by_name(mdesc, node, "virtual-device") {
@@ -1810,7 +1809,7 @@ static int grab_mdesc_irq_props(struct mdesc_handle *mdesc,
if (!name || strcmp(name, node_name))
continue;
chdl = mdesc_get_property(mdesc, node, "cfg-handle", NULL);
- if (!chdl || (*chdl != *reg))
+ if (!chdl || (*chdl != reg))
continue;
ip->cfg_handle = *chdl;
return get_irq_props(mdesc, node, ip);
--
2.39.2