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authorSrinivas Kandagatla <srinivas.kandagatla@st.com>2012-09-18 08:10:49 +0100
committerRob Herring <rob.herring@calxeda.com>2012-10-01 10:50:26 -0500
commit06455bbcab76e5f5225de5f38ab948d37a1c3587 (patch)
tree65102813735352fc40a31fca68edca5e5fec2b29 /drivers/spi
parent9c19761a7ecdc86abb2fba0feb81e8952eccc1f1 (diff)
downloadlinux-06455bbcab76e5f5225de5f38ab948d37a1c3587.tar.gz
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>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-s3c64xx.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 646a7657fe6..12b8c9c608e 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -835,9 +835,7 @@ static struct s3c64xx_spi_csinfo *s3c64xx_get_slave_ctrldata(
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 @@ static struct s3c64xx_spi_csinfo *s3c64xx_get_slave_ctrldata(
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 @@ static struct s3c64xx_spi_csinfo *s3c64xx_get_slave_ctrldata(
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;
}