[PATCH] i2c: powermac: Simplify reading the "reg" and "i2c-address" property
Aishwarya R
aishwaryarj100 at gmail.com
Wed Apr 8 20:03:53 AEST 2020
Use of_property_read_u32 to read the "reg" and "i2c-address" property
instead of using of_get_property to check the return values.
Signed-off-by: Aishwarya R <aishwaryarj100 at gmail.com>
---
drivers/i2c/busses/i2c-powermac.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c
index d565714c1f13..81506c2dab65 100644
--- a/drivers/i2c/busses/i2c-powermac.c
+++ b/drivers/i2c/busses/i2c-powermac.c
@@ -207,18 +207,18 @@ static u32 i2c_powermac_get_addr(struct i2c_adapter *adap,
struct pmac_i2c_bus *bus,
struct device_node *node)
{
- const __be32 *prop;
- int len;
+ u32 prop;
+ int ret;
/* First check for valid "reg" */
- prop = of_get_property(node, "reg", &len);
- if (prop && (len >= sizeof(int)))
- return (be32_to_cpup(prop) & 0xff) >> 1;
+ ret = of_property_read_u32(node, "reg", &prop);
+ if (ret == 0)
+ return (prop & 0xff) >> 1;
/* Then check old-style "i2c-address" */
- prop = of_get_property(node, "i2c-address", &len);
- if (prop && (len >= sizeof(int)))
- return (be32_to_cpup(prop) & 0xff) >> 1;
+ ret = of_property_read_u32(node, "i2c-address", &prop);
+ if (ret == 0)
+ return (prop & 0xff) >> 1;
/* Now handle some devices with missing "reg" properties */
if (of_node_name_eq(node, "cereal"))
--
2.17.1
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