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@ -28,8 +28,10 @@ w1-gpio: Sort out the pullup/parasitic power tangle |
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include/linux/w1-gpio.h | 1 +
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5 files changed, 99 insertions(+), 9 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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Index: linux-4.9.111/drivers/w1/masters/w1-gpio.c
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===================================================================
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--- linux-4.9.111.orig/drivers/w1/masters/w1-gpio.c
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+++ linux-4.9.111/drivers/w1/masters/w1-gpio.c
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@@ -23,6 +23,19 @@
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#include "../w1.h"
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#include "../w1_int.h"
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@ -94,28 +96,7 @@ w1-gpio: Sort out the pullup/parasitic power tangle |
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pdev->dev.platform_data = pdata;
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@@ -113,13 +140,15 @@ 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 = pdev->dev.platform_data;
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int err;
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- if (of_have_populated_dt()) {
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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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+ if(pdata == NULL) {
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+ if (of_have_populated_dt()) {
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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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+ }
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}
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pdata = dev_get_platdata(&pdev->dev);
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@@ -136,6 +165,22 @@ static int w1_gpio_probe(struct platform
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@@ -135,6 +162,22 @@ static int w1_gpio_probe(struct platform
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return -ENOMEM;
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}
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@ -138,7 +119,7 @@ w1-gpio: Sort out the pullup/parasitic power tangle |
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err = devm_gpio_request(&pdev->dev, pdata->pin, "w1");
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if (err) {
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dev_err(&pdev->dev, "gpio_request (pin) failed\n");
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@@ -165,6 +210,14 @@ static int w1_gpio_probe(struct platform
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@@ -164,6 +207,14 @@ static int w1_gpio_probe(struct platform
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master->set_pullup = w1_gpio_set_pullup;
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}
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@ -153,7 +134,7 @@ w1-gpio: Sort out the pullup/parasitic power tangle |
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err = w1_add_master_device(master);
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if (err) {
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dev_err(&pdev->dev, "w1_add_master device failed\n");
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@@ -195,6 +248,10 @@ static int w1_gpio_remove(struct platfor
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@@ -194,6 +245,10 @@ static int w1_gpio_remove(struct platfor
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w1_remove_master_device(master);
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@ -164,8 +145,10 @@ w1-gpio: Sort out the pullup/parasitic power tangle |
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return 0;
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}
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--- a/drivers/w1/w1.h
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+++ b/drivers/w1/w1.h
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Index: linux-4.9.111/drivers/w1/w1.h
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===================================================================
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--- linux-4.9.111.orig/drivers/w1/w1.h
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+++ linux-4.9.111/drivers/w1/w1.h
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@@ -173,6 +173,12 @@ struct w1_bus_master
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u8 (*set_pullup)(void *, int);
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@ -179,8 +162,10 @@ w1-gpio: Sort out the pullup/parasitic power tangle |
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void (*search)(void *, struct w1_master *,
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u8, w1_slave_found_callback);
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};
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--- a/drivers/w1/w1_int.c
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+++ b/drivers/w1/w1_int.c
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Index: linux-4.9.111/drivers/w1/w1_int.c
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===================================================================
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--- linux-4.9.111.orig/drivers/w1/w1_int.c
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+++ linux-4.9.111/drivers/w1/w1_int.c
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@@ -122,6 +122,20 @@ int w1_add_master_device(struct w1_bus_m
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return(-EINVAL);
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}
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@ -202,8 +187,10 @@ w1-gpio: Sort out the pullup/parasitic power tangle |
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/* Lock until the device is added (or not) to w1_masters. */
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mutex_lock(&w1_mlock);
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/* Search for the first available id (starting at 1). */
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--- a/drivers/w1/w1_io.c
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+++ b/drivers/w1/w1_io.c
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Index: linux-4.9.111/drivers/w1/w1_io.c
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===================================================================
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--- linux-4.9.111.orig/drivers/w1/w1_io.c
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+++ linux-4.9.111/drivers/w1/w1_io.c
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@@ -134,10 +134,22 @@ static void w1_pre_write(struct w1_maste
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static void w1_post_write(struct w1_master *dev)
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{
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@ -230,8 +217,10 @@ w1-gpio: Sort out the pullup/parasitic power tangle |
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dev->pullup_duration = 0;
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}
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}
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--- a/include/linux/w1-gpio.h
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+++ b/include/linux/w1-gpio.h
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Index: linux-4.9.111/include/linux/w1-gpio.h
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===================================================================
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--- linux-4.9.111.orig/include/linux/w1-gpio.h
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+++ linux-4.9.111/include/linux/w1-gpio.h
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@@ -18,6 +18,7 @@
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struct w1_gpio_platform_data {
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unsigned int pin;
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