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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: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
hifive-unleashed-5.1
Wolfram Sang 2018-04-29 20:41:04 +02:00 committed by Wolfram Sang
parent e6faa71034
commit 77bade677c
3 changed files with 0 additions and 14 deletions
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1
drivers/i2c/busses/i2c-hix5hd2.c
View File

@ -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);

2
drivers/i2c/busses/i2c-nomadik.c
View File

@ -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");

11
drivers/i2c/busses/i2c-sh_mobile.c
View File

@ -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);