dt/s3c64xx/spi: Use of_get_child_by_name to get a named child
As follow-up to "dt: introduce of_get_child_by_name to get child node by
name." patch, This patch removes some of the code duplication in the
driver by replacing it with of_get_child_by_name instead.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 646a765..12b8c9c 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -835,9 +835,7 @@
return ERR_PTR(-EINVAL);
}
- for_each_child_of_node(slave_np, data_np)
- if (!strcmp(data_np->name, "controller-data"))
- break;
+ data_np = of_get_child_by_name(slave_np, "controller-data");
if (!data_np) {
dev_err(&spi->dev, "child node 'controller-data' not found\n");
return ERR_PTR(-EINVAL);
@@ -847,6 +845,7 @@
if (!cs) {
dev_err(&spi->dev, "could not allocate memory for controller"
" data\n");
+ of_node_put(data_np);
return ERR_PTR(-ENOMEM);
}
@@ -855,11 +854,13 @@
dev_err(&spi->dev, "chip select gpio is not specified or "
"invalid\n");
kfree(cs);
+ of_node_put(data_np);
return ERR_PTR(-EINVAL);
}
of_property_read_u32(data_np, "samsung,spi-feedback-delay", &fb_delay);
cs->fb_delay = fb_delay;
+ of_node_put(data_np);
return cs;
}