Messages in this thread Patch in this message | | | From | Wolfram Sang <> | Subject | [PATCH 1/4] i2c: designware-platdrv: enable RuntimePM before registering to the core | Date | Fri, 9 Oct 2015 07:54:50 +0100 |
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From: Wolfram Sang <wsa+renesas@sang-engineering.com>
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> ---
Not tested on HW. Found by code review.
drivers/i2c/busses/i2c-designware-platdrv.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 3dd2de31a2f8d3..920d35ab5cd5d1 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -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 +262,12 @@ 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"); + return r; + } + return 0; } -- 2.1.4
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