Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

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

Browse source 
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
Show stats Download patch file Download diff file Expand all files Collapse all files

13
drivers/i2c/busses/i2c-designware-platdrv.c
View file

@ -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;
}