Hi,
On Tuesday 03 July 2018 04:41 PM, Faiz Abbas wrote:
> pm_runtime_get_sync() returns a 1 if the state of the device is already
> 'active'. This is not a failure case and should return a success.
>
> Therefore fix error handling for pm_runtime_get_sync() call such that
> it returns success when the value is 1.
>
> Also cleanup the TODO for using runtime PM for sleep mode as that is
> implemented.
>
> Signed-off-by: Faiz Abbas <faiz_abbas@xxxxxx>
> ---
>
> Changes in v2:
>
> rebased to latest mainline
>
> drivers/net/can/m_can/m_can.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
> index b397a33f3d32..ac4c6dc2f8c8 100644
> --- a/drivers/net/can/m_can/m_can.c
> +++ b/drivers/net/can/m_can/m_can.c
> @@ -634,10 +634,12 @@ static int m_can_clk_start(struct m_can_priv *priv)
> int err;
>
> err = pm_runtime_get_sync(priv->device);
> - if (err)
> + if (err < 0) {
> pm_runtime_put_noidle(priv->device);
> + return err;
> + }
>
> - return err;
> + return 0;
> }
>
> static void m_can_clk_stop(struct m_can_priv *priv)
> @@ -1687,8 +1689,6 @@ static int m_can_plat_probe(struct platform_device *pdev)
> return ret;
> }
>
> -/* TODO: runtime PM with power down or sleep mode */
> -
> static __maybe_unused int m_can_suspend(struct device *dev)
> {
> struct net_device *ndev = dev_get_drvdata(dev);
>
Gentle ping.
Thanks,
Faiz
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