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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;
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