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Diffstat (limited to 'target/linux/generic/pending-4.19/0931-w1-gpio-fix-problem-with-platfom-data-in-w1-gpio.patch')
-rw-r--r--target/linux/generic/pending-4.19/0931-w1-gpio-fix-problem-with-platfom-data-in-w1-gpio.patch38
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.19/0931-w1-gpio-fix-problem-with-platfom-data-in-w1-gpio.patch b/target/linux/generic/pending-4.19/0931-w1-gpio-fix-problem-with-platfom-data-in-w1-gpio.patch
new file mode 100644
index 0000000000..0c4a13f9df
--- /dev/null
+++ b/target/linux/generic/pending-4.19/0931-w1-gpio-fix-problem-with-platfom-data-in-w1-gpio.patch
@@ -0,0 +1,38 @@
+From d9c8bc8c1408f3e8529db6e4e04017b4c579c342 Mon Sep 17 00:00:00 2001
+From: Pawel Dembicki <paweldembicki@gmail.com>
+Date: Sun, 18 Feb 2018 17:08:04 +0100
+Subject: [PATCH] w1: gpio: fix problem with platfom data in w1-gpio
+
+In devices, where fdt is used, is impossible to apply platform data
+without proper fdt node.
+
+This patch allow to use platform data in devices with fdt.
+
+Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
+---
+ drivers/w1/masters/w1-gpio.c | 7 +++----
+ 1 file changed, 3 insertions(+), 4 deletions(-)
+
+--- a/drivers/w1/masters/w1-gpio.c
++++ b/drivers/w1/masters/w1-gpio.c
+@@ -112,17 +112,16 @@ static int w1_gpio_probe_dt(struct platf
+ static int w1_gpio_probe(struct platform_device *pdev)
+ {
+ struct w1_bus_master *master;
+- struct w1_gpio_platform_data *pdata;
++ struct w1_gpio_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ int err;
+
+- if (of_have_populated_dt()) {
++ if (of_have_populated_dt() && !pdata) {
+ err = w1_gpio_probe_dt(pdev);
+ if (err < 0)
+ return err;
++ pdata = dev_get_platdata(&pdev->dev);
+ }
+
+- pdata = dev_get_platdata(&pdev->dev);
+-
+ if (!pdata) {
+ dev_err(&pdev->dev, "No configuration data\n");
+ return -ENXIO;