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authorWolfram Sang <wsa+renesas@sang-engineering.com>2015-10-09 10:39:24 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-10-27 09:51:56 +0900
commit90e210c2de3e70d92f1b77b707714f0ad5bd4540 (patch)
treee6473cfb9c5dd9a733e5e0ce9d8c5ee673492e45 /drivers
parent67e6df4ba36ac3f15a229a7aab69349e6b82cf10 (diff)
i2c: designware-platdrv: enable RuntimePM before registering to the core
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@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/i2c/busses/i2c-designware-platdrv.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 834ddace0cee..3f7d4876937e 100644
--- 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_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 {
@@ -288,6 +282,13 @@ 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;
}