summaryrefslogtreecommitdiffstats
path: root/drivers/w1/masters
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2009-09-07 08:19:51 +0200
committerIngo Molnar <mingo@elte.hu>2009-09-07 08:19:51 +0200
commita1922ed661ab2c1637d0b10cde933bd9cd33d965 (patch)
tree0f1777542b385ebefd30b3586d830fd8ed6fda5b /drivers/w1/masters
parent75e33751ca8bbb72dd6f1a74d2810ddc8cbe4bdf (diff)
parentd28daf923ac5e4a0d7cecebae56f3e339189366b (diff)
Merge branch 'tracing/core' into tracing/hw-breakpoints
Conflicts: arch/Kconfig kernel/trace/trace.h Merge reason: resolve the conflicts, plus adopt to the new ring-buffer APIs. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/w1/masters')
-rw-r--r--drivers/w1/masters/omap_hdq.c1
-rw-r--r--drivers/w1/masters/w1-gpio.c35
2 files changed, 36 insertions, 0 deletions
diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c
index a7e3b706b9d..0d92969404c 100644
--- a/drivers/w1/masters/omap_hdq.c
+++ b/drivers/w1/masters/omap_hdq.c
@@ -687,6 +687,7 @@ static int omap_hdq_remove(struct platform_device *pdev)
if (hdq_data->hdq_usecount) {
dev_dbg(&pdev->dev, "removed when use count is not zero\n");
+ mutex_unlock(&hdq_data->hdq_mutex);
return -EBUSY;
}
diff --git a/drivers/w1/masters/w1-gpio.c b/drivers/w1/masters/w1-gpio.c
index a411702413d..6f8866d6a90 100644
--- a/drivers/w1/masters/w1-gpio.c
+++ b/drivers/w1/masters/w1-gpio.c
@@ -74,6 +74,9 @@ static int __init w1_gpio_probe(struct platform_device *pdev)
if (err)
goto free_gpio;
+ if (pdata->enable_external_pullup)
+ pdata->enable_external_pullup(1);
+
platform_set_drvdata(pdev, master);
return 0;
@@ -91,6 +94,9 @@ static int __exit w1_gpio_remove(struct platform_device *pdev)
struct w1_bus_master *master = platform_get_drvdata(pdev);
struct w1_gpio_platform_data *pdata = pdev->dev.platform_data;
+ if (pdata->enable_external_pullup)
+ pdata->enable_external_pullup(0);
+
w1_remove_master_device(master);
gpio_free(pdata->pin);
kfree(master);
@@ -98,12 +104,41 @@ static int __exit w1_gpio_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM
+
+static int w1_gpio_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct w1_gpio_platform_data *pdata = pdev->dev.platform_data;
+
+ if (pdata->enable_external_pullup)
+ pdata->enable_external_pullup(0);
+
+ return 0;
+}
+
+static int w1_gpio_resume(struct platform_device *pdev)
+{
+ struct w1_gpio_platform_data *pdata = pdev->dev.platform_data;
+
+ if (pdata->enable_external_pullup)
+ pdata->enable_external_pullup(1);
+
+ return 0;
+}
+
+#else
+#define w1_gpio_suspend NULL
+#define w1_gpio_resume NULL
+#endif
+
static struct platform_driver w1_gpio_driver = {
.driver = {
.name = "w1-gpio",
.owner = THIS_MODULE,
},
.remove = __exit_p(w1_gpio_remove),
+ .suspend = w1_gpio_suspend,
+ .resume = w1_gpio_resume,
};
static int __init w1_gpio_init(void)