Merge tag 'media/v4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull media updates from Mauro Carvalho Chehab:

 - Documentation improvements: conversion of all non-DocBook documents
   to Sphinx and lots of fixes to the uAPI media book

 - New PCI driver for Techwell TW5864 media grabber boards

 - New SoC driver for ATMEL Image Sensor Controller

 - Removal of some obsolete SoC drivers (s5p-tv driver and soc_camera
   drivers)

 - Addition of ST CEC driver

 - Lots of drivers fixes, improvements and additions

* tag 'media/v4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (464 commits)
  [media] ttusb_dec: avoid the risk of go past buffer
  [media] cx23885: Fix some smatch warnings
  [media] si2165: switch to regmap
  [media] si2165: use i2c_client->dev instead of i2c_adapter->dev for logging
  [media] si2165: Remove legacy attach
  [media] cx231xx: attach si2165 driver via i2c_client
  [media] cx231xx: Prepare for attaching new style i2c_client DVB demod drivers
  [media] cx23885: attach si2165 driver via i2c_client
  [media] si2165: support i2c_client attach
  [media] si2165: avoid division by zero
  [media] rcar-vin: add R-Car gen2 fallback compatibility string
  [media] lgdt3306a: remove 20*50 msec unnecessary timeout
  [media] cx25821: Remove deprecated create_singlethread_workqueue
  [media] cx25821: Drop Freeing of Workqueue
  [media] cxd2841er: force 8MHz bandwidth for DVB-C if specified bw not supported
  [media] redrat3: hardware-specific parameters
  [media] redrat3: remove hw_timeout member
  [media] cxd2841er: BER and SNR reading for ISDB-T
  [media] dvb-usb: avoid link error with dib3000m{b,c|
  [media] dvb-usb: split out common parts of dibusb
  ...

1 files changed, 17 insertions, 10 deletions

diff --git a/drivers/media/platform/exynos4-is/fimc-is-i2c.c b/drivers/media/platform/exynos4-is/fimc-is-i2c.c
index 7521aa59b064..6bba4ca022be 100644
--- a/drivers/media/platform/exynos4-is/fimc-is-i2c.c
+++ b/drivers/media/platform/exynos4-is/fimc-is-i2c.c
@@ -55,26 +55,33 @@ static int fimc_is_i2c_probe(struct platform_device *pdev)
 	i2c_adap->algo = &fimc_is_i2c_algorithm;
 	i2c_adap->class = I2C_CLASS_SPD;
 
-	ret = i2c_add_adapter(i2c_adap);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "failed to add I2C bus %s\n",
-						node->full_name);
-		return ret;
-	}
-
 	platform_set_drvdata(pdev, isp_i2c);
-
 	pm_runtime_enable(&pdev->dev);
-	pm_runtime_enable(&i2c_adap->dev);
 
+	ret = i2c_add_adapter(i2c_adap);
+	if (ret < 0)
+		goto err_pm_dis;
+	/*
+	 * Client drivers of this adapter don't do any I2C transfers as that
+	 * is handled by the ISP firmware.  But we rely on the runtime PM
+	 * state propagation from the clients up to the adapter driver so
+	 * clear the ignore_children flags here.  PM rutnime calls are not
+	 * used in probe() handler of clients of this adapter so there is
+	 * no issues with clearing the flag right after registering the I2C
+	 * adapter.
+	 */
+	pm_suspend_ignore_children(&i2c_adap->dev, false);
 	return 0;
+
+err_pm_dis:
+	pm_runtime_disable(&pdev->dev);
+	return ret;
 }
 
 static int fimc_is_i2c_remove(struct platform_device *pdev)
 {
 	struct fimc_is_i2c *isp_i2c = platform_get_drvdata(pdev);
 
-	pm_runtime_disable(&isp_i2c->adapter.dev);
 	pm_runtime_disable(&pdev->dev);
 	i2c_del_adapter(&isp_i2c->adapter);