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slimbus: ngd: Fix build error on x86 

on non DT platforms like x86 of_match_node is set to NULL, dereferencing
directly would throw an error.
Fix this by doing this in two steps, get the match then the data.

Reported-by: Greg KH <gregkh@linuxfoundation.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Srinivas Kandagatla 2018-11-12 12:25:25 +00:00 committed by Greg Kroah-Hartman
parent aa1f0fa374
commit 458a445deb
1 changed files with 3 additions and 2 deletions
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5
drivers/slimbus/qcom-ngd-ctrl.c
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@ -1327,11 +1327,12 @@ static int of_qcom_slim_ngd_register(struct device *parent,
{
const struct ngd_reg_offset_data *data;
struct qcom_slim_ngd *ngd;
const struct of_device_id *match;
struct device_node *node;
u32 id;
data = of_match_node(qcom_slim_ngd_dt_match, parent->of_node)->data;
match = of_match_node(qcom_slim_ngd_dt_match, parent->of_node);
data = match->data;
for_each_available_child_of_node(parent->of_node, node) {
if (of_property_read_u32(node, "reg", &id))
continue;