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i2c: designware-platdrv: enable RuntimePM before registering to the core

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The core may register clients attached to this master which may use
funtionality from the master. So, RuntimePM must be enabled before, otherwise
this will fail.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: stable@kernel.org
This commit is contained in:
Wolfram Sang 2015-10-09 10:39:24 +01:00 committed by Wolfram Sang
parent eadd709f5d
commit 36d48fb576
1 changed files with 7 additions and 6 deletions
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13
drivers/i2c/busses/i2c-designware-platdrv.c
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@ -253,12 +253,6 @@ static int dw_i2c_probe(struct platform_device *pdev)
adap->dev.parent = &pdev->dev;
adap->dev.of_node = pdev->dev.of_node;
r = i2c_add_numbered_adapter(adap);
if (r) {
dev_err(&pdev->dev, "failure adding adapter\n");
return r;
}
if (dev->pm_runtime_disabled) {
pm_runtime_forbid(&pdev->dev);
} else {
@ -268,6 +262,13 @@ static int dw_i2c_probe(struct platform_device *pdev)
pm_runtime_enable(&pdev->dev);
}
r = i2c_add_numbered_adapter(adap);
if (r) {
dev_err(&pdev->dev, "failure adding adapter\n");
pm_runtime_disable(&pdev->dev);
return r;
}
return 0;
}