diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-03 11:42:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-03 11:42:01 -0700 |
| commit | 82463436a7fa40345c6febf0baa4c954af506ca6 (patch) | |
| tree | 8fcb00eda7f80c6860e4ca691468fb6d98144373 /drivers/i2c/i2c-core-base.c | |
| parent | a4ccb5f9dc6c4fb4d4c0a9d73a911986f20ec88a (diff) | |
| parent | 72bfcee11cf89509795c56b0e40a3785ab00bbdd (diff) | |
Merge branch 'i2c/for-current-fixed' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"I2C driver bugfixes and a MAINTAINERS update for you"
* 'i2c/for-current-fixed' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: Prevent runtime suspend of adapter when Host Notify is required
i2c: synquacer: fix enumeration of slave devices
MAINTAINERS: friendly takeover of i2c-gpio driver
i2c: designware: ratelimit 'transfer when suspended' errors
i2c: imx: correct the method of getting private data in notifier_call
Diffstat (limited to 'drivers/i2c/i2c-core-base.c')
| -rw-r--r-- | drivers/i2c/i2c-core-base.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index c480ca385ffb..688aa3b5f3ac 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -327,6 +327,8 @@ static int i2c_device_probe(struct device *dev) if (client->flags & I2C_CLIENT_HOST_NOTIFY) { dev_dbg(dev, "Using Host Notify IRQ\n"); + /* Keep adapter active when Host Notify is required */ + pm_runtime_get_sync(&client->adapter->dev); irq = i2c_smbus_host_notify_to_irq(client); } else if (dev->of_node) { irq = of_irq_get_byname(dev->of_node, "irq"); @@ -431,6 +433,8 @@ static int i2c_device_remove(struct device *dev) device_init_wakeup(&client->dev, false); client->irq = client->init_irq; + if (client->flags & I2C_CLIENT_HOST_NOTIFY) + pm_runtime_put(&client->adapter->dev); return status; } |