Hello guys,
Any news on this fix ? Anything else you need on my side ?
Thanks
On 15/12/2017 14:40, Loys Ollivier wrote:
> When using other platform architectures, in the init of the qcom_scm
> driver, of_node_put is called on /firmware if no qcom dt is found.
> This results in a kernel error: Bad of_node_put() on /firmware.
>
> These calls to of_node_put from the qcom_scm init are unnecessary as
> of_find_matching_node and of_platform_populate are calling it
> automatically.
>
> Remove the calls to of_node_put() on fw_np.
>
> Fixes: d0f6fa7ba2d6 ("firmware: qcom: scm: Convert SCM to platform driver")
> Suggested-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
> Signed-off-by: Loys Ollivier <lollivier@xxxxxxxxxxxx>
> ---
> drivers/firmware/qcom_scm.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
> index af4c75217ea6..f6d7b7cffe0c 100644
> --- a/drivers/firmware/qcom_scm.c
> +++ b/drivers/firmware/qcom_scm.c
> @@ -632,17 +632,13 @@ static int __init qcom_scm_init(void)
>
> np = of_find_matching_node(fw_np, qcom_scm_dt_match);
>
> - if (!np) {
> - of_node_put(fw_np);
> + if (!np)
> return -ENODEV;
> - }
>
> of_node_put(np);
>
> ret = of_platform_populate(fw_np, qcom_scm_dt_match, NULL, NULL);
>
> - of_node_put(fw_np);
> -
> if (ret)
> return ret;
>
>
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