Re: [PATCH V2 2/2] soc: imx8: Use existing of_root directly
From: Shawn Guo
Date: Tue Jun 18 2019 - 05:20:41 EST
On Fri, Jun 14, 2019 at 04:07:48PM +0800, Anson.Huang@xxxxxxx wrote:
> From: Anson Huang <Anson.Huang@xxxxxxx>
>
> There is common of_root for reference, no need to find it
> from DT again, use of_root directly to make driver simple.
>
> Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
> Reviewed-by: Dong Aisheng <aisheng.dong@xxxxxxx>
It cannot be applied. Please resend by basing on my imx/drivers branch.
Shawn
> ---
> No changes.
> ---
> drivers/soc/imx/soc-imx8.c | 9 ++-------
> 1 file changed, 2 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/soc/imx/soc-imx8.c b/drivers/soc/imx/soc-imx8.c
> index 5c7f330..b459bf2 100644
> --- a/drivers/soc/imx/soc-imx8.c
> +++ b/drivers/soc/imx/soc-imx8.c
> @@ -105,7 +105,6 @@ static int __init imx8_soc_init(void)
> {
> struct soc_device_attribute *soc_dev_attr;
> struct soc_device *soc_dev;
> - struct device_node *root;
> const struct of_device_id *id;
> u32 soc_rev = 0;
> const struct imx8_soc_data *data;
> @@ -117,12 +116,11 @@ static int __init imx8_soc_init(void)
>
> soc_dev_attr->family = "Freescale i.MX";
>
> - root = of_find_node_by_path("/");
> - ret = of_property_read_string(root, "model", &soc_dev_attr->machine);
> + ret = of_property_read_string(of_root, "model", &soc_dev_attr->machine);
> if (ret)
> goto free_soc;
>
> - id = of_match_node(imx8_soc_match, root);
> + id = of_match_node(imx8_soc_match, of_root);
> if (!id) {
> ret = -ENODEV;
> goto free_soc;
> @@ -147,8 +145,6 @@ static int __init imx8_soc_init(void)
> goto free_rev;
> }
>
> - of_node_put(root);
> -
> if (IS_ENABLED(CONFIG_ARM_IMX_CPUFREQ_DT))
> platform_device_register_simple("imx-cpufreq-dt", -1, NULL, 0);
>
> @@ -159,7 +155,6 @@ static int __init imx8_soc_init(void)
> kfree(soc_dev_attr->revision);
> free_soc:
> kfree(soc_dev_attr);
> - of_node_put(root);
> return ret;
> }
> device_initcall(imx8_soc_init);
> --
> 2.7.4
>