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