Re: [PATCH] arm: pm: call put_device instead of of_node_put in at91_pm_config_ws

From: zhong jiang
Date: Thu Aug 23 2018 - 07:44:46 EST


Hi, alexandre

Can you pick up the patch? Thanks

Best wishes,
zhong jiang

On 2018/8/16 18:26, zhong jiang wrote:
> of_find_device_by_node takes a reference to the struct device when it
> finds a match via get_device. but it fails to put_device in
> at91_pm_config_ws, for_each_matching_node_and_match will get and put
> the node properly, there is no need to call the of_put_node. Therefore,
> just call put_device instead of of_node_put in at91_pm_config_ws.
>
> Fixes: d7484f5c6b3b ("ARM: at91: pm: configure wakeup sources for ULP1 mode")
> Suggested-by: Claudiu Beznea <Claudiu.Beznea@xxxxxxxxxxxxx>
> Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
> ---
> arch/arm/mach-at91/pm.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
> index 32fae4d..6574f00 100644
> --- a/arch/arm/mach-at91/pm.c
> +++ b/arch/arm/mach-at91/pm.c
> @@ -143,15 +143,15 @@ static int at91_pm_config_ws(unsigned int pm_mode, bool set)
>
> /* Check if enabled on SHDWC. */
> if (wsi->shdwc_mr_bit && !(val & wsi->shdwc_mr_bit))
> - goto put_node;
> + goto put_device;
>
> mode |= wsi->pmc_fsmr_bit;
> if (wsi->set_polarity)
> polarity |= wsi->pmc_fsmr_bit;
> }
>
> -put_node:
> - of_node_put(np);
> +put_device:
> + put_device(&pdev->dev);
> }
>
> if (mode) {