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-rw-r--r--drivers/i2c/busses/i2c-imx.c4
-rw-r--r--drivers/i2c/busses/i2c-stm32f7.c2
-rw-r--r--drivers/i2c/busses/i2c-synquacer.c2
-rw-r--r--drivers/i2c/i2c-core-base.c4
4 files changed, 9 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index fa9ad53845d9..d4b72e4ffd71 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -510,9 +510,9 @@ static int i2c_imx_clk_notifier_call(struct notifier_block *nb,
unsigned long action, void *data)
{
struct clk_notifier_data *ndata = data;
- struct imx_i2c_struct *i2c_imx = container_of(&ndata->clk,
+ struct imx_i2c_struct *i2c_imx = container_of(nb,
struct imx_i2c_struct,
- clk);
+ clk_change_nb);
if (action & POST_RATE_CHANGE)
i2c_imx_set_clk(i2c_imx, ndata->new_rate);
diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index 13e1213561d4..4284fc991cfd 100644
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -432,7 +432,7 @@ static int stm32f7_i2c_compute_timing(struct stm32f7_i2c_dev *i2c_dev,
STM32F7_I2C_ANALOG_FILTER_DELAY_MAX : 0);
dnf_delay = setup->dnf * i2cclk;
- sdadel_min = setup->fall_time - i2c_specs[setup->speed].hddat_min -
+ sdadel_min = i2c_specs[setup->speed].hddat_min + setup->fall_time -
af_delay_min - (setup->dnf + 3) * i2cclk;
sdadel_max = i2c_specs[setup->speed].vddat_max - setup->rise_time -
diff --git a/drivers/i2c/busses/i2c-synquacer.c b/drivers/i2c/busses/i2c-synquacer.c
index 2184b7c3580e..6b8d803bd30e 100644
--- a/drivers/i2c/busses/i2c-synquacer.c
+++ b/drivers/i2c/busses/i2c-synquacer.c
@@ -602,6 +602,8 @@ static int synquacer_i2c_probe(struct platform_device *pdev)
i2c->adapter = synquacer_i2c_ops;
i2c_set_adapdata(&i2c->adapter, i2c);
i2c->adapter.dev.parent = &pdev->dev;
+ i2c->adapter.dev.of_node = pdev->dev.of_node;
+ ACPI_COMPANION_SET(&i2c->adapter.dev, ACPI_COMPANION(&pdev->dev));
i2c->adapter.nr = pdev->id;
init_completion(&i2c->completion);
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index af87a16ac3a5..60fb2afc0e50 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;
}