4.2-stable review patch. If anyone has any objections, please let me know.
------------------
From: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
commit 36d48fb5766aee9717e429f772046696b215282d upstream.
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@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Wolfram Sang <wsa@xxxxxxxxxxxxx>
Acked-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/i2c/busses/i2c-designware-platdrv.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -273,12 +273,6 @@ static int dw_i2c_probe(struct platform_
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 {
@@ -288,6 +282,13 @@ static int dw_i2c_probe(struct platform_
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;
}
--
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