Hi Wolfram Sang wrote:
>
> From: Wolfram Sang <[email protected]>
>
> Reported-by: Kuninori Morimoto <[email protected]>
> Signed-off-by: Wolfram Sang <[email protected]>
> ---
Please add explain why this patch is needed, and what happen
without this patch.
And my previous patch didn't explain this, but please add
93c659d820ef291f6ca5e628f44b26cfb2226aba
was cause of this issue.
> drivers/i2c/busses/i2c-rcar.c | 13 +++++++++----
> 1 file changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
> index 616433d387cdb2..58dbd30c24d1cc 100644
> --- a/drivers/i2c/busses/i2c-rcar.c
> +++ b/drivers/i2c/busses/i2c-rcar.c
> @@ -612,7 +612,10 @@ static int rcar_i2c_probe(struct platform_device *pdev)
> if (IS_ERR(priv->io))
> return PTR_ERR(priv->io);
>
> + pm_runtime_enable(dev);
> + pm_runtime_get_sync(dev);
> rcar_i2c_init(priv);
> + pm_runtime_put(dev);
>
> irq = platform_get_irq(pdev, 0);
> init_waitqueue_head(&priv->wait);
> @@ -631,22 +634,24 @@ static int rcar_i2c_probe(struct platform_device *pdev)
> dev_name(dev), priv);
> if (ret < 0) {
> dev_err(dev, "cannot get irq %d\n", irq);
> - return ret;
> + goto out_pm_disable;
> }
>
> - pm_runtime_enable(dev);
> platform_set_drvdata(pdev, priv);
>
> ret = i2c_add_numbered_adapter(adap);
> if (ret < 0) {
> dev_err(dev, "reg adap failed: %d\n", ret);
> - pm_runtime_disable(dev);
> - return ret;
> + goto out_pm_disable;
> }
>
> dev_info(dev, "probed\n");
>
> return 0;
> +
> + out_pm_disable:
> + pm_runtime_disable(dev);
> + return ret;
> }
>
> static int rcar_i2c_remove(struct platform_device *pdev)
> --
> 2.1.4
>
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