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authorAishwarya R <aishwaryarj100@gmail.com>2020-04-08 15:33:53 +0530
committerWolfram Sang <wsa@the-dreams.de>2020-04-26 10:31:27 +0200
commit6b98bf01d2af40141cc7d831a1d2064f6f25e45e (patch)
treeac3051fe475b253365c2d245f054594494eb54f8
parent1b9e68533299253f5c7d87ccc4cd39ed0dccb37d (diff)
i2c: powermac: Simplify reading the "reg" and "i2c-address" property
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@gmail.com> Tested-by: Erhard Furtner <erhard_f@mailbox.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
-rw-r--r--drivers/i2c/busses/i2c-powermac.c16
1 files 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"))