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Commit 77bade67 authored by Wolfram Sang's avatar Wolfram Sang Committed by Wolfram Sang
Browse files

i2c: busses: remove superfluous ignoring of children for RPM 



These days, the I2C core ensures that the embedded adapter device
ignores the PM states of its children already. Because the adapter
device is an opaque logical device, there is no need for drivers to
repeat that again.

Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent e6faa710

drivers/i2c/busses/i2c-hix5hd2.c

+0 −1
Original line number Diff line number Diff line
@@ -471,7 +471,6 @@ static int hix5hd2_i2c_probe(struct platform_device *pdev) 
		goto err_clk;

	}



	pm_suspend_ignore_children(&pdev->dev, true);

	pm_runtime_set_autosuspend_delay(priv->dev, MSEC_PER_SEC);

	pm_runtime_use_autosuspend(priv->dev);

	pm_runtime_set_active(priv->dev);

drivers/i2c/busses/i2c-nomadik.c

+0 −2
Original line number Diff line number Diff line
@@ -1012,8 +1012,6 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id) 
		goto err_no_mem;

	}



	pm_suspend_ignore_children(&adev->dev, true);



	dev->clk = devm_clk_get(&adev->dev, NULL);

	if (IS_ERR(dev->clk)) {

		dev_err(&adev->dev, "could not get i2c clock\n");

drivers/i2c/busses/i2c-sh_mobile.c

+0 −11
Original line number Diff line number Diff line
@@ -899,17 +899,6 @@ static int sh_mobile_i2c_probe(struct platform_device *dev) 
	if (resource_size(res) > 0x17)

		pd->flags |= IIC_FLAG_HAS_ICIC67;



	/* Enable Runtime PM for this device.

	 *

	 * Also tell the Runtime PM core to ignore children

	 * for this device since it is valid for us to suspend

	 * this I2C master driver even though the slave devices

	 * on the I2C bus may not be suspended.

	 *

	 * The state of the I2C hardware bus is unaffected by

	 * the Runtime PM state.

	 */

	pm_suspend_ignore_children(&dev->dev, true);

	pm_runtime_enable(&dev->dev);

	pm_runtime_get_sync(&dev->dev);