Re: [PATCH] clk: ti: dra7-atl-clock: Fix of_node reference counting

From: Nishanth Menon
Date: Fri Mar 11 2016 - 15:19:37 EST


On 03/11/2016 08:13 AM, Peter Ujfalusi wrote:
> of_find_node_by_name() will call of_node_put() on the node so we need to
> get it first to avoid warnings.
> The cfg_node needs to be put after we have finished processing the
> properties.
>
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> ---
> drivers/clk/ti/clk-dra7-atl.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/clk/ti/clk-dra7-atl.c b/drivers/clk/ti/clk-dra7-atl.c
> index 2e14dfb588f4..c77333230bdf 100644
> --- a/drivers/clk/ti/clk-dra7-atl.c
> +++ b/drivers/clk/ti/clk-dra7-atl.c
> @@ -265,6 +265,7 @@ static int of_dra7_atl_clk_probe(struct platform_device *pdev)
>
> /* Get configuration for the ATL instances */
> snprintf(prop, sizeof(prop), "atl%u", i);
> + of_node_get(node);
> cfg_node = of_find_node_by_name(node, prop);
> if (cfg_node) {
> ret = of_property_read_u32(cfg_node, "bws",
> @@ -278,6 +279,7 @@ static int of_dra7_atl_clk_probe(struct platform_device *pdev)
> atl_write(cinfo, DRA7_ATL_AWSMUX_REG(i),
> cdesc->aws);
> }
> + of_node_put(cfg_node);
> }
>
> cdesc->probed = true;
>

Tested-by: Nishanth Menon <nm@xxxxxx>

--
Regards,
Nishanth Menon