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SubjectRe: [PATCH v5 4/4] net: stmmac: Update the name of property 'clk_csr'
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Il 23/09/22 07:28, Jianguo Zhang ha scritto:
> Update the name of property 'clk_csr' as 'snps,clk-csr' to align with
> the property name in the binding file.
>
> Signed-off-by: Jianguo Zhang <jianguo.zhang@mediatek.com>
> ---
> drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> index 9f5cac4000da..18f9952d667f 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> @@ -444,7 +444,7 @@ stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac)
> * or get clk_csr from device tree.
> */
> plat->clk_csr = -1;
> - of_property_read_u32(np, "clk_csr", &plat->clk_csr);
> + of_property_read_u32(np, "snps,clk-csr", &plat->clk_csr);

This is going to break MT2712e on old devicetrees.

The right way of doing that is to check the return value of of_property_read_u32()
for "snps,clk-csr": if the property is not found, fall back to the old "clk_csr".

Regards,
Angelo

>
> /* "snps,phy-addr" is not a standard property. Mark it as deprecated
> * and warn of its use. Remove this when phy node support is added.


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