blob: 33eb34c913ea4a81017f3512ccc935b91f7fc61d [file] [log] [blame]
developerec4ebe42022-04-12 11:17:45 +08001From d9c8bc8c1408f3e8529db6e4e04017b4c579c342 Mon Sep 17 00:00:00 2001
2From: Pawel Dembicki <paweldembicki@gmail.com>
3Date: Sun, 18 Feb 2018 17:08:04 +0100
4Subject: [PATCH] w1: gpio: fix problem with platfom data in w1-gpio
5
6In devices, where fdt is used, is impossible to apply platform data
7without proper fdt node.
8
9This patch allow to use platform data in devices with fdt.
10
11Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
12---
13 drivers/w1/masters/w1-gpio.c | 7 +++----
14 1 file changed, 3 insertions(+), 4 deletions(-)
15
16--- a/drivers/w1/masters/w1-gpio.c
17+++ b/drivers/w1/masters/w1-gpio.c
18@@ -76,7 +76,7 @@ static int w1_gpio_probe(struct platform
19 enum gpiod_flags gflags = GPIOD_OUT_LOW_OPEN_DRAIN;
20 int err;
21
22- if (of_have_populated_dt()) {
23+ if (of_have_populated_dt() && !dev_get_platdata(&pdev->dev)) {
24 pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
25 if (!pdata)
26 return -ENOMEM;