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| author | Pawel Dembicki <paweldembicki@gmail.com> | 2018-02-15 22:21:25 +0100 |
|---|---|---|
| committer | John Crispin <john@phrozen.org> | 2018-08-08 15:41:22 +0200 |
| commit | eb06fa6cf73a8a10615ff0e311faf2eb862be3f6 (patch) | |
| tree | 924ada079f5b37272bc00e3897c7c5649cf642f4 | |
| parent | 25cb85abe7f38efeef31b9b9bda094dc1c3862c5 (diff) | |
| download | mtk-20170518-eb06fa6cf73a8a10615ff0e311faf2eb862be3f6.zip mtk-20170518-eb06fa6cf73a8a10615ff0e311faf2eb862be3f6.tar.gz mtk-20170518-eb06fa6cf73a8a10615ff0e311faf2eb862be3f6.tar.bz2 | |
kernel: generic: fix problem with w1-gpio-custom
In boards with fdt is impossible to use kmod-w1-gpio-custom.
w1-gpio-custom create platform structure for w1-gpio module,
but if board use fdt, data is ignored in w1-gpio probe.
This workaround fix the problem.
Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
(cherry picked from commit aa5838adb7be733c427e63bb6cc702f9a533292d)
2 files changed, 86 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.14/0931-w1-gpio-fix-problem-with-platfom-data-in-w1-gpio.patch b/target/linux/generic/pending-4.14/0931-w1-gpio-fix-problem-with-platfom-data-in-w1-gpio.patch new file mode 100644 index 0000000..5ce2bf8 --- /dev/null +++ b/target/linux/generic/pending-4.14/0931-w1-gpio-fix-problem-with-platfom-data-in-w1-gpio.patch @@ -0,0 +1,43 @@ +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(-) + +diff --git a/drivers/w1/masters/w1-gpio.c b/drivers/w1/masters/w1-gpio.c +index a90728ceec5a..7b80762941af 100644 +--- 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 platform_device *pdev) + 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; +-- +2.14.1 + diff --git a/target/linux/generic/pending-4.9/0931-w1-gpio-fix-problem-with-platfom-data-in-w1-gpio.patch b/target/linux/generic/pending-4.9/0931-w1-gpio-fix-problem-with-platfom-data-in-w1-gpio.patch new file mode 100644 index 0000000..5ce2bf8 --- /dev/null +++ b/target/linux/generic/pending-4.9/0931-w1-gpio-fix-problem-with-platfom-data-in-w1-gpio.patch @@ -0,0 +1,43 @@ +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(-) + +diff --git a/drivers/w1/masters/w1-gpio.c b/drivers/w1/masters/w1-gpio.c +index a90728ceec5a..7b80762941af 100644 +--- 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 platform_device *pdev) + 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; +-- +2.14.1 + |